./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx --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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:18:04,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:18:04,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:18:04,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:18:04,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:18:04,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:18:04,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:18:04,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:18:04,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:18:04,303 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:18:04,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:18:04,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:18:04,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:18:04,305 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:18:04,306 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:18:04,306 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:18:04,307 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:18:04,307 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:18:04,308 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:18:04,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:18:04,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:18:04,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:18:04,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:18:04,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:18:04,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:18:04,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:18:04,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:18:04,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:18:04,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:18:04,328 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:18:04,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:18:04,329 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:18:04,329 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:18:04,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:18:04,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:18:04,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:18:04,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:18:04,331 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:18:04,331 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_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2023-11-21 22:18:04,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:18:04,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:18:04,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:18:04,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:18:04,656 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:18:04,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2023-11-21 22:18:07,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:18:08,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:18:08,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2023-11-21 22:18:08,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/data/08d0f47f8/961f543a636d4cc19d71dfe178fb3eaf/FLAGd0b982591 [2023-11-21 22:18:08,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/data/08d0f47f8/961f543a636d4cc19d71dfe178fb3eaf [2023-11-21 22:18:08,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:18:08,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:18:08,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:08,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:18:08,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:18:08,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504bf57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08, skipping insertion in model container [2023-11-21 22:18:08,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:18:08,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:18:08,560 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:18:08,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2023-11-21 22:18:08,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] [2023-11-21 22:18:08,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [116] [2023-11-21 22:18:08,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [125] [2023-11-21 22:18:08,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [226] [2023-11-21 22:18:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [319] [2023-11-21 22:18:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-11-21 22:18:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [907] [2023-11-21 22:18:08,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:18:08,658 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:18:08,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08 WrapperNode [2023-11-21 22:18:08,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:08,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:18:08,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:18:08,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:18:08,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,723 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 517 [2023-11-21 22:18:08,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:18:08,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:18:08,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:18:08,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:18:08,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,742 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,757 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:18:08,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:18:08,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:18:08,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:18:08,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:18:08,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (1/1) ... [2023-11-21 22:18:08,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:18:08,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:08,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:18:08,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:18:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:18:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:18:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:18:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:18:09,028 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:18:09,029 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:18:09,492 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:18:09,506 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:18:09,508 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:18:09,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:09 BoogieIcfgContainer [2023-11-21 22:18:09,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:18:09,511 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:18:09,511 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:18:09,514 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:18:09,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:18:09,515 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:18:08" (1/3) ... [2023-11-21 22:18:09,517 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e5d696f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:18:09, skipping insertion in model container [2023-11-21 22:18:09,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:18:09,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:08" (2/3) ... [2023-11-21 22:18:09,518 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e5d696f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:18:09, skipping insertion in model container [2023-11-21 22:18:09,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:18:09,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:09" (3/3) ... [2023-11-21 22:18:09,520 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2023-11-21 22:18:09,577 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:18:09,578 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:18:09,578 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:18:09,578 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:18:09,578 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:18:09,578 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:18:09,578 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:18:09,579 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:18:09,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:09,620 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2023-11-21 22:18:09,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:18:09,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:18:09,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:09,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:09,627 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:18:09,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:09,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2023-11-21 22:18:09,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:18:09,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:18:09,637 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:09,637 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:09,643 INFO L748 eck$LassoCheckResult]: Stem: 38#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 135#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 114#valid_product_returnLabel#1true main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 151#L213true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 93#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 30#L918-2true [2023-11-21 22:18:09,643 INFO L750 eck$LassoCheckResult]: Loop: 30#L918-2true assume !false; 109#L919true assume test_~splverifierCounter~0#1 < 4; 146#L920true havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 82#L928true assume !(0 != test_~tmp~9#1); 25#L928-2true havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 139#L938true assume !(0 != test_~tmp___0~2#1); 121#L938-2true havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 9#L948true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 80#L956true assume !(0 != test_~tmp___1~0#1); 107#L956-2true assume { :begin_inline_timeShift } true; 39#L697true assume !(0 != ~pumpRunning~0); 5#L697-2true assume !(0 != ~systemActive~0); 88#L704-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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; 76#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 95#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 138#L61-1true havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 30#L918-2true [2023-11-21 22:18:09,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-21 22:18:09,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:09,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408532704] [2023-11-21 22:18:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:09,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:09,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:18:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:09,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:18:09,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1405374767, now seen corresponding path program 1 times [2023-11-21 22:18:09,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:09,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66285913] [2023-11-21 22:18:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:09,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:18:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:09,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:18:09,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1957910925, now seen corresponding path program 1 times [2023-11-21 22:18:09,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:09,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099675440] [2023-11-21 22:18:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:09,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:10,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:10,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099675440] [2023-11-21 22:18:10,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099675440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:18:10,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:18:10,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:18:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743889846] [2023-11-21 22:18:10,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:18:10,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:10,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:18:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:18:10,206 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:10,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:10,430 INFO L93 Difference]: Finished difference Result 504 states and 647 transitions. [2023-11-21 22:18:10,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 504 states and 647 transitions. [2023-11-21 22:18:10,452 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 328 [2023-11-21 22:18:10,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 504 states to 464 states and 607 transitions. [2023-11-21 22:18:10,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 464 [2023-11-21 22:18:10,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 464 [2023-11-21 22:18:10,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 607 transitions. [2023-11-21 22:18:10,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:18:10,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 464 states and 607 transitions. [2023-11-21 22:18:10,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 607 transitions. [2023-11-21 22:18:10,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 194. [2023-11-21 22:18:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.309278350515464) internal successors, (254), 193 states have internal predecessors, (254), 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) [2023-11-21 22:18:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2023-11-21 22:18:10,522 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 254 transitions. [2023-11-21 22:18:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:18:10,529 INFO L428 stractBuchiCegarLoop]: Abstraction has 194 states and 254 transitions. [2023-11-21 22:18:10,529 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:18:10,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 254 transitions. [2023-11-21 22:18:10,535 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 137 [2023-11-21 22:18:10,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:18:10,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:18:10,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:10,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:10,539 INFO L748 eck$LassoCheckResult]: Stem: 738#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 739#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 728#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 729#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 812#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 813#L213 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 795#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 730#L918-2 [2023-11-21 22:18:10,539 INFO L750 eck$LassoCheckResult]: Loop: 730#L918-2 assume !false; 731#L919 assume test_~splverifierCounter~0#1 < 4; 809#L920 havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 789#L928 assume !(0 != test_~tmp~9#1); 719#L928-2 havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 720#L938 assume !(0 != test_~tmp___0~2#1); 768#L938-2 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 691#L948 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 692#L956 assume !(0 != test_~tmp___1~0#1); 776#L956-2 assume { :begin_inline_timeShift } true; 740#L697 assume !(0 != ~pumpRunning~0); 682#L697-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 683#L755 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 726#L729-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 680#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 681#L729-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 760#L755-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 790#L704-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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; 782#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 783#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 798#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 784#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 730#L918-2 [2023-11-21 22:18:10,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:10,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-21 22:18:10,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:10,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139928646] [2023-11-21 22:18:10,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:10,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:18:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:10,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:18:10,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:10,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1305332318, now seen corresponding path program 1 times [2023-11-21 22:18:10,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:10,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656661035] [2023-11-21 22:18:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:10,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:10,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:18:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:10,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:18:10,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:10,627 INFO L85 PathProgramCache]: Analyzing trace with hash -188489626, now seen corresponding path program 1 times [2023-11-21 22:18:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:10,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219068998] [2023-11-21 22:18:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:10,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:10,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:18:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:10,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:18:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:11,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:18:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:18:11,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:18:11 BoogieIcfgContainer [2023-11-21 22:18:11,824 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:18:11,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:18:11,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:18:11,828 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:18:11,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:09" (3/4) ... [2023-11-21 22:18:11,830 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-21 22:18:11,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:18:11,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:18:11,920 INFO L158 Benchmark]: Toolchain (without parser) took 3783.65ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.7MB in the beginning and 109.8MB in the end (delta: 19.0MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,921 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:18:11,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.00ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 109.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.26ms. Allocated memory is still 161.5MB. Free memory was 109.1MB in the beginning and 105.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,922 INFO L158 Benchmark]: Boogie Preprocessor took 61.81ms. Allocated memory is still 161.5MB. Free memory was 105.6MB in the beginning and 102.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,922 INFO L158 Benchmark]: RCFGBuilder took 723.54ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 107.7MB in the end (delta: -4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,923 INFO L158 Benchmark]: BuchiAutomizer took 2315.87ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 107.7MB in the beginning and 111.9MB in the end (delta: -4.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,923 INFO L158 Benchmark]: Witness Printer took 92.46ms. Allocated memory is still 195.0MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:18:11,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.00ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 109.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.26ms. Allocated memory is still 161.5MB. Free memory was 109.1MB in the beginning and 105.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.81ms. Allocated memory is still 161.5MB. Free memory was 105.6MB in the beginning and 102.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 723.54ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 107.7MB in the end (delta: -4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2315.87ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 107.7MB in the beginning and 111.9MB in the end (delta: -4.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 92.46ms. Allocated memory is still 195.0MB. Free memory was 111.9MB in the beginning and 109.8MB 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [116] - GenericResultAtLocation [Line: 125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [125] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [226] - GenericResultAtLocation [Line: 319]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [319] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [907] * 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 6 locations. The remainder module has 194 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 270 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1088 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1088 mSDsluCounter, 1318 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1118 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 200 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 918]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L126] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L489] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int pumpRunning = 0; [L691] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L204] int retValue_acc ; [L205] int tmp ; [L209] FCALL select_helpers() [L210] FCALL select_features() [L211] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L211] RET, EXPR valid_product() [L211] tmp = valid_product() [L213] COND TRUE \read(tmp) [L215] FCALL setup() [L216] CALL runTest() [L198] CALL test() [L909] int splverifierCounter ; [L910] int tmp ; [L911] int tmp___0 ; [L912] int tmp___1 ; [L913] int tmp___2 ; [L916] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L918] COND TRUE 1 [L920] COND TRUE splverifierCounter < 4 [L926] tmp = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp)) [L936] tmp___0 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___0)) [L946] tmp___2 = __VERIFIER_nondet_int() [L948] COND FALSE !(\read(tmp___2)) [L954] tmp___1 = __VERIFIER_nondet_int() [L956] COND FALSE !(\read(tmp___1)) [L965] CALL timeShift() [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L706] CALL processEnvironment() [L752] int tmp ; [L755] COND FALSE !(\read(pumpRunning)) [L770] CALL processEnvironment__wrappee__methaneQuery() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] FCALL processEnvironment__wrappee__base() [L770] RET processEnvironment__wrappee__methaneQuery() [L706] RET processEnvironment() [L712] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L712] RET __utac_acc__Specification4_spec__1() [L965] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 918]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L126] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L489] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int pumpRunning = 0; [L691] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L204] int retValue_acc ; [L205] int tmp ; [L209] FCALL select_helpers() [L210] FCALL select_features() [L211] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L211] RET, EXPR valid_product() [L211] tmp = valid_product() [L213] COND TRUE \read(tmp) [L215] FCALL setup() [L216] CALL runTest() [L198] CALL test() [L909] int splverifierCounter ; [L910] int tmp ; [L911] int tmp___0 ; [L912] int tmp___1 ; [L913] int tmp___2 ; [L916] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L918] COND TRUE 1 [L920] COND TRUE splverifierCounter < 4 [L926] tmp = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp)) [L936] tmp___0 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___0)) [L946] tmp___2 = __VERIFIER_nondet_int() [L948] COND FALSE !(\read(tmp___2)) [L954] tmp___1 = __VERIFIER_nondet_int() [L956] COND FALSE !(\read(tmp___1)) [L965] CALL timeShift() [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L706] CALL processEnvironment() [L752] int tmp ; [L755] COND FALSE !(\read(pumpRunning)) [L770] CALL processEnvironment__wrappee__methaneQuery() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] FCALL processEnvironment__wrappee__base() [L770] RET processEnvironment__wrappee__methaneQuery() [L706] RET processEnvironment() [L712] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L712] RET __utac_acc__Specification4_spec__1() [L965] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:18:11,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bfa22a-d0c0-4532-9cbc-9bcc78032472/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)