./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/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_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/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_91334542-e087-445a-8083-4e754351b458/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 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:55:48,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:55:48,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 16:55:48,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:55:48,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:55:48,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:55:48,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:55:48,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:55:48,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:55:48,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:55:48,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:55:48,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:55:48,833 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:55:48,833 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:55:48,833 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:55:48,834 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:55:48,834 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:55:48,834 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:55:48,835 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:55:48,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:55:48,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:55:48,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:55:48,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:55:48,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:55:48,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:55:48,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:55:48,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:55:48,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:55:48,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:55:48,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:55:48,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:55:48,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:55:48,840 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:55:48,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:55:48,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:55:48,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:55:48,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:55:48,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:55:48,842 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:55:48,842 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_91334542-e087-445a-8083-4e754351b458/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2024-11-08 16:55:49,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:55:49,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:55:49,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:55:49,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:55:49,128 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:55:49,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c Unable to find full path for "g++" [2024-11-08 16:55:51,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:55:51,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:55:51,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2024-11-08 16:55:51,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/data/e4dc84189/bcc83e5c632a41d8bdbc7563190ec1a6/FLAGfda36c26d [2024-11-08 16:55:51,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/data/e4dc84189/bcc83e5c632a41d8bdbc7563190ec1a6 [2024-11-08 16:55:51,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:55:51,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:55:51,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:55:51,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:55:51,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:55:51,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:55:51" (1/1) ... [2024-11-08 16:55:51,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f53658c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:51, skipping insertion in model container [2024-11-08 16:55:51,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:55:51" (1/1) ... [2024-11-08 16:55:51,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:55:52,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:55:52,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:55:52,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-08 16:55:52,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-08 16:55:52,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] [2024-11-08 16:55:52,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [564] [2024-11-08 16:55:52,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-11-08 16:55:52,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2024-11-08 16:55:52,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] [2024-11-08 16:55:52,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] [2024-11-08 16:55:52,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:55:52,388 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:55:52,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52 WrapperNode [2024-11-08 16:55:52,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:55:52,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:55:52,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:55:52,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:55:52,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,473 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 101, statements flattened = 706 [2024-11-08 16:55:52,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:55:52,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:55:52,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:55:52,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:55:52,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,518 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 16:55:52,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:55:52,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:55:52,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:55:52,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:55:52,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (1/1) ... [2024-11-08 16:55:52,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:55:52,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:55:52,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:55:52,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:55:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:55:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:55:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:55:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:55:52,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:55:52,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:55:53,663 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-08 16:55:53,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:55:53,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:55:53,691 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:55:53,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:55:53 BoogieIcfgContainer [2024-11-08 16:55:53,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:55:53,696 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:55:53,696 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:55:53,701 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:55:53,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:55:53,702 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:55:51" (1/3) ... [2024-11-08 16:55:53,703 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337b4e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:55:53, skipping insertion in model container [2024-11-08 16:55:53,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:55:53,703 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:52" (2/3) ... [2024-11-08 16:55:53,703 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337b4e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:55:53, skipping insertion in model container [2024-11-08 16:55:53,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:55:53,704 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:55:53" (3/3) ... [2024-11-08 16:55:53,706 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2024-11-08 16:55:53,779 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:55:53,779 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:55:53,779 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:55:53,779 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:55:53,779 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:55:53,779 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:55:53,780 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:55:53,780 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:55:53,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 194 states have internal predecessors, (264), 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 16:55:53,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2024-11-08 16:55:53,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:55:53,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:55:53,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:55:53,825 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 16:55:53,825 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:55:53,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 194 states have internal predecessors, (264), 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 16:55:53,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2024-11-08 16:55:53,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:55:53,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:55:53,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:55:53,836 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 16:55:53,841 INFO L745 eck$LassoCheckResult]: Stem: 113#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 121#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 16#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 173#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; 65#valid_product_returnLabel#1true main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 169#L977true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 48#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 44#L840-2true [2024-11-08 16:55:53,842 INFO L747 eck$LassoCheckResult]: Loop: 44#L840-2true assume !false; 149#L841true assume test_~splverifierCounter~0#1 < 4; 36#L842true havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 84#L850true assume !(0 != test_~tmp~9#1); 193#L850-2true havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 75#L860true assume !(0 != test_~tmp___0~3#1); 160#L860-2true havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 58#L870true assume 0 != test_~tmp___2~0#1; 154#L876-2true assume { :begin_inline_timeShift } true; 42#L621true assume !(0 != ~pumpRunning~0); 109#L621-2true assume !(0 != ~systemActive~0); 155#L628-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 49#isMethaneLevelCritical_returnLabel#3true __utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 156#L576true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 21#L582-1true havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 137#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 44#L840-2true [2024-11-08 16:55:53,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 16:55:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:53,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428014875] [2024-11-08 16:55:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:53,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:54,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:54,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:54,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1588305546, now seen corresponding path program 1 times [2024-11-08 16:55:54,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:54,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971387699] [2024-11-08 16:55:54,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:54,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:54,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:54,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:54,059 INFO L85 PathProgramCache]: Analyzing trace with hash -232886470, now seen corresponding path program 1 times [2024-11-08 16:55:54,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:54,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287967589] [2024-11-08 16:55:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:54,335 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 16:55:54,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:54,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287967589] [2024-11-08 16:55:54,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287967589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:54,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:54,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:55:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859891468] [2024-11-08 16:55:54,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:54,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:54,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:55:54,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:55:54,470 INFO L87 Difference]: Start difference. First operand has 195 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 194 states have internal predecessors, (264), 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 16:55:54,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:55:54,602 INFO L93 Difference]: Finished difference Result 189 states and 247 transitions. [2024-11-08 16:55:54,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 247 transitions. [2024-11-08 16:55:54,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-08 16:55:54,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 179 states and 237 transitions. [2024-11-08 16:55:54,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2024-11-08 16:55:54,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2024-11-08 16:55:54,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 237 transitions. [2024-11-08 16:55:54,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:55:54,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 237 transitions. [2024-11-08 16:55:54,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 237 transitions. [2024-11-08 16:55:54,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-08 16:55:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.324022346368715) internal successors, (237), 178 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:55:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 237 transitions. [2024-11-08 16:55:54,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 179 states and 237 transitions. [2024-11-08 16:55:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:55:54,664 INFO L425 stractBuchiCegarLoop]: Abstraction has 179 states and 237 transitions. [2024-11-08 16:55:54,665 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:55:54,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 237 transitions. [2024-11-08 16:55:54,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-08 16:55:54,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:55:54,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:55:54,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:55:54,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:55:54,677 INFO L745 eck$LassoCheckResult]: Stem: 469#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 470#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 455#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 456#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; 562#valid_product_returnLabel#1 main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 563#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 540#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 525#L840-2 [2024-11-08 16:55:54,678 INFO L747 eck$LassoCheckResult]: Loop: 525#L840-2 assume !false; 533#L841 assume test_~splverifierCounter~0#1 < 4; 511#L842 havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 512#L850 assume !(0 != test_~tmp~9#1); 569#L850-2 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 573#L860 assume !(0 != test_~tmp___0~3#1); 439#L860-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 552#L870 assume 0 != test_~tmp___2~0#1; 554#L876-2 assume { :begin_inline_timeShift } true; 519#L621 assume !(0 != ~pumpRunning~0); 457#L621-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 458#L679 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 570#L653-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 402#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 403#L653-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 515#L679-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 556#L628-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 541#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 542#L576 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 472#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 473#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 525#L840-2 [2024-11-08 16:55:54,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:54,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 16:55:54,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:54,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042908128] [2024-11-08 16:55:54,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:54,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:54,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:54,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:54,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash -198873312, now seen corresponding path program 1 times [2024-11-08 16:55:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:54,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759622374] [2024-11-08 16:55:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:54,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:54,811 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 16:55:54,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:54,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759622374] [2024-11-08 16:55:54,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759622374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:54,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:54,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:55:54,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288798271] [2024-11-08 16:55:54,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:54,813 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 16:55:54,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:54,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:54,815 INFO L87 Difference]: Start difference. First operand 179 states and 237 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:55:54,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:55:54,953 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2024-11-08 16:55:54,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 246 states and 314 transitions. [2024-11-08 16:55:54,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2024-11-08 16:55:54,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 246 states to 246 states and 314 transitions. [2024-11-08 16:55:54,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 246 [2024-11-08 16:55:54,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 246 [2024-11-08 16:55:54,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 246 states and 314 transitions. [2024-11-08 16:55:54,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:55:54,970 INFO L218 hiAutomatonCegarLoop]: Abstraction has 246 states and 314 transitions. [2024-11-08 16:55:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states and 314 transitions. [2024-11-08 16:55:54,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-08 16:55:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 246 states have (on average 1.2764227642276422) internal successors, (314), 245 states have internal predecessors, (314), 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 16:55:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 314 transitions. [2024-11-08 16:55:54,996 INFO L240 hiAutomatonCegarLoop]: Abstraction has 246 states and 314 transitions. [2024-11-08 16:55:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:54,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 246 states and 314 transitions. [2024-11-08 16:55:54,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 16:55:54,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 314 transitions. [2024-11-08 16:55:55,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2024-11-08 16:55:55,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:55:55,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:55:55,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:55:55,003 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] [2024-11-08 16:55:55,003 INFO L745 eck$LassoCheckResult]: Stem: 898#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 899#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 882#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 883#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; 997#valid_product_returnLabel#1 main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 998#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 973#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 957#L840-2 [2024-11-08 16:55:55,003 INFO L747 eck$LassoCheckResult]: Loop: 957#L840-2 assume !false; 963#L841 assume test_~splverifierCounter~0#1 < 4; 941#L842 havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 942#L850 assume !(0 != test_~tmp~9#1); 1004#L850-2 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1011#L860 assume !(0 != test_~tmp___0~3#1); 868#L860-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 987#L870 assume 0 != test_~tmp___2~0#1; 989#L876-2 assume { :begin_inline_timeShift } true; 951#L621 assume !(0 != ~pumpRunning~0); 886#L621-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 887#L679 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1008#L653-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 869#L507-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 870#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 920#L799-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 943#L799-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 944#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 947#L657-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 914#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 915#L653-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 946#L679-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 991#L628-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 974#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 975#L576 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 901#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 902#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 957#L840-2 [2024-11-08 16:55:55,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-08 16:55:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:55,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381796386] [2024-11-08 16:55:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:55,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:55,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:55,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1629083768, now seen corresponding path program 1 times [2024-11-08 16:55:55,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:55,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020993583] [2024-11-08 16:55:55,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:55,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:55,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:55,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2004371508, now seen corresponding path program 1 times [2024-11-08 16:55:55,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:55,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424870248] [2024-11-08 16:55:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:55,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:55,303 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 16:55:55,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:55,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424870248] [2024-11-08 16:55:55,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424870248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:55,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:55,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:55:55,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185263035] [2024-11-08 16:55:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:55,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:55,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:55:55,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:55:55,453 INFO L87 Difference]: Start difference. First operand 246 states and 314 transitions. cyclomatic complexity: 70 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 16:55:55,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:55:55,596 INFO L93 Difference]: Finished difference Result 485 states and 613 transitions. [2024-11-08 16:55:55,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 485 states and 613 transitions. [2024-11-08 16:55:55,602 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 340 [2024-11-08 16:55:55,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 485 states to 485 states and 613 transitions. [2024-11-08 16:55:55,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2024-11-08 16:55:55,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2024-11-08 16:55:55,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 613 transitions. [2024-11-08 16:55:55,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:55:55,614 INFO L218 hiAutomatonCegarLoop]: Abstraction has 485 states and 613 transitions. [2024-11-08 16:55:55,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 613 transitions. [2024-11-08 16:55:55,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2024-11-08 16:55:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 485 states have (on average 1.2639175257731958) internal successors, (613), 484 states have internal predecessors, (613), 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 16:55:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 613 transitions. [2024-11-08 16:55:55,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 485 states and 613 transitions. [2024-11-08 16:55:55,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:55:55,643 INFO L425 stractBuchiCegarLoop]: Abstraction has 485 states and 613 transitions. [2024-11-08 16:55:55,643 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 16:55:55,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 485 states and 613 transitions. [2024-11-08 16:55:55,649 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 340 [2024-11-08 16:55:55,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:55:55,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:55:55,651 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:55:55,651 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] [2024-11-08 16:55:55,651 INFO L745 eck$LassoCheckResult]: Stem: 1645#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1646#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1629#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1630#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; 1765#valid_product_returnLabel#1 main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 1766#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1731#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1732#L840-2 [2024-11-08 16:55:55,651 INFO L747 eck$LassoCheckResult]: Loop: 1732#L840-2 assume !false; 1744#L841 assume test_~splverifierCounter~0#1 < 4; 1745#L842 havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1913#L850 assume !(0 != test_~tmp~9#1); 1814#L850-2 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1786#L860 assume !(0 != test_~tmp___0~3#1); 1614#L860-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1750#L870 assume 0 != test_~tmp___2~0#1; 1752#L876-2 assume { :begin_inline_timeShift } true; 1706#L621 assume !(0 != ~pumpRunning~0); 1633#L621-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1634#L679 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1781#L653-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1615#L507-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1616#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 1669#L799-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1693#L799-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 1694#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 1702#L657-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1662#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1663#L653-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1754#L679-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1755#L628-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1914#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 1757#L576 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 1758#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret34#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 1927#L582 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1648#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 1649#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1732#L840-2 [2024-11-08 16:55:55,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:55,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-08 16:55:55,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:55,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598212489] [2024-11-08 16:55:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:55,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:55,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2112367283, now seen corresponding path program 1 times [2024-11-08 16:55:55,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:55,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779863764] [2024-11-08 16:55:55,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:55,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:55,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:55,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2056865289, now seen corresponding path program 1 times [2024-11-08 16:55:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:55,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779873887] [2024-11-08 16:55:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:55,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:55:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:56,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:55:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:55:56,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:55:56 BoogieIcfgContainer [2024-11-08 16:55:56,977 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:55:56,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:55:56,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:55:56,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:55:56,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:55:53" (3/4) ... [2024-11-08 16:55:56,983 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 16:55:57,069 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:55:57,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:55:57,069 INFO L158 Benchmark]: Toolchain (without parser) took 5334.17ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 101.3MB in the beginning and 138.4MB in the end (delta: -37.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,070 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:55:57,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.02ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 79.6MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.09ms. Allocated memory is still 138.4MB. Free memory was 79.6MB in the beginning and 75.8MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,071 INFO L158 Benchmark]: Boogie Preprocessor took 103.91ms. Allocated memory is still 138.4MB. Free memory was 75.8MB in the beginning and 72.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,071 INFO L158 Benchmark]: RCFGBuilder took 1113.34ms. Allocated memory is still 138.4MB. Free memory was 72.0MB in the beginning and 95.6MB in the end (delta: -23.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,071 INFO L158 Benchmark]: BuchiAutomizer took 3281.45ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 95.6MB in the beginning and 141.6MB in the end (delta: -46.0MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,072 INFO L158 Benchmark]: Witness Printer took 91.14ms. Allocated memory is still 186.6MB. Free memory was 141.6MB in the beginning and 138.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:55:57,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.02ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 79.6MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.09ms. Allocated memory is still 138.4MB. Free memory was 79.6MB in the beginning and 75.8MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.91ms. Allocated memory is still 138.4MB. Free memory was 75.8MB in the beginning and 72.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.34ms. Allocated memory is still 138.4MB. Free memory was 72.0MB in the beginning and 95.6MB in the end (delta: -23.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3281.45ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 95.6MB in the beginning and 141.6MB in the end (delta: -46.0MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 91.14ms. Allocated memory is still 186.6MB. Free memory was 141.6MB in the beginning and 138.4MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] - GenericResultAtLocation [Line: 564]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [564] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 828]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] - GenericResultAtLocation [Line: 894]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] * 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 6 locations. The remainder module has 485 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 845 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 845 mSDsluCounter, 1890 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1216 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 674 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 840]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L895] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L556] int retValue_acc ; [L559] retValue_acc = 1 [L560] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] RET, EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L831] int splverifierCounter ; [L832] int tmp ; [L833] int tmp___0 ; [L834] int tmp___1 ; [L835] int tmp___2 ; [L838] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L840] COND TRUE 1 [L842] COND TRUE splverifierCounter < 4 [L848] tmp = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp)) [L858] tmp___0 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___0)) [L868] tmp___2 = __VERIFIER_nondet_int() [L870] COND TRUE \read(tmp___2) [L883] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] CALL processEnvironment() [L676] int tmp ; [L679] COND FALSE !(\read(pumpRunning)) [L694] CALL processEnvironment__wrappee__highWaterSensor() [L650] int tmp ; [L653] COND TRUE ! pumpRunning [L655] CALL, EXPR isHighWaterLevel() [L791] int retValue_acc ; [L792] int tmp ; [L793] int tmp___0 ; [L797] CALL, EXPR isHighWaterSensorDry() [L504] int retValue_acc ; [L507] COND TRUE waterLevel < 2 [L508] retValue_acc = 1 [L509] return (retValue_acc); [L797] RET, EXPR isHighWaterSensorDry() [L797] tmp = isHighWaterSensorDry() [L799] COND TRUE \read(tmp) [L800] tmp___0 = 0 [L804] retValue_acc = tmp___0 [L805] return (retValue_acc); [L655] RET, EXPR isHighWaterLevel() [L655] tmp = isHighWaterLevel() [L657] COND FALSE !(\read(tmp)) [L663] FCALL processEnvironment__wrappee__base() [L694] RET processEnvironment__wrappee__highWaterSensor() [L630] RET processEnvironment() [L636] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L636] RET __utac_acc__Specification3_spec__1() [L883] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 840]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L895] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L556] int retValue_acc ; [L559] retValue_acc = 1 [L560] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] RET, EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L831] int splverifierCounter ; [L832] int tmp ; [L833] int tmp___0 ; [L834] int tmp___1 ; [L835] int tmp___2 ; [L838] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L840] COND TRUE 1 [L842] COND TRUE splverifierCounter < 4 [L848] tmp = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp)) [L858] tmp___0 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___0)) [L868] tmp___2 = __VERIFIER_nondet_int() [L870] COND TRUE \read(tmp___2) [L883] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] CALL processEnvironment() [L676] int tmp ; [L679] COND FALSE !(\read(pumpRunning)) [L694] CALL processEnvironment__wrappee__highWaterSensor() [L650] int tmp ; [L653] COND TRUE ! pumpRunning [L655] CALL, EXPR isHighWaterLevel() [L791] int retValue_acc ; [L792] int tmp ; [L793] int tmp___0 ; [L797] CALL, EXPR isHighWaterSensorDry() [L504] int retValue_acc ; [L507] COND TRUE waterLevel < 2 [L508] retValue_acc = 1 [L509] return (retValue_acc); [L797] RET, EXPR isHighWaterSensorDry() [L797] tmp = isHighWaterSensorDry() [L799] COND TRUE \read(tmp) [L800] tmp___0 = 0 [L804] retValue_acc = tmp___0 [L805] return (retValue_acc); [L655] RET, EXPR isHighWaterLevel() [L655] tmp = isHighWaterLevel() [L657] COND FALSE !(\read(tmp)) [L663] FCALL processEnvironment__wrappee__base() [L694] RET processEnvironment__wrappee__highWaterSensor() [L630] RET processEnvironment() [L636] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L636] RET __utac_acc__Specification3_spec__1() [L883] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:55:57,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91334542-e087-445a-8083-4e754351b458/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)