./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:28:16,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:28:16,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 16:28:16,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:28:16,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:28:16,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:28:16,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:28:16,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:28:16,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:28:16,708 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:28:16,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:28:16,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:28:16,710 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:28:16,711 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:28:16,711 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:28:16,712 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:28:16,712 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:28:16,713 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:28:16,713 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:28:16,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:28:16,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:28:16,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:28:16,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:28:16,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:28:16,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:28:16,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:28:16,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:28:16,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:28:16,719 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:28:16,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:28:16,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:28:16,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:28:16,721 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:28:16,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:28:16,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:28:16,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:28:16,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:28:16,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:28:16,724 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:28:16,725 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_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2024-11-08 16:28:17,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:28:17,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:28:17,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:28:17,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:28:17,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:28:17,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c Unable to find full path for "g++" [2024-11-08 16:28:19,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:28:20,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:28:20,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2024-11-08 16:28:20,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/data/2d3a45978/1149396f0a3b40f08726a9b2dc5e605b/FLAG34dc83fba [2024-11-08 16:28:20,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/data/2d3a45978/1149396f0a3b40f08726a9b2dc5e605b [2024-11-08 16:28:20,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:28:20,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:28:20,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:28:20,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:28:20,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:28:20,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:20" (1/1) ... [2024-11-08 16:28:20,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e88f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:20, skipping insertion in model container [2024-11-08 16:28:20,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:20" (1/1) ... [2024-11-08 16:28:20,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:28:20,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:28:20,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:28:20,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-08 16:28:20,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2024-11-08 16:28:20,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [208] [2024-11-08 16:28:20,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [278] [2024-11-08 16:28:20,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [305] [2024-11-08 16:28:20,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [385] [2024-11-08 16:28:20,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] [2024-11-08 16:28:20,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [850] [2024-11-08 16:28:21,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:28:21,089 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:28:21,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21 WrapperNode [2024-11-08 16:28:21,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:28:21,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:28:21,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:28:21,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:28:21,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,178 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 37, statements flattened = 233 [2024-11-08 16:28:21,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:28:21,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:28:21,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:28:21,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:28:21,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,220 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:28:21,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:28:21,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:28:21,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:28:21,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:28:21,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (1/1) ... [2024-11-08 16:28:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:28:21,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:28:21,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:28:21,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:28:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:28:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:28:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:28:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:28:21,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:28:21,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:28:21,810 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-08 16:28:21,810 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:28:21,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:28:21,839 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:28:21,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:21 BoogieIcfgContainer [2024-11-08 16:28:21,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:28:21,842 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:28:21,843 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:28:21,848 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:28:21,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:28:21,851 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:28:20" (1/3) ... [2024-11-08 16:28:21,852 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61722339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:28:21, skipping insertion in model container [2024-11-08 16:28:21,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:28:21,853 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:21" (2/3) ... [2024-11-08 16:28:21,855 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61722339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:28:21, skipping insertion in model container [2024-11-08 16:28:21,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:28:21,857 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:21" (3/3) ... [2024-11-08 16:28:21,860 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2024-11-08 16:28:21,931 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:28:21,931 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:28:21,932 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:28:21,932 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:28:21,932 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:28:21,932 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:28:21,932 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:28:21,932 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:28:21,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:21,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2024-11-08 16:28:21,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:28:21,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:28:21,982 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:21,982 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:21,982 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:28:21,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:21,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2024-11-08 16:28:21,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:28:21,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:28:21,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:22,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:22,007 INFO L745 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 35#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~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; 30#valid_product_returnLabel#1true main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 36#L471true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 20#L222-2true [2024-11-08 16:28:22,008 INFO L747 eck$LassoCheckResult]: Loop: 20#L222-2true assume !false; 75#L223true assume test_~splverifierCounter~0#1 < 4; 21#L224true havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 77#L232true assume !(0 != test_~tmp~1#1); 23#L232-2true havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 73#L242true assume !(0 != test_~tmp___0~0#1); 58#L242-2true havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 55#L252true assume 0 != test_~tmp___2~0#1; 10#L258-2true assume { :begin_inline_timeShift } true; 78#L76true assume !(0 != ~pumpRunning~0); 59#L76-2true assume !(0 != ~systemActive~0); 79#L83-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 68#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 38#L288true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 76#L288-1true havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 69#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 20#L222-2true [2024-11-08 16:28:22,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:22,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 16:28:22,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:22,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915813558] [2024-11-08 16:28:22,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:22,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:22,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:22,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:28:22,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1678820154, now seen corresponding path program 1 times [2024-11-08 16:28:22,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:22,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464585805] [2024-11-08 16:28:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:22,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:22,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:28:22,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash -323401078, now seen corresponding path program 1 times [2024-11-08 16:28:22,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:22,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674965781] [2024-11-08 16:28:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:22,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:22,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:22,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674965781] [2024-11-08 16:28:22,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674965781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:22,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:22,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:28:22,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935309957] [2024-11-08 16:28:22,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:22,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:22,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:22,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:22,990 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:23,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:23,174 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2024-11-08 16:28:23,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2024-11-08 16:28:23,189 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2024-11-08 16:28:23,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2024-11-08 16:28:23,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2024-11-08 16:28:23,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2024-11-08 16:28:23,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2024-11-08 16:28:23,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:28:23,220 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-08 16:28:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2024-11-08 16:28:23,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2024-11-08 16:28:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2024-11-08 16:28:23,265 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2024-11-08 16:28:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:23,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2024-11-08 16:28:23,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:28:23,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2024-11-08 16:28:23,275 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2024-11-08 16:28:23,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:28:23,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:28:23,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:23,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:23,277 INFO L745 eck$LassoCheckResult]: Stem: 359#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 360#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 353#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 354#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; 347#valid_product_returnLabel#1 main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 348#L471 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 309#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 310#L222-2 [2024-11-08 16:28:23,277 INFO L747 eck$LassoCheckResult]: Loop: 310#L222-2 assume !false; 335#L223 assume test_~splverifierCounter~0#1 < 4; 336#L224 havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 337#L232 assume !(0 != test_~tmp~1#1); 312#L232-2 havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 339#L242 assume !(0 != test_~tmp___0~0#1); 338#L242-2 havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 367#L252 assume 0 != test_~tmp___2~0#1; 316#L258-2 assume { :begin_inline_timeShift } true; 317#L76 assume !(0 != ~pumpRunning~0); 334#L76-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 349#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 350#L83-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 373#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 355#L288 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 346#L288-1 havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 374#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 310#L222-2 [2024-11-08 16:28:23,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:23,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 16:28:23,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:23,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36318809] [2024-11-08 16:28:23,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:23,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:23,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:23,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:28:23,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:23,298 INFO L85 PathProgramCache]: Analyzing trace with hash 124202861, now seen corresponding path program 1 times [2024-11-08 16:28:23,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:23,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422559271] [2024-11-08 16:28:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:23,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:23,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:23,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:28:23,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:23,321 INFO L85 PathProgramCache]: Analyzing trace with hash -807478743, now seen corresponding path program 1 times [2024-11-08 16:28:23,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:23,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049630448] [2024-11-08 16:28:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:23,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:23,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:28:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:24,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:24,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:28:24 BoogieIcfgContainer [2024-11-08 16:28:24,561 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:28:24,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:28:24,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:28:24,562 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:28:24,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:21" (3/4) ... [2024-11-08 16:28:24,564 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 16:28:24,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:28:24,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:28:24,640 INFO L158 Benchmark]: Toolchain (without parser) took 4330.58ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 114.0MB in the end (delta: 39.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-08 16:28:24,640 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 77.2MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:28:24,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.79ms. Allocated memory is still 192.9MB. Free memory was 153.4MB in the beginning and 132.5MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 16:28:24,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.69ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:28:24,645 INFO L158 Benchmark]: Boogie Preprocessor took 58.22ms. Allocated memory is still 192.9MB. Free memory was 130.4MB in the beginning and 127.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:28:24,645 INFO L158 Benchmark]: RCFGBuilder took 597.91ms. Allocated memory is still 192.9MB. Free memory was 127.8MB in the beginning and 112.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:28:24,646 INFO L158 Benchmark]: BuchiAutomizer took 2718.58ms. Allocated memory is still 192.9MB. Free memory was 111.5MB in the beginning and 117.1MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:28:24,646 INFO L158 Benchmark]: Witness Printer took 77.80ms. Allocated memory is still 192.9MB. Free memory was 117.1MB in the beginning and 114.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:28:24,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 77.2MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.79ms. Allocated memory is still 192.9MB. Free memory was 153.4MB in the beginning and 132.5MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.69ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.22ms. Allocated memory is still 192.9MB. Free memory was 130.4MB in the beginning and 127.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.91ms. Allocated memory is still 192.9MB. Free memory was 127.8MB in the beginning and 112.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2718.58ms. Allocated memory is still 192.9MB. Free memory was 111.5MB in the beginning and 117.1MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.80ms. Allocated memory is still 192.9MB. Free memory was 117.1MB in the beginning and 114.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 208]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [208] - GenericResultAtLocation [Line: 278]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [278] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [305] - GenericResultAtLocation [Line: 385]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [385] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] - GenericResultAtLocation [Line: 850]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [850] * 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 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 420 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 329 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 36 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: 222]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 222]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:28:24,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba0b42-0934-41d9-bc2b-5a857db2075b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)