./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.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_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/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_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/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_7f366773-5717-4285-aac7-bc9de61cf04f/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 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:06:12,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:06:13,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 16:06:13,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:06:13,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:06:13,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:06:13,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:06:13,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:06:13,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:06:13,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:06:13,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:06:13,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:06:13,173 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:06:13,173 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:06:13,174 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:06:13,174 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:06:13,175 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:06:13,175 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:06:13,176 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:06:13,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:06:13,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:06:13,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:06:13,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:06:13,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:06:13,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:06:13,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:06:13,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:06:13,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:06:13,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:06:13,185 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:06:13,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:06:13,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:06:13,186 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:06:13,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:06:13,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:06:13,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:06:13,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:06:13,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:06:13,190 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:06:13,190 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_7f366773-5717-4285-aac7-bc9de61cf04f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 [2024-11-08 16:06:13,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:06:13,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:06:13,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:06:13,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:06:13,615 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:06:13,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c Unable to find full path for "g++" [2024-11-08 16:06:16,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:06:16,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:06:16,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2024-11-08 16:06:16,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/data/8f9d181cd/b676d0e2f6d645d48c3a57ec6d3e525e/FLAGc9b49f91e [2024-11-08 16:06:16,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/data/8f9d181cd/b676d0e2f6d645d48c3a57ec6d3e525e [2024-11-08 16:06:16,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:06:16,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:06:16,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:06:16,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:06:16,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:06:16,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:06:16" (1/1) ... [2024-11-08 16:06:16,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ac32e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:16, skipping insertion in model container [2024-11-08 16:06:16,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:06:16" (1/1) ... [2024-11-08 16:06:16,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:06:17,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:06:17,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:06:17,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-11-08 16:06:17,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2024-11-08 16:06:17,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] [2024-11-08 16:06:17,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [226] [2024-11-08 16:06:17,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] [2024-11-08 16:06:17,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [737] [2024-11-08 16:06:17,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [804] [2024-11-08 16:06:17,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [813] [2024-11-08 16:06:17,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:06:17,542 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:06:17,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17 WrapperNode [2024-11-08 16:06:17,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:06:17,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:06:17,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:06:17,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:06:17,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,612 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 40, statements flattened = 266 [2024-11-08 16:06:17,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:06:17,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:06:17,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:06:17,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:06:17,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,666 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 16:06:17,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:06:17,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:06:17,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:06:17,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:06:17,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (1/1) ... [2024-11-08 16:06:17,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:06:17,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:06:17,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:06:17,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:06:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:06:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:06:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:06:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:06:17,922 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:06:17,925 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:06:18,437 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 16:06:18,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:06:18,461 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:06:18,462 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:06:18,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:06:18 BoogieIcfgContainer [2024-11-08 16:06:18,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:06:18,464 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:06:18,465 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:06:18,470 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:06:18,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:06:18,471 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:06:16" (1/3) ... [2024-11-08 16:06:18,472 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14b6bc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:06:18, skipping insertion in model container [2024-11-08 16:06:18,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:06:18,473 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:17" (2/3) ... [2024-11-08 16:06:18,473 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14b6bc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:06:18, skipping insertion in model container [2024-11-08 16:06:18,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:06:18,475 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:06:18" (3/3) ... [2024-11-08 16:06:18,477 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2024-11-08 16:06:18,553 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:06:18,553 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:06:18,554 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:06:18,554 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:06:18,554 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:06:18,554 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:06:18,554 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:06:18,555 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:06:18,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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 16:06:18,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-08 16:06:18,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:06:18,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:06:18,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:18,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:18,590 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:06:18,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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 16:06:18,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-08 16:06:18,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:06:18,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:06:18,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:18,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:18,604 INFO L745 eck$LassoCheckResult]: Stem: 47#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 57#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 39#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 56#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 33#valid_product_returnLabel#1true main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 44#L178true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 8#L748-2true [2024-11-08 16:06:18,605 INFO L747 eck$LassoCheckResult]: Loop: 8#L748-2true assume !false; 9#L749true assume test_~splverifierCounter~0#1 < 4; 54#L750true havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 45#L758true assume !(0 != test_~tmp~6#1); 14#L758-2true havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 16#L768true assume !(0 != test_~tmp___0~1#1); 19#L768-2true havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 25#L778true assume 0 != test_~tmp___2~0#1; 81#L784-2true assume { :begin_inline_timeShift } true; 73#L605true assume !(0 != ~pumpRunning~0); 24#L605-2true assume !(0 != ~systemActive~0); 59#L612-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 70#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 10#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 76#L69-1true havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 79#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 8#L748-2true [2024-11-08 16:06:18,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 16:06:18,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:18,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276479779] [2024-11-08 16:06:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:18,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:18,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:18,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:18,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:18,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1678835306, now seen corresponding path program 1 times [2024-11-08 16:06:18,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:18,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751303885] [2024-11-08 16:06:18,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:18,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:18,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:18,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:18,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:18,848 INFO L85 PathProgramCache]: Analyzing trace with hash -323416230, now seen corresponding path program 1 times [2024-11-08 16:06:18,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:18,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853039302] [2024-11-08 16:06:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:18,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:19,188 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 16:06:19,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:19,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853039302] [2024-11-08 16:06:19,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853039302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:19,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:19,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:06:19,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473728162] [2024-11-08 16:06:19,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:19,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:19,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:06:19,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:06:19,382 INFO L87 Difference]: Start difference. First operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 16:06:19,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:19,577 INFO L93 Difference]: Finished difference Result 227 states and 290 transitions. [2024-11-08 16:06:19,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 290 transitions. [2024-11-08 16:06:19,593 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2024-11-08 16:06:19,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 197 states and 260 transitions. [2024-11-08 16:06:19,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2024-11-08 16:06:19,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2024-11-08 16:06:19,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 260 transitions. [2024-11-08 16:06:19,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:06:19,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 260 transitions. [2024-11-08 16:06:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 260 transitions. [2024-11-08 16:06:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 130. [2024-11-08 16:06:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 16:06:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 172 transitions. [2024-11-08 16:06:19,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 130 states and 172 transitions. [2024-11-08 16:06:19,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:06:19,710 INFO L425 stractBuchiCegarLoop]: Abstraction has 130 states and 172 transitions. [2024-11-08 16:06:19,710 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:06:19,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 172 transitions. [2024-11-08 16:06:19,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2024-11-08 16:06:19,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:06:19,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:06:19,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:19,715 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:19,715 INFO L745 eck$LassoCheckResult]: Stem: 392#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 393#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 387#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 388#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 380#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 381#L178 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 335#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 336#L748-2 [2024-11-08 16:06:19,715 INFO L747 eck$LassoCheckResult]: Loop: 336#L748-2 assume !false; 342#L749 assume test_~splverifierCounter~0#1 < 4; 343#L750 havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 391#L758 assume !(0 != test_~tmp~6#1); 351#L758-2 havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 352#L768 assume !(0 != test_~tmp___0~1#1); 355#L768-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 359#L778 assume 0 != test_~tmp___2~0#1; 367#L784-2 assume { :begin_inline_timeShift } true; 402#L605 assume !(0 != ~pumpRunning~0); 364#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 365#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 385#L612-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 398#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 345#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 347#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 403#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 336#L748-2 [2024-11-08 16:06:19,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:19,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 16:06:19,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:19,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536948926] [2024-11-08 16:06:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:19,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:19,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:19,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:19,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash 124187709, now seen corresponding path program 1 times [2024-11-08 16:06:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:19,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808096130] [2024-11-08 16:06:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:19,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:19,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:19,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:19,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash -807493895, now seen corresponding path program 1 times [2024-11-08 16:06:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:19,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460577552] [2024-11-08 16:06:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:20,007 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 16:06:20,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:20,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460577552] [2024-11-08 16:06:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460577552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:20,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:20,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:06:20,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975155594] [2024-11-08 16:06:20,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:20,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:20,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:06:20,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:06:20,109 INFO L87 Difference]: Start difference. First operand 130 states and 172 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 16:06:20,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:20,243 INFO L93 Difference]: Finished difference Result 253 states and 329 transitions. [2024-11-08 16:06:20,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 253 states and 329 transitions. [2024-11-08 16:06:20,248 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2024-11-08 16:06:20,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 253 states to 253 states and 329 transitions. [2024-11-08 16:06:20,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253 [2024-11-08 16:06:20,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253 [2024-11-08 16:06:20,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 329 transitions. [2024-11-08 16:06:20,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:06:20,260 INFO L218 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-11-08 16:06:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 329 transitions. [2024-11-08 16:06:20,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-11-08 16:06:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 16:06:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2024-11-08 16:06:20,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-11-08 16:06:20,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:06:20,283 INFO L425 stractBuchiCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-11-08 16:06:20,283 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 16:06:20,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 253 states and 329 transitions. [2024-11-08 16:06:20,286 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2024-11-08 16:06:20,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:06:20,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:06:20,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:20,288 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 16:06:20,289 INFO L745 eck$LassoCheckResult]: Stem: 791#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 792#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 786#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 787#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 782#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 783#L178 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 737#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 738#L748-2 [2024-11-08 16:06:20,289 INFO L747 eck$LassoCheckResult]: Loop: 738#L748-2 assume !false; 739#L749 assume test_~splverifierCounter~0#1 < 4; 742#L750 havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 790#L758 assume !(0 != test_~tmp~6#1); 747#L758-2 havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 748#L768 assume !(0 != test_~tmp___0~1#1); 753#L768-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 756#L778 assume 0 != test_~tmp___2~0#1; 763#L784-2 assume { :begin_inline_timeShift } true; 812#L605 assume !(0 != ~pumpRunning~0); 905#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 776#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 777#L612-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 799#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 740#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 741#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 886#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 885#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 810#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 738#L748-2 [2024-11-08 16:06:20,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:20,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-08 16:06:20,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:20,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646095721] [2024-11-08 16:06:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:20,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:20,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:20,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:20,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:20,317 INFO L85 PathProgramCache]: Analyzing trace with hash -913504750, now seen corresponding path program 1 times [2024-11-08 16:06:20,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:20,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669392971] [2024-11-08 16:06:20,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:20,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:20,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:20,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:20,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:20,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1388638670, now seen corresponding path program 1 times [2024-11-08 16:06:20,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:20,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310514910] [2024-11-08 16:06:20,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:20,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:20,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:20,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:06:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:21,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:06:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:06:21,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:06:21 BoogieIcfgContainer [2024-11-08 16:06:21,875 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:06:21,876 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:06:21,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:06:21,876 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:06:21,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:06:18" (3/4) ... [2024-11-08 16:06:21,879 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 16:06:21,964 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:06:21,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:06:21,966 INFO L158 Benchmark]: Toolchain (without parser) took 5148.35ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 130.9MB in the beginning and 98.4MB in the end (delta: 32.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,966 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 121.6MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:06:21,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.71ms. Allocated memory is still 161.5MB. Free memory was 130.9MB in the beginning and 118.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.78ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 116.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,968 INFO L158 Benchmark]: Boogie Preprocessor took 71.32ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 113.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,972 INFO L158 Benchmark]: RCFGBuilder took 776.50ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 96.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,973 INFO L158 Benchmark]: BuchiAutomizer took 3410.82ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 96.1MB in the beginning and 101.6MB in the end (delta: -5.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,973 INFO L158 Benchmark]: Witness Printer took 88.97ms. Allocated memory is still 195.0MB. Free memory was 101.6MB in the beginning and 98.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:06:21,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 121.6MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.71ms. Allocated memory is still 161.5MB. Free memory was 130.9MB in the beginning and 118.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.78ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 116.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.32ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 113.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 776.50ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 96.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3410.82ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 96.1MB in the beginning and 101.6MB in the end (delta: -5.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 88.97ms. Allocated memory is still 195.0MB. Free memory was 101.6MB in the beginning and 98.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [226] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] - GenericResultAtLocation [Line: 737]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [737] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [804] - GenericResultAtLocation [Line: 813]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [813] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 253 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 67 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, 335 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 616 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 187 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 748]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L748] COND TRUE 1 [L750] COND TRUE splverifierCounter < 4 [L756] tmp = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp)) [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) [L793] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L620] RET __utac_acc__Specification3_spec__1() [L793] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 748]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L748] COND TRUE 1 [L750] COND TRUE splverifierCounter < 4 [L756] tmp = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp)) [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) [L793] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L620] RET __utac_acc__Specification3_spec__1() [L793] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:06:22,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f366773-5717-4285-aac7-bc9de61cf04f/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)