./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya --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 c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:18:41,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:18:41,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 05:18:41,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:18:41,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:18:41,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:18:41,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:18:41,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:18:41,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:18:41,931 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:18:41,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:18:41,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:18:41,933 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:18:41,933 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:18:41,934 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:18:41,934 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:18:41,935 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:18:41,935 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:18:41,936 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:18:41,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:18:41,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:18:41,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:18:41,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:18:41,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:18:41,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:18:41,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:18:41,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:18:41,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:18:41,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:18:41,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:18:41,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:18:41,942 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:18:41,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:18:41,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:18:41,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:18:41,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:18:41,944 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:18:41,944 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:18:41,945 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_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 [2023-11-29 05:18:42,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:18:42,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:18:42,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:18:42,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:18:42,203 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:18:42,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2023-11-29 05:18:44,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:18:45,189 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:18:45,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2023-11-29 05:18:45,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/data/1f5e3d8d7/5e26f2950fd44b24943d4c6097b007e8/FLAG8438804a4 [2023-11-29 05:18:45,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/data/1f5e3d8d7/5e26f2950fd44b24943d4c6097b007e8 [2023-11-29 05:18:45,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:18:45,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:18:45,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:18:45,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:18:45,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:18:45,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439dd9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45, skipping insertion in model container [2023-11-29 05:18:45,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:18:45,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:18:45,523 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:18:45,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-29 05:18:45,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2023-11-29 05:18:45,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [501] [2023-11-29 05:18:45,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] [2023-11-29 05:18:45,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [668] [2023-11-29 05:18:45,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [805] [2023-11-29 05:18:45,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [832] [2023-11-29 05:18:45,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [841] [2023-11-29 05:18:45,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:18:45,609 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:18:45,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45 WrapperNode [2023-11-29 05:18:45,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:18:45,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:18:45,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:18:45,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:18:45,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,658 INFO L138 Inliner]: procedures = 50, calls = 93, calls flagged for inlining = 46, calls inlined = 50, statements flattened = 309 [2023-11-29 05:18:45,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:18:45,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:18:45,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:18:45,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:18:45,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,688 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:18:45,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:18:45,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:18:45,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:18:45,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:18:45,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (1/1) ... [2023-11-29 05:18:45,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:18:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:18:45,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:18:45,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:18:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:18:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:18:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:18:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:18:45,845 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:18:45,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:18:46,100 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:18:46,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:18:46,114 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:18:46,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:18:46 BoogieIcfgContainer [2023-11-29 05:18:46,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:18:46,117 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:18:46,117 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:18:46,121 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:18:46,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:18:46,122 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:18:45" (1/3) ... [2023-11-29 05:18:46,124 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@aa59a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:18:46, skipping insertion in model container [2023-11-29 05:18:46,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:18:46,124 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:18:45" (2/3) ... [2023-11-29 05:18:46,125 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@aa59a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:18:46, skipping insertion in model container [2023-11-29 05:18:46,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:18:46,125 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:18:46" (3/3) ... [2023-11-29 05:18:46,127 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2023-11-29 05:18:46,207 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:18:46,207 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:18:46,207 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:18:46,207 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:18:46,207 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:18:46,208 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:18:46,208 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:18:46,208 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:18:46,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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) [2023-11-29 05:18:46,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2023-11-29 05:18:46,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:18:46,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:18:46,237 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:18:46,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:18:46,237 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:18:46,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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) [2023-11-29 05:18:46,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2023-11-29 05:18:46,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:18:46,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:18:46,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:18:46,245 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:18:46,250 INFO L748 eck$LassoCheckResult]: Stem: 23#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 67#valid_product_returnLabel#1true main_#t~ret32#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 34#L590true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 57#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 29#L614-2true [2023-11-29 05:18:46,251 INFO L750 eck$LassoCheckResult]: Loop: 29#L614-2true assume !false; 9#L615true assume test_~splverifierCounter~0#1 < 4; 79#L616true havoc test_#t~nondet33#1;test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 30#L624true assume !(0 != test_~tmp~4#1); 8#L624-2true havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 71#L634true assume !(0 != test_~tmp___0~0#1); 74#L634-2true havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 81#L644true assume 0 != test_~tmp___2~0#1; 58#L650-2true assume { :begin_inline_timeShift } true; 94#L680true assume !(0 != ~pumpRunning~0); 95#L680-2true assume !(0 != ~systemActive~0); 90#L687-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 46#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret47#1;havoc __utac_acc__Specification4_spec__1_#t~ret47#1; 63#L815true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 21#L815-1true havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 47#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 29#L614-2true [2023-11-29 05:18:46,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:46,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-29 05:18:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:46,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986319282] [2023-11-29 05:18:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:18:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:18:46,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1035968378, now seen corresponding path program 1 times [2023-11-29 05:18:46,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:46,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754911239] [2023-11-29 05:18:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:18:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:18:46,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:46,427 INFO L85 PathProgramCache]: Analyzing trace with hash 319450698, now seen corresponding path program 1 times [2023-11-29 05:18:46,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:46,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533509416] [2023-11-29 05:18:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:18:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:18:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:18:46,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533509416] [2023-11-29 05:18:46,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533509416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:18:46,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:18:46,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:18:46,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373178380] [2023-11-29 05:18:46,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:18:46,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:18:46,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:18:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:18:46,760 INFO L87 Difference]: Start difference. First operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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) [2023-11-29 05:18:46,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:18:46,824 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2023-11-29 05:18:46,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2023-11-29 05:18:46,829 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2023-11-29 05:18:46,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2023-11-29 05:18:46,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2023-11-29 05:18:46,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2023-11-29 05:18:46,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2023-11-29 05:18:46,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:18:46,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2023-11-29 05:18:46,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2023-11-29 05:18:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-29 05:18:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 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) [2023-11-29 05:18:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2023-11-29 05:18:46,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2023-11-29 05:18:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:18:46,875 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2023-11-29 05:18:46,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:18:46,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2023-11-29 05:18:46,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2023-11-29 05:18:46,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:18:46,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:18:46,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:18:46,879 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] [2023-11-29 05:18:46,879 INFO L748 eck$LassoCheckResult]: Stem: 271#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 254#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 255#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 252#valid_product_returnLabel#1 main_#t~ret32#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 253#L590 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 216#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 217#L614-2 [2023-11-29 05:18:46,879 INFO L750 eck$LassoCheckResult]: Loop: 217#L614-2 assume !false; 231#L615 assume test_~splverifierCounter~0#1 < 4; 232#L616 havoc test_#t~nondet33#1;test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 275#L624 assume !(0 != test_~tmp~4#1); 227#L624-2 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 228#L634 assume !(0 != test_~tmp___0~0#1); 259#L634-2 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 265#L644 assume 0 != test_~tmp___2~0#1; 214#L650-2 assume { :begin_inline_timeShift } true; 215#L680 assume !(0 != ~pumpRunning~0); 268#L680-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 292#L712 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 224#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 225#L712-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 226#L687-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 287#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret47#1;havoc __utac_acc__Specification4_spec__1_#t~ret47#1; 234#L815 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 236#L815-1 havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 266#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 217#L614-2 [2023-11-29 05:18:46,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:46,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-29 05:18:46,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:46,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869313816] [2023-11-29 05:18:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:18:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:18:46,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2086244955, now seen corresponding path program 1 times [2023-11-29 05:18:46,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:46,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75912602] [2023-11-29 05:18:46,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:46,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:18:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:18:46,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:46,919 INFO L85 PathProgramCache]: Analyzing trace with hash 215898465, now seen corresponding path program 1 times [2023-11-29 05:18:46,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:46,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171262665] [2023-11-29 05:18:46,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:18:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:46,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:18:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:47,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:18:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:18:48,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:18:48 BoogieIcfgContainer [2023-11-29 05:18:48,016 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:18:48,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:18:48,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:18:48,018 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:18:48,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:18:46" (3/4) ... [2023-11-29 05:18:48,019 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 05:18:48,074 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:18:48,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:18:48,075 INFO L158 Benchmark]: Toolchain (without parser) took 2857.61ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 119.7MB in the beginning and 139.4MB in the end (delta: -19.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-29 05:18:48,075 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:18:48,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.93ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 101.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:18:48,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 98.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:18:48,076 INFO L158 Benchmark]: Boogie Preprocessor took 47.48ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 95.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:18:48,077 INFO L158 Benchmark]: RCFGBuilder took 408.61ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 79.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:18:48,077 INFO L158 Benchmark]: BuchiAutomizer took 1899.60ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 79.4MB in the beginning and 141.5MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:18:48,078 INFO L158 Benchmark]: Witness Printer took 56.76ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 139.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:18:48,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.93ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 101.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 98.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.48ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 95.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.61ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 79.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1899.60ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 79.4MB in the beginning and 141.5MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.76ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 139.4MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [501] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] - GenericResultAtLocation [Line: 668]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [668] - GenericResultAtLocation [Line: 805]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [805] - GenericResultAtLocation [Line: 832]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [832] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.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 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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, 433 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 433 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 9 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: 614]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L502] int cleanupTimeShifts = 4; [L672] int pumpRunning = 0; [L673] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L581] int retValue_acc ; [L582] int tmp ; [L586] FCALL select_helpers() [L587] FCALL select_features() [L588] CALL, EXPR valid_product() [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L588] RET, EXPR valid_product() [L588] tmp = valid_product() [L590] COND TRUE \read(tmp) [L592] FCALL setup() [L593] CALL runTest() [L572] CALL test() [L605] int splverifierCounter ; [L606] int tmp ; [L607] int tmp___0 ; [L608] int tmp___1 ; [L609] int tmp___2 ; [L612] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L614] COND TRUE 1 [L616] COND TRUE splverifierCounter < 4 [L622] tmp = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp)) [L632] tmp___0 = __VERIFIER_nondet_int() [L634] COND FALSE !(\read(tmp___0)) [L642] tmp___2 = __VERIFIER_nondet_int() [L644] COND TRUE \read(tmp___2) [L657] CALL timeShift() [L680] COND FALSE !(\read(pumpRunning)) [L687] COND TRUE \read(systemActive) [L689] CALL processEnvironment() [L709] int tmp ; [L712] COND FALSE !(\read(pumpRunning)) [L727] FCALL processEnvironment__wrappee__base() [L689] RET processEnvironment() [L695] CALL __utac_acc__Specification4_spec__1() [L808] int tmp ; [L809] int tmp___0 ; [L813] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L813] RET, EXPR getWaterLevel() [L813] tmp = getWaterLevel() [L815] COND FALSE !(tmp == 0) [L695] RET __utac_acc__Specification4_spec__1() [L657] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 614]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L502] int cleanupTimeShifts = 4; [L672] int pumpRunning = 0; [L673] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L581] int retValue_acc ; [L582] int tmp ; [L586] FCALL select_helpers() [L587] FCALL select_features() [L588] CALL, EXPR valid_product() [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L588] RET, EXPR valid_product() [L588] tmp = valid_product() [L590] COND TRUE \read(tmp) [L592] FCALL setup() [L593] CALL runTest() [L572] CALL test() [L605] int splverifierCounter ; [L606] int tmp ; [L607] int tmp___0 ; [L608] int tmp___1 ; [L609] int tmp___2 ; [L612] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L614] COND TRUE 1 [L616] COND TRUE splverifierCounter < 4 [L622] tmp = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp)) [L632] tmp___0 = __VERIFIER_nondet_int() [L634] COND FALSE !(\read(tmp___0)) [L642] tmp___2 = __VERIFIER_nondet_int() [L644] COND TRUE \read(tmp___2) [L657] CALL timeShift() [L680] COND FALSE !(\read(pumpRunning)) [L687] COND TRUE \read(systemActive) [L689] CALL processEnvironment() [L709] int tmp ; [L712] COND FALSE !(\read(pumpRunning)) [L727] FCALL processEnvironment__wrappee__base() [L689] RET processEnvironment() [L695] CALL __utac_acc__Specification4_spec__1() [L808] int tmp ; [L809] int tmp___0 ; [L813] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L813] RET, EXPR getWaterLevel() [L813] tmp = getWaterLevel() [L815] COND FALSE !(tmp == 0) [L695] RET __utac_acc__Specification4_spec__1() [L657] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-29 05:18:48,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f887592-ab01-4ebc-9342-1c003a08be93/bin/uautomizer-verify-BQ2R08f2Ya/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)