./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/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_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/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_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/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 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:13:35,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:13:35,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 19:13:35,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:13:35,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:13:35,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:13:35,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:13:35,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:13:35,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:13:35,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:13:35,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:13:35,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:13:35,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:13:35,296 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 19:13:35,298 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 19:13:35,299 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 19:13:35,301 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 19:13:35,301 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 19:13:35,302 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 19:13:35,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:13:35,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 19:13:35,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:13:35,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:13:35,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:13:35,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:13:35,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 19:13:35,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 19:13:35,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 19:13:35,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:13:35,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:13:35,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:13:35,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:13:35,314 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 19:13:35,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:13:35,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:13:35,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:13:35,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:13:35,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:13:35,316 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 19:13:35,317 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_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2024-11-08 19:13:35,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:13:35,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:13:35,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:13:35,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:13:35,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:13:35,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c Unable to find full path for "g++" [2024-11-08 19:13:37,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:13:38,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:13:38,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2024-11-08 19:13:38,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/data/71178297e/5dec6486f7034aa69da16a62cae3f722/FLAG3a6430344 [2024-11-08 19:13:38,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/data/71178297e/5dec6486f7034aa69da16a62cae3f722 [2024-11-08 19:13:38,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:13:38,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:13:38,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:13:38,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:13:38,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:13:38,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:13:38" (1/1) ... [2024-11-08 19:13:38,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5425770e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:38, skipping insertion in model container [2024-11-08 19:13:38,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:13:38" (1/1) ... [2024-11-08 19:13:38,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:13:39,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:13:39,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:13:39,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-08 19:13:39,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [266] [2024-11-08 19:13:39,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338] [2024-11-08 19:13:39,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] [2024-11-08 19:13:39,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [755] [2024-11-08 19:13:39,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [855] [2024-11-08 19:13:39,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [864] [2024-11-08 19:13:39,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [899] [2024-11-08 19:13:39,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:13:39,246 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:13:39,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39 WrapperNode [2024-11-08 19:13:39,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:13:39,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:13:39,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:13:39,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:13:39,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,337 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 90, statements flattened = 579 [2024-11-08 19:13:39,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:13:39,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:13:39,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:13:39,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:13:39,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,388 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 19:13:39,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:13:39,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:13:39,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:13:39,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:13:39,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (1/1) ... [2024-11-08 19:13:39,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:13:39,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:13:39,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:13:39,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 19:13:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:13:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:13:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:13:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:13:39,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:13:39,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:13:40,319 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-08 19:13:40,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:13:40,343 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:13:40,344 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:13:40,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:13:40 BoogieIcfgContainer [2024-11-08 19:13:40,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:13:40,346 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 19:13:40,347 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 19:13:40,351 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 19:13:40,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:13:40,353 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 07:13:38" (1/3) ... [2024-11-08 19:13:40,355 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a3981c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:13:40, skipping insertion in model container [2024-11-08 19:13:40,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:13:40,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:39" (2/3) ... [2024-11-08 19:13:40,357 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a3981c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:13:40, skipping insertion in model container [2024-11-08 19:13:40,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:13:40,358 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:13:40" (3/3) ... [2024-11-08 19:13:40,360 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2024-11-08 19:13:40,430 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 19:13:40,430 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 19:13:40,431 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 19:13:40,431 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 19:13:40,431 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 19:13:40,431 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 19:13:40,431 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 19:13:40,432 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 19:13:40,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 174 states, 173 states have (on average 1.3583815028901733) internal successors, (235), 173 states have internal predecessors, (235), 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 19:13:40,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2024-11-08 19:13:40,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:13:40,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:13:40,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:40,482 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] [2024-11-08 19:13:40,482 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 19:13:40,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 174 states, 173 states have (on average 1.3583815028901733) internal successors, (235), 173 states have internal predecessors, (235), 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 19:13:40,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2024-11-08 19:13:40,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:13:40,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:13:40,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:40,506 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] [2024-11-08 19:13:40,519 INFO L745 eck$LassoCheckResult]: Stem: 34#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 138#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 110#valid_product_returnLabel#1true main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 61#L842true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 91#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 158#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 140#L280-2true [2024-11-08 19:13:40,520 INFO L747 eck$LassoCheckResult]: Loop: 140#L280-2true assume !false; 19#L281true assume test_~splverifierCounter~0#1 < 4; 8#L282true havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 172#L290true assume !(0 != test_~tmp~3#1); 136#L290-2true havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 84#L300true assume !(0 != test_~tmp___0~1#1); 137#L300-2true havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 95#L310true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 64#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 162#L318-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 151#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1; 101#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 126#L73true assume !(0 != ~pumpRunning~0); 35#L73-2true assume !(0 != ~systemActive~0); 152#L80-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 78#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 120#L734true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 36#L734-1true havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 79#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 140#L280-2true [2024-11-08 19:13:40,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:40,530 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 19:13:40,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:40,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473185252] [2024-11-08 19:13:40,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:40,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:40,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:40,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:13:40,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:40,762 INFO L85 PathProgramCache]: Analyzing trace with hash 933441804, now seen corresponding path program 1 times [2024-11-08 19:13:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:40,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138386643] [2024-11-08 19:13:40,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:40,957 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 19:13:40,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:13:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138386643] [2024-11-08 19:13:40,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138386643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:13:40,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:13:40,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:13:40,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33115102] [2024-11-08 19:13:40,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:13:40,966 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:13:40,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:13:41,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:13:41,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:13:41,014 INFO L87 Difference]: Start difference. First operand has 174 states, 173 states have (on average 1.3583815028901733) internal successors, (235), 173 states have internal predecessors, (235), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19:13:41,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:13:41,110 INFO L93 Difference]: Finished difference Result 326 states and 430 transitions. [2024-11-08 19:13:41,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 326 states and 430 transitions. [2024-11-08 19:13:41,131 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 212 [2024-11-08 19:13:41,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 326 states to 306 states and 409 transitions. [2024-11-08 19:13:41,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2024-11-08 19:13:41,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2024-11-08 19:13:41,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 409 transitions. [2024-11-08 19:13:41,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:13:41,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 409 transitions. [2024-11-08 19:13:41,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 409 transitions. [2024-11-08 19:13:41,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 303. [2024-11-08 19:13:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 302 states have internal predecessors, (405), 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 19:13:41,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 405 transitions. [2024-11-08 19:13:41,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 303 states and 405 transitions. [2024-11-08 19:13:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:13:41,248 INFO L425 stractBuchiCegarLoop]: Abstraction has 303 states and 405 transitions. [2024-11-08 19:13:41,250 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 19:13:41,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 405 transitions. [2024-11-08 19:13:41,255 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2024-11-08 19:13:41,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:13:41,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:13:41,259 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:41,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:41,262 INFO L745 eck$LassoCheckResult]: Stem: 560#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 556#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 557#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 652#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 596#L842 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 597#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 633#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 622#L280-2 [2024-11-08 19:13:41,262 INFO L747 eck$LassoCheckResult]: Loop: 622#L280-2 assume !false; 706#L281 assume test_~splverifierCounter~0#1 < 4; 703#L282 havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 696#L290 assume !(0 != test_~tmp~3#1); 694#L290-2 havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 693#L300 assume !(0 != test_~tmp___0~1#1); 692#L300-2 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 691#L310 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet19#1;test_~tmp___1~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 690#L318 assume !(0 != test_~tmp___1~0#1); 601#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 676#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1; 643#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 644#L73 assume !(0 != ~pumpRunning~0); 562#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 563#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 579#L105-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 509#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 510#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 617#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 653#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 620#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 621#L734 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 517#L734-1 havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 564#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 622#L280-2 [2024-11-08 19:13:41,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:41,263 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 19:13:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:41,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334736213] [2024-11-08 19:13:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:41,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:41,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:13:41,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:41,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1012252655, now seen corresponding path program 1 times [2024-11-08 19:13:41,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:41,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155278391] [2024-11-08 19:13:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:41,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:41,414 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 19:13:41,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:13:41,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155278391] [2024-11-08 19:13:41,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155278391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:13:41,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:13:41,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:13:41,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922668051] [2024-11-08 19:13:41,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:13:41,419 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:13:41,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:13:41,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:13:41,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:13:41,422 INFO L87 Difference]: Start difference. First operand 303 states and 405 transitions. cyclomatic complexity: 105 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 19:13:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:13:41,606 INFO L93 Difference]: Finished difference Result 433 states and 558 transitions. [2024-11-08 19:13:41,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 433 states and 558 transitions. [2024-11-08 19:13:41,611 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 307 [2024-11-08 19:13:41,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 433 states to 433 states and 558 transitions. [2024-11-08 19:13:41,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 433 [2024-11-08 19:13:41,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 433 [2024-11-08 19:13:41,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 433 states and 558 transitions. [2024-11-08 19:13:41,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:13:41,619 INFO L218 hiAutomatonCegarLoop]: Abstraction has 433 states and 558 transitions. [2024-11-08 19:13:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states and 558 transitions. [2024-11-08 19:13:41,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2024-11-08 19:13:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 433 states have (on average 1.2886836027713626) internal successors, (558), 432 states have internal predecessors, (558), 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 19:13:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 558 transitions. [2024-11-08 19:13:41,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 433 states and 558 transitions. [2024-11-08 19:13:41,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:13:41,642 INFO L425 stractBuchiCegarLoop]: Abstraction has 433 states and 558 transitions. [2024-11-08 19:13:41,642 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 19:13:41,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states and 558 transitions. [2024-11-08 19:13:41,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 307 [2024-11-08 19:13:41,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:13:41,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:13:41,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:41,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:41,647 INFO L745 eck$LassoCheckResult]: Stem: 1304#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1300#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1301#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1410#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 1342#L842 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1343#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1383#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1370#L280-2 [2024-11-08 19:13:41,648 INFO L747 eck$LassoCheckResult]: Loop: 1370#L280-2 assume !false; 1279#L281 assume test_~splverifierCounter~0#1 < 4; 1280#L282 havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 1465#L290 assume !(0 != test_~tmp~3#1); 1299#L290-2 havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1376#L300 assume !(0 != test_~tmp___0~1#1); 1378#L300-2 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1436#L310 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1347#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1348#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1547#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1; 1548#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1544#L73 assume !(0 != ~pumpRunning~0); 1543#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1542#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1540#L105-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1539#L983-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1538#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1312#L233-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1313#L233-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1326#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1533#L109-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1314#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1315#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1411#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1412#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1367#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 1368#L734 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 1563#L734-1 havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1369#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1370#L280-2 [2024-11-08 19:13:41,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:41,649 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 19:13:41,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:41,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75388520] [2024-11-08 19:13:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:41,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:41,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:13:41,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:41,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1859650901, now seen corresponding path program 1 times [2024-11-08 19:13:41,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:41,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413538643] [2024-11-08 19:13:41,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:41,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:41,892 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 19:13:41,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:13:41,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413538643] [2024-11-08 19:13:41,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413538643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:13:41,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:13:41,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:13:41,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885504931] [2024-11-08 19:13:41,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:13:41,895 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:13:41,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:13:41,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:13:41,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:13:41,896 INFO L87 Difference]: Start difference. First operand 433 states and 558 transitions. cyclomatic complexity: 128 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 19:13:42,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:13:42,106 INFO L93 Difference]: Finished difference Result 854 states and 1076 transitions. [2024-11-08 19:13:42,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 854 states and 1076 transitions. [2024-11-08 19:13:42,114 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 610 [2024-11-08 19:13:42,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 854 states to 854 states and 1076 transitions. [2024-11-08 19:13:42,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 854 [2024-11-08 19:13:42,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 854 [2024-11-08 19:13:42,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 854 states and 1076 transitions. [2024-11-08 19:13:42,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:13:42,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 854 states and 1076 transitions. [2024-11-08 19:13:42,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states and 1076 transitions. [2024-11-08 19:13:42,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2024-11-08 19:13:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 854 states have (on average 1.259953161592506) internal successors, (1076), 853 states have internal predecessors, (1076), 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 19:13:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1076 transitions. [2024-11-08 19:13:42,151 INFO L240 hiAutomatonCegarLoop]: Abstraction has 854 states and 1076 transitions. [2024-11-08 19:13:42,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:13:42,152 INFO L425 stractBuchiCegarLoop]: Abstraction has 854 states and 1076 transitions. [2024-11-08 19:13:42,152 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 19:13:42,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 854 states and 1076 transitions. [2024-11-08 19:13:42,158 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 610 [2024-11-08 19:13:42,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:13:42,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:13:42,159 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:42,159 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:42,160 INFO L745 eck$LassoCheckResult]: Stem: 2598#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2599#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2595#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2596#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 2699#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 2635#L842 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2636#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2672#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2727#L280-2 [2024-11-08 19:13:42,160 INFO L747 eck$LassoCheckResult]: Loop: 2727#L280-2 assume !false; 2926#L281 assume test_~splverifierCounter~0#1 < 4; 2925#L282 havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 2924#L290 assume !(0 != test_~tmp~3#1); 2716#L290-2 havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 2667#L300 assume !(0 != test_~tmp___0~1#1); 2668#L300-2 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2715#L310 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2641#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2642#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2724#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1; 2685#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2686#L73 assume !(0 != ~pumpRunning~0); 2600#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2601#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 2917#L105-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 2859#L983-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 2857#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 2855#L233-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2853#L233-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2843#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 2839#L109-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2840#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2947#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2944#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 2942#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2939#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 2938#L734 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2934#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret45#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 2932#L738 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2928#L734-1 havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2927#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2727#L280-2 [2024-11-08 19:13:42,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 19:13:42,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:42,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358046006] [2024-11-08 19:13:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:42,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:42,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:13:42,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:42,196 INFO L85 PathProgramCache]: Analyzing trace with hash 397117840, now seen corresponding path program 1 times [2024-11-08 19:13:42,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:42,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689913337] [2024-11-08 19:13:42,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:42,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:42,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:42,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:13:42,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:42,216 INFO L85 PathProgramCache]: Analyzing trace with hash 993675385, now seen corresponding path program 1 times [2024-11-08 19:13:42,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:42,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028893264] [2024-11-08 19:13:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:13:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:42,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:42,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:13:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:43,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:13:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:13:43,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 07:13:43 BoogieIcfgContainer [2024-11-08 19:13:43,775 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 19:13:43,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:13:43,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:13:43,776 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:13:43,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:13:40" (3/4) ... [2024-11-08 19:13:43,783 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 19:13:43,872 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:13:43,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:13:43,873 INFO L158 Benchmark]: Toolchain (without parser) took 5337.52ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 107.1MB in the beginning and 102.3MB in the end (delta: 4.8MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,873 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:13:43,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.20ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 85.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.47ms. Allocated memory is still 146.8MB. Free memory was 85.1MB in the beginning and 81.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,875 INFO L158 Benchmark]: Boogie Preprocessor took 100.39ms. Allocated memory is still 146.8MB. Free memory was 81.6MB in the beginning and 78.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,875 INFO L158 Benchmark]: RCFGBuilder took 905.32ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 78.1MB in the beginning and 156.9MB in the end (delta: -78.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,876 INFO L158 Benchmark]: BuchiAutomizer took 3429.34ms. Allocated memory is still 205.5MB. Free memory was 156.9MB in the beginning and 105.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,877 INFO L158 Benchmark]: Witness Printer took 96.32ms. Allocated memory is still 205.5MB. Free memory was 105.5MB in the beginning and 102.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:13:43,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.20ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 85.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.47ms. Allocated memory is still 146.8MB. Free memory was 85.1MB in the beginning and 81.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.39ms. Allocated memory is still 146.8MB. Free memory was 81.6MB in the beginning and 78.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 905.32ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 78.1MB in the beginning and 156.9MB in the end (delta: -78.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3429.34ms. Allocated memory is still 205.5MB. Free memory was 156.9MB in the beginning and 105.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Witness Printer took 96.32ms. Allocated memory is still 205.5MB. Free memory was 105.5MB in the beginning and 102.3MB in the end (delta: 3.1MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 266]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [266] - GenericResultAtLocation [Line: 338]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338] - GenericResultAtLocation [Line: 704]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] - GenericResultAtLocation [Line: 755]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [755] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [855] - GenericResultAtLocation [Line: 864]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [864] - GenericResultAtLocation [Line: 899]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [899] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 854 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 538 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 538 mSDsluCounter, 1579 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 926 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 653 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 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: 280]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L707] int switchedOnBeforeTS ; [L756] int cleanupTimeShifts = 4; [L900] int waterLevel = 1; [L901] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L833] int retValue_acc ; [L834] int tmp ; [L838] FCALL select_helpers() [L839] FCALL select_features() [L840] CALL, EXPR valid_product() [L891] int retValue_acc ; [L894] retValue_acc = 1 [L895] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L840] RET, EXPR valid_product() [L840] tmp = valid_product() [L842] COND TRUE \read(tmp) [L844] FCALL setup() [L845] CALL runTest() [L823] CALL __utac_acc__Specification5_spec__1() [L712] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L823] RET __utac_acc__Specification5_spec__1() [L824] CALL test() [L271] int splverifierCounter ; [L272] int tmp ; [L273] int tmp___0 ; [L274] int tmp___1 ; [L275] int tmp___2 ; [L278] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L280] COND TRUE 1 [L282] COND TRUE splverifierCounter < 4 [L288] tmp = __VERIFIER_nondet_int() [L290] COND FALSE !(\read(tmp)) [L298] tmp___0 = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp___0)) [L308] tmp___2 = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp___2) [L312] CALL startSystem() [L262] systemActive = 1 [L312] RET startSystem() [L327] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L721] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L721] RET, EXPR isPumpRunning() [L721] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L980] int retValue_acc ; [L983] COND TRUE waterLevel < 2 [L984] retValue_acc = 1 [L985] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L727] int tmp ; [L728] int tmp___0 ; [L732] CALL, EXPR getWaterLevel() [L971] int retValue_acc ; [L974] retValue_acc = waterLevel [L975] return (retValue_acc); [L732] RET, EXPR getWaterLevel() [L732] tmp = getWaterLevel() [L734] COND TRUE tmp != 2 [L736] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L736] RET, EXPR isPumpRunning() [L736] tmp___0 = isPumpRunning() [L738] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L327] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 280]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L707] int switchedOnBeforeTS ; [L756] int cleanupTimeShifts = 4; [L900] int waterLevel = 1; [L901] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L833] int retValue_acc ; [L834] int tmp ; [L838] FCALL select_helpers() [L839] FCALL select_features() [L840] CALL, EXPR valid_product() [L891] int retValue_acc ; [L894] retValue_acc = 1 [L895] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L840] RET, EXPR valid_product() [L840] tmp = valid_product() [L842] COND TRUE \read(tmp) [L844] FCALL setup() [L845] CALL runTest() [L823] CALL __utac_acc__Specification5_spec__1() [L712] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L823] RET __utac_acc__Specification5_spec__1() [L824] CALL test() [L271] int splverifierCounter ; [L272] int tmp ; [L273] int tmp___0 ; [L274] int tmp___1 ; [L275] int tmp___2 ; [L278] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L280] COND TRUE 1 [L282] COND TRUE splverifierCounter < 4 [L288] tmp = __VERIFIER_nondet_int() [L290] COND FALSE !(\read(tmp)) [L298] tmp___0 = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp___0)) [L308] tmp___2 = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp___2) [L312] CALL startSystem() [L262] systemActive = 1 [L312] RET startSystem() [L327] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L721] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L721] RET, EXPR isPumpRunning() [L721] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L980] int retValue_acc ; [L983] COND TRUE waterLevel < 2 [L984] retValue_acc = 1 [L985] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L727] int tmp ; [L728] int tmp___0 ; [L732] CALL, EXPR getWaterLevel() [L971] int retValue_acc ; [L974] retValue_acc = waterLevel [L975] return (retValue_acc); [L732] RET, EXPR getWaterLevel() [L732] tmp = getWaterLevel() [L734] COND TRUE tmp != 2 [L736] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L736] RET, EXPR isPumpRunning() [L736] tmp___0 = isPumpRunning() [L738] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L327] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:13:43,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de17e4d-3ce6-4964-96de-ced8bf8e72ce/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)