./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd --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 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:46:57,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:46:57,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 15:46:57,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:46:57,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:46:57,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:46:57,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:46:57,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:46:57,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:46:57,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:46:57,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:46:57,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:46:57,960 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:46:57,960 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 15:46:57,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 15:46:57,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:46:57,962 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:46:57,963 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:46:57,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:46:57,963 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 15:46:57,963 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:46:57,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:46:57,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:46:57,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:46:57,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:46:57,964 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 15:46:57,964 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd 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 -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2024-11-13 15:46:58,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:46:58,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:46:58,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:46:58,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:46:58,298 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:46:58,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c Unable to find full path for "g++" [2024-11-13 15:47:00,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:47:00,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:47:00,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2024-11-13 15:47:00,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/data/e6a9daecc/60023b5dad71440a81646e5096492ddc/FLAG6fc91eac8 [2024-11-13 15:47:00,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/data/e6a9daecc/60023b5dad71440a81646e5096492ddc [2024-11-13 15:47:00,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:47:00,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:47:00,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:47:00,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:47:00,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:47:00,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:47:00" (1/1) ... [2024-11-13 15:47:00,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d445cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:00, skipping insertion in model container [2024-11-13 15:47:00,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:47:00" (1/1) ... [2024-11-13 15:47:00,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:47:01,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:47:01,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:47:01,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-13 15:47:01,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-11-13 15:47:01,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-13 15:47:01,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] [2024-11-13 15:47:01,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] [2024-11-13 15:47:01,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [647] [2024-11-13 15:47:01,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [776] [2024-11-13 15:47:01,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [841] [2024-11-13 15:47:01,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:47:01,342 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:47:01,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01 WrapperNode [2024-11-13 15:47:01,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:47:01,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:47:01,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:47:01,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:47:01,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,422 INFO L138 Inliner]: procedures = 50, calls = 91, calls flagged for inlining = 44, calls inlined = 35, statements flattened = 226 [2024-11-13 15:47:01,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:47:01,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:47:01,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:47:01,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:47:01,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,460 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:47:01,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:47:01,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:47:01,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:47:01,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:47:01,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (1/1) ... [2024-11-13 15:47:01,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:47:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:47:01,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:47:01,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 15:47:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:47:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:47:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:47:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:47:01,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:47:01,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:47:01,924 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-13 15:47:01,924 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:47:01,937 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:47:01,937 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:47:01,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:47:01 BoogieIcfgContainer [2024-11-13 15:47:01,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:47:01,938 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 15:47:01,939 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 15:47:01,944 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 15:47:01,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:47:01,945 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 03:47:00" (1/3) ... [2024-11-13 15:47:01,946 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f512ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:47:01, skipping insertion in model container [2024-11-13 15:47:01,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:47:01,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:01" (2/3) ... [2024-11-13 15:47:01,947 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f512ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:47:01, skipping insertion in model container [2024-11-13 15:47:01,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:47:01,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:47:01" (3/3) ... [2024-11-13 15:47:01,949 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2024-11-13 15:47:02,005 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 15:47:02,005 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 15:47:02,006 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 15:47:02,006 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 15:47:02,006 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 15:47:02,006 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 15:47:02,006 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 15:47:02,006 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 15:47:02,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 77 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:02,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-11-13 15:47:02,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:47:02,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:47:02,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,040 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 15:47:02,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 77 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:02,044 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-11-13 15:47:02,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:47:02,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:47:02,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,051 INFO L745 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 44#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; 29#valid_product_returnLabel#1true main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 35#L634true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 4#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 28#L787-2true [2024-11-13 15:47:02,052 INFO L747 eck$LassoCheckResult]: Loop: 28#L787-2true assume !false; 74#L788true assume test_~splverifierCounter~0#1 < 4; 5#L789true havoc test_#t~nondet44#1;test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 25#L797true assume !(0 != test_~tmp~5#1); 42#L797-2true havoc test_#t~nondet45#1;test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 12#L807true assume !(0 != test_~tmp___0~0#1); 10#L807-2true havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 61#L817true assume 0 != test_~tmp___2~0#1; 75#L823-2true assume { :begin_inline_timeShift } true; 38#L659true assume !(0 != ~pumpRunning~0); 14#L659-2true assume !(0 != ~systemActive~0); 48#L666-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 59#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 58#L850true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 50#L850-1true havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 68#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 28#L787-2true [2024-11-13 15:47:02,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:02,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-13 15:47:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520043596] [2024-11-13 15:47:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:02,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:47:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:02,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:47:02,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:02,213 INFO L85 PathProgramCache]: Analyzing trace with hash -872921274, now seen corresponding path program 1 times [2024-11-13 15:47:02,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:02,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534894896] [2024-11-13 15:47:02,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:02,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:02,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:47:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:02,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:47:02,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash 482497802, now seen corresponding path program 1 times [2024-11-13 15:47:02,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:02,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172072316] [2024-11-13 15:47:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:02,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:02,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:02,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172072316] [2024-11-13 15:47:02,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172072316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:02,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:02,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:47:02,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607341636] [2024-11-13 15:47:02,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:02,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:02,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:47:02,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:47:02,782 INFO L87 Difference]: Start difference. First operand has 78 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 77 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:02,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:02,895 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2024-11-13 15:47:02,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2024-11-13 15:47:02,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2024-11-13 15:47:02,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2024-11-13 15:47:02,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2024-11-13 15:47:02,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2024-11-13 15:47:02,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2024-11-13 15:47:02,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:47:02,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-13 15:47:02,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2024-11-13 15:47:02,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-13 15:47:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2024-11-13 15:47:02,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-13 15:47:02,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:47:02,967 INFO L424 stractBuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-13 15:47:02,967 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 15:47:02,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2024-11-13 15:47:02,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2024-11-13 15:47:02,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:47:02,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:47:02,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,974 INFO L745 eck$LassoCheckResult]: Stem: 215#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 216#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 205#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 206#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; 202#valid_product_returnLabel#1 main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 203#L634 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 168#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 169#L787-2 [2024-11-13 15:47:02,991 INFO L747 eck$LassoCheckResult]: Loop: 169#L787-2 assume !false; 200#L788 assume test_~splverifierCounter~0#1 < 4; 170#L789 havoc test_#t~nondet44#1;test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 171#L797 assume !(0 != test_~tmp~5#1); 198#L797-2 havoc test_#t~nondet45#1;test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 183#L807 assume !(0 != test_~tmp___0~0#1); 179#L807-2 havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 180#L817 assume 0 != test_~tmp___2~0#1; 173#L823-2 assume { :begin_inline_timeShift } true; 212#L659 assume !(0 != ~pumpRunning~0); 185#L659-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 186#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 201#L666-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 217#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 225#L850 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 218#L850-1 havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 219#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 169#L787-2 [2024-11-13 15:47:02,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:02,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-13 15:47:02,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:02,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618759806] [2024-11-13 15:47:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:03,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:47:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:03,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:47:03,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:03,024 INFO L85 PathProgramCache]: Analyzing trace with hash -662735646, now seen corresponding path program 1 times [2024-11-13 15:47:03,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:03,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380104167] [2024-11-13 15:47:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:03,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:03,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:47:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:03,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:47:03,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1594417250, now seen corresponding path program 1 times [2024-11-13 15:47:03,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:03,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542885363] [2024-11-13 15:47:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:03,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:03,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:47:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:03,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:47:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:04,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:47:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:47:04,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 03:47:04 BoogieIcfgContainer [2024-11-13 15:47:04,490 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 15:47:04,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:47:04,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:47:04,492 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:47:04,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:47:01" (3/4) ... [2024-11-13 15:47:04,494 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 15:47:04,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:47:04,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:47:04,540 INFO L158 Benchmark]: Toolchain (without parser) took 3667.37ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 63.4MB in the end (delta: 55.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-13 15:47:04,541 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:47:04,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.70ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 100.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:47:04,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.81ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 98.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:47:04,542 INFO L158 Benchmark]: Boogie Preprocessor took 54.37ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 97.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:47:04,542 INFO L158 Benchmark]: RCFGBuilder took 458.33ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 81.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:47:04,543 INFO L158 Benchmark]: BuchiAutomizer took 2552.14ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 66.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-13 15:47:04,543 INFO L158 Benchmark]: Witness Printer took 48.11ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:47:04,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.70ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 100.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.81ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 98.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.37ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 97.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.33ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 81.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2552.14ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 66.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 48.11ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] - GenericResultAtLocation [Line: 647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [647] - GenericResultAtLocation [Line: 776]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [776] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [841] * 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 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. 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, 87 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 18 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: 787]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L787] COND TRUE 1 [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp)) [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___0)) [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] FCALL processEnvironment() [L674] CALL __utac_acc__Specification1_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L848] CALL, EXPR isMethaneLevelCritical() [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); [L848] RET, EXPR isMethaneLevelCritical() [L848] tmp = isMethaneLevelCritical() [L850] COND FALSE !(\read(tmp)) [L674] RET __utac_acc__Specification1_spec__1() [L830] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 787]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L787] COND TRUE 1 [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp)) [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___0)) [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] FCALL processEnvironment() [L674] CALL __utac_acc__Specification1_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L848] CALL, EXPR isMethaneLevelCritical() [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); [L848] RET, EXPR isMethaneLevelCritical() [L848] tmp = isMethaneLevelCritical() [L850] COND FALSE !(\read(tmp)) [L674] RET __utac_acc__Specification1_spec__1() [L830] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 15:47:04,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0d66aa-57cf-4dcb-9acc-610303904487/bin/uautomizer-verify-qhAvR1uOyd/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)