./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme --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 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:53,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:53,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:41:53,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:53,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:53,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:53,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:53,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:53,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:53,825 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:53,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:53,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:53,827 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:53,827 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:41:53,828 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:41:53,829 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:41:53,829 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:41:53,830 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:41:53,830 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:41:53,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:53,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:41:53,832 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:53,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:53,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:53,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:53,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:41:53,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:41:53,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:41:53,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:41:53,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:53,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:53,837 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:41:53,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:53,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:53,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:53,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:53,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:53,840 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:41:53,841 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_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2023-11-26 10:41:54,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:54,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:54,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:54,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:54,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:54,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2023-11-26 10:41:57,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:57,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:57,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2023-11-26 10:41:57,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/data/475013551/a11602afa03d465a8973d8f012a3208c/FLAG639da9831 [2023-11-26 10:41:57,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/data/475013551/a11602afa03d465a8973d8f012a3208c [2023-11-26 10:41:57,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:57,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:57,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:57,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:57,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:57,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:57" (1/1) ... [2023-11-26 10:41:57,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6c9772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:57, skipping insertion in model container [2023-11-26 10:41:57,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:57" (1/1) ... [2023-11-26 10:41:57,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:58,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:58,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-26 10:41:58,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] [2023-11-26 10:41:58,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [290] [2023-11-26 10:41:58,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [391] [2023-11-26 10:41:58,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [426] [2023-11-26 10:41:58,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [516] [2023-11-26 10:41:58,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [882] [2023-11-26 10:41:58,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [922] [2023-11-26 10:41:58,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:58,272 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:58,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58 WrapperNode [2023-11-26 10:41:58,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:58,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:58,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:58,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:58,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,339 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 52, statements flattened = 346 [2023-11-26 10:41:58,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:58,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:58,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:58,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:58,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,382 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]. [2023-11-26 10:41:58,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:58,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:58,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:58,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:58,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (1/1) ... [2023-11-26 10:41:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:58,577 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:58,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:58,942 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:58,957 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:58,957 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:41:58,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:58 BoogieIcfgContainer [2023-11-26 10:41:58,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:58,961 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:41:58,961 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:41:58,965 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:41:58,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:58,966 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:41:57" (1/3) ... [2023-11-26 10:41:58,967 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa96fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:58, skipping insertion in model container [2023-11-26 10:41:58,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:58,968 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:58" (2/3) ... [2023-11-26 10:41:58,968 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa96fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:58, skipping insertion in model container [2023-11-26 10:41:58,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:58,968 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:58" (3/3) ... [2023-11-26 10:41:58,970 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2023-11-26 10:41:59,028 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:41:59,028 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:41:59,029 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:41:59,029 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:41:59,029 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:41:59,029 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:41:59,029 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:41:59,030 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:41:59,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:59,074 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2023-11-26 10:41:59,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:59,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:59,083 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:59,083 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:59,083 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:41:59,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:59,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2023-11-26 10:41:59,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:59,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:59,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:59,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:59,113 INFO L748 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 80#valid_product_returnLabel#1true main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 15#L378true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 66#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 89#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 8#L234-2true [2023-11-26 10:41:59,114 INFO L750 eck$LassoCheckResult]: Loop: 8#L234-2true assume !false; 98#L235true assume test_~splverifierCounter~0#1 < 4; 56#L236true havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 11#L244true assume !(0 != test_~tmp~2#1); 29#L244-2true havoc test_#t~nondet16#1;test_~tmp___0~1#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 44#L254true assume !(0 != test_~tmp___0~1#1); 25#L254-2true havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 58#L264true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 45#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 20#L272-2true assume { :begin_inline_timeShift } true; 107#L68true assume !(0 != ~pumpRunning~0); 72#L68-2true assume !(0 != ~systemActive~0); 26#L75-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 105#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 111#L901true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 79#L901-1true havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 59#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 8#L234-2true [2023-11-26 10:41:59,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:59,121 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 10:41:59,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:59,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164122549] [2023-11-26 10:41:59,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:59,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:59,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:59,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2068877077, now seen corresponding path program 1 times [2023-11-26 10:41:59,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:59,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198681256] [2023-11-26 10:41:59,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:59,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:59,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:59,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198681256] [2023-11-26 10:41:59,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198681256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:59,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:59,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:59,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591429367] [2023-11-26 10:41:59,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:59,379 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:41:59,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:59,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:59,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:59,418 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:59,458 INFO L93 Difference]: Finished difference Result 104 states and 133 transitions. [2023-11-26 10:41:59,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 133 transitions. [2023-11-26 10:41:59,463 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2023-11-26 10:41:59,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 94 states and 122 transitions. [2023-11-26 10:41:59,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2023-11-26 10:41:59,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2023-11-26 10:41:59,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 122 transitions. [2023-11-26 10:41:59,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:41:59,473 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 122 transitions. [2023-11-26 10:41:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 122 transitions. [2023-11-26 10:41:59,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-26 10:41:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.297872340425532) internal successors, (122), 93 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2023-11-26 10:41:59,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 122 transitions. [2023-11-26 10:41:59,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:59,527 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 122 transitions. [2023-11-26 10:41:59,527 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:41:59,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 122 transitions. [2023-11-26 10:41:59,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2023-11-26 10:41:59,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:59,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:59,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:59,536 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] [2023-11-26 10:41:59,537 INFO L748 eck$LassoCheckResult]: Stem: 282#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 278#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 279#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 275#valid_product_returnLabel#1 main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 262#L378 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 228#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 229#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 234#L234-2 [2023-11-26 10:41:59,538 INFO L750 eck$LassoCheckResult]: Loop: 234#L234-2 assume !false; 235#L235 assume test_~splverifierCounter~0#1 < 4; 305#L236 havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 250#L244 assume !(0 != test_~tmp~2#1); 252#L244-2 havoc test_#t~nondet16#1;test_~tmp___0~1#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 286#L254 assume !(0 != test_~tmp___0~1#1); 256#L254-2 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 280#L264 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 312#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 270#L272-2 assume { :begin_inline_timeShift } true; 271#L68 assume !(0 != ~pumpRunning~0); 248#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 249#L100 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 236#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 237#L100-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 240#L75-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 281#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 313#L901 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 272#L901-1 havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 273#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 234#L234-2 [2023-11-26 10:41:59,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:59,540 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 10:41:59,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:59,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583295049] [2023-11-26 10:41:59,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:59,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:59,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:59,614 INFO L85 PathProgramCache]: Analyzing trace with hash -438819568, now seen corresponding path program 1 times [2023-11-26 10:41:59,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:59,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781018853] [2023-11-26 10:41:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:59,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:59,634 INFO L85 PathProgramCache]: Analyzing trace with hash 933706105, now seen corresponding path program 1 times [2023-11-26 10:41:59,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:59,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072156895] [2023-11-26 10:41:59,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:59,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:59,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:00,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:01,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:42:01 BoogieIcfgContainer [2023-11-26 10:42:01,038 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:42:01,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:01,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:01,040 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:01,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:58" (3/4) ... [2023-11-26 10:42:01,042 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 10:42:01,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:42:01,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:01,119 INFO L158 Benchmark]: Toolchain (without parser) took 3376.48ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 88.7MB in the beginning and 121.1MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:01,120 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:01,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.93ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 69.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:42:01,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.86ms. Allocated memory is still 127.9MB. Free memory was 69.3MB in the beginning and 66.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:01,121 INFO L158 Benchmark]: Boogie Preprocessor took 62.70ms. Allocated memory is still 127.9MB. Free memory was 66.7MB in the beginning and 64.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:01,122 INFO L158 Benchmark]: RCFGBuilder took 556.10ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 64.1MB in the beginning and 128.0MB in the end (delta: -63.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:01,123 INFO L158 Benchmark]: BuchiAutomizer took 2077.51ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 123.1MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-26 10:42:01,123 INFO L158 Benchmark]: Witness Printer took 79.35ms. Allocated memory is still 159.4MB. Free memory was 123.1MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:01,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.93ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 69.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.86ms. Allocated memory is still 127.9MB. Free memory was 69.3MB in the beginning and 66.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.70ms. Allocated memory is still 127.9MB. Free memory was 66.7MB in the beginning and 64.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.10ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 64.1MB in the beginning and 128.0MB in the end (delta: -63.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2077.51ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 123.1MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 79.35ms. Allocated memory is still 159.4MB. Free memory was 123.1MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [290] - GenericResultAtLocation [Line: 391]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [391] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [426] - GenericResultAtLocation [Line: 516]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [516] - GenericResultAtLocation [Line: 882]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [882] - GenericResultAtLocation [Line: 922]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [922] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 94 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 128 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 130 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 234]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L428] int waterLevel = 1; [L429] int methaneLevelCritical = 0; [L686] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L884] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L369] int retValue_acc ; [L370] int tmp ; [L374] FCALL select_helpers() [L375] FCALL select_features() [L376] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L376] RET, EXPR valid_product() [L376] tmp = valid_product() [L378] COND TRUE \read(tmp) [L380] FCALL setup() [L381] CALL runTest() [L359] CALL __utac_acc__Specification2_spec__1() [L889] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L359] RET __utac_acc__Specification2_spec__1() [L360] CALL test() [L225] int splverifierCounter ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L232] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L234] COND TRUE 1 [L236] COND TRUE splverifierCounter < 4 [L242] tmp = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp)) [L252] tmp___0 = __VERIFIER_nondet_int() [L254] COND FALSE !(\read(tmp___0)) [L262] tmp___2 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___2) [L266] CALL startSystem() [L216] systemActive = 1 [L266] RET startSystem() [L279] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L97] int tmp ; [L100] COND FALSE !(\read(pumpRunning)) [L115] FCALL processEnvironment__wrappee__base() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification2_spec__2() [L894] int tmp ; [L895] int tmp___0 ; [L899] CALL, EXPR isMethaneLevelCritical() [L467] int retValue_acc ; [L470] retValue_acc = methaneLevelCritical [L471] return (retValue_acc); [L899] RET, EXPR isMethaneLevelCritical() [L899] tmp = isMethaneLevelCritical() [L901] COND FALSE !(\read(tmp)) [L917] methAndRunningLastTime = 0 [L83] RET __utac_acc__Specification2_spec__2() [L279] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 234]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L428] int waterLevel = 1; [L429] int methaneLevelCritical = 0; [L686] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L884] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L369] int retValue_acc ; [L370] int tmp ; [L374] FCALL select_helpers() [L375] FCALL select_features() [L376] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L376] RET, EXPR valid_product() [L376] tmp = valid_product() [L378] COND TRUE \read(tmp) [L380] FCALL setup() [L381] CALL runTest() [L359] CALL __utac_acc__Specification2_spec__1() [L889] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L359] RET __utac_acc__Specification2_spec__1() [L360] CALL test() [L225] int splverifierCounter ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L232] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L234] COND TRUE 1 [L236] COND TRUE splverifierCounter < 4 [L242] tmp = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp)) [L252] tmp___0 = __VERIFIER_nondet_int() [L254] COND FALSE !(\read(tmp___0)) [L262] tmp___2 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___2) [L266] CALL startSystem() [L216] systemActive = 1 [L266] RET startSystem() [L279] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L97] int tmp ; [L100] COND FALSE !(\read(pumpRunning)) [L115] FCALL processEnvironment__wrappee__base() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification2_spec__2() [L894] int tmp ; [L895] int tmp___0 ; [L899] CALL, EXPR isMethaneLevelCritical() [L467] int retValue_acc ; [L470] retValue_acc = methaneLevelCritical [L471] return (retValue_acc); [L899] RET, EXPR isMethaneLevelCritical() [L899] tmp = isMethaneLevelCritical() [L901] COND FALSE !(\read(tmp)) [L917] methAndRunningLastTime = 0 [L83] RET __utac_acc__Specification2_spec__2() [L279] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:42:01,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd080df-bb42-40c8-b115-07e4bd63a555/bin/uautomizer-verify-VRDe98Ueme/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)