./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC --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 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:01:17,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:01:17,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:01:17,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:01:17,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:01:17,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:01:17,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:01:17,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:01:17,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:01:17,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:01:17,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:01:17,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:01:17,818 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:01:17,818 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:01:17,818 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:01:17,818 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:01:17,818 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:01:17,819 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:01:17,821 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:01:17,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:01:17,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:01:17,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:01:17,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:01:17,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:01:17,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:01:17,824 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:01:17,824 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC 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 -> 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 [2024-11-24 01:01:18,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:01:18,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:01:18,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:01:18,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:01:18,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:01:18,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2024-11-24 01:01:21,448 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/data/285b2ef02/5cdbdeae5750466080737b6c89a642c6/FLAG1725ddb4d [2024-11-24 01:01:21,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:01:21,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2024-11-24 01:01:21,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/data/285b2ef02/5cdbdeae5750466080737b6c89a642c6/FLAG1725ddb4d [2024-11-24 01:01:22,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/data/285b2ef02/5cdbdeae5750466080737b6c89a642c6 [2024-11-24 01:01:22,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:01:22,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:01:22,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:01:22,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:01:22,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:01:22,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a32f885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22, skipping insertion in model container [2024-11-24 01:01:22,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:01:22,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:01:22,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:01:22,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-24 01:01:22,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [145] [2024-11-24 01:01:22,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [173] [2024-11-24 01:01:22,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] [2024-11-24 01:01:22,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] [2024-11-24 01:01:22,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2024-11-24 01:01:22,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [914] [2024-11-24 01:01:22,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [949] [2024-11-24 01:01:22,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:01:22,602 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:01:22,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22 WrapperNode [2024-11-24 01:01:22,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:01:22,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:01:22,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:01:22,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:01:22,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,658 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 81, statements flattened = 508 [2024-11-24 01:01:22,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:01:22,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:01:22,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:01:22,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:01:22,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,687 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]. [2024-11-24 01:01:22,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,696 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:01:22,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:01:22,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:01:22,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:01:22,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (1/1) ... [2024-11-24 01:01:22,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:01:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:01:22,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:01:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:01:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:01:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:01:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:01:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:01:22,885 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:01:22,887 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:01:23,506 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-24 01:01:23,506 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:01:23,527 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:01:23,530 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:01:23,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:23 BoogieIcfgContainer [2024-11-24 01:01:23,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:01:23,532 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:01:23,532 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:01:23,539 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:01:23,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:01:23,541 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:01:22" (1/3) ... [2024-11-24 01:01:23,543 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cd53468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:01:23, skipping insertion in model container [2024-11-24 01:01:23,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:01:23,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:22" (2/3) ... [2024-11-24 01:01:23,545 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cd53468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:01:23, skipping insertion in model container [2024-11-24 01:01:23,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:01:23,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:23" (3/3) ... [2024-11-24 01:01:23,547 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2024-11-24 01:01:23,618 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:01:23,619 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:01:23,620 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:01:23,620 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:01:23,620 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:01:23,620 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:01:23,621 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:01:23,621 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:01:23,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 152 states, 151 states have (on average 1.3443708609271523) internal successors, (203), 151 states have internal predecessors, (203), 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) [2024-11-24 01:01:23,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-24 01:01:23,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:01:23,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:01:23,667 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:23,667 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:23,667 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:01:23,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 152 states, 151 states have (on average 1.3443708609271523) internal successors, (203), 151 states have internal predecessors, (203), 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) [2024-11-24 01:01:23,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-24 01:01:23,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:01:23,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:01:23,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:23,676 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:23,681 INFO L747 eck$LassoCheckResult]: Stem: "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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:01:23,681 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet27#1;test_~tmp___1~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:01:23,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:23,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 01:01:23,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:01:23,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398004217] [2024-11-24 01:01:23,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:23,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:23,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:01:23,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:23,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1397734416, now seen corresponding path program 1 times [2024-11-24 01:01:23,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:01:23,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82680488] [2024-11-24 01:01:23,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:23,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:23,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:23,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:01:23,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1541813804, now seen corresponding path program 1 times [2024-11-24 01:01:23,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:01:23,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038692986] [2024-11-24 01:01:23,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:24,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:01:24,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038692986] [2024-11-24 01:01:24,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038692986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:01:24,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34987668] [2024-11-24 01:01:24,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:24,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:01:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:01:24,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:01:24,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:01:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:24,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:01:24,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:24,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:01:24,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34987668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:01:24,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:01:24,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:01:24,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133737461] [2024-11-24 01:01:24,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:01:24,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:01:24,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:01:24,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:01:24,613 INFO L87 Difference]: Start difference. First operand has 152 states, 151 states have (on average 1.3443708609271523) internal successors, (203), 151 states have internal predecessors, (203), 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 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-24 01:01:24,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:24,723 INFO L93 Difference]: Finished difference Result 146 states and 186 transitions. [2024-11-24 01:01:24,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 186 transitions. [2024-11-24 01:01:24,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2024-11-24 01:01:24,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 136 states and 176 transitions. [2024-11-24 01:01:24,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2024-11-24 01:01:24,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2024-11-24 01:01:24,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 176 transitions. [2024-11-24 01:01:24,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:01:24,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 176 transitions. [2024-11-24 01:01:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 176 transitions. [2024-11-24 01:01:24,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-24 01:01:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.2941176470588236) internal successors, (176), 135 states have internal predecessors, (176), 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) [2024-11-24 01:01:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 176 transitions. [2024-11-24 01:01:24,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 176 transitions. [2024-11-24 01:01:24,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:01:24,796 INFO L425 stractBuchiCegarLoop]: Abstraction has 136 states and 176 transitions. [2024-11-24 01:01:24,796 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:01:24,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 176 transitions. [2024-11-24 01:01:24,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2024-11-24 01:01:24,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:01:24,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:01:24,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:24,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:24,800 INFO L747 eck$LassoCheckResult]: Stem: "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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:01:24,800 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet27#1;test_~tmp___1~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:01:24,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:24,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 01:01:24,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:01:24,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232268662] [2024-11-24 01:01:24,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:24,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:24,813 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:24,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:01:24,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:24,825 INFO L85 PathProgramCache]: Analyzing trace with hash -245216522, now seen corresponding path program 1 times [2024-11-24 01:01:24,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:01:24,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875643873] [2024-11-24 01:01:24,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:24,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:24,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:24,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:01:24,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:24,842 INFO L85 PathProgramCache]: Analyzing trace with hash 206452658, now seen corresponding path program 1 times [2024-11-24 01:01:24,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:01:24,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772285573] [2024-11-24 01:01:24,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:24,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:24,862 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:24,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:01:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:26,116 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:26,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:01:26 BoogieIcfgContainer [2024-11-24 01:01:26,198 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:01:26,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:01:26,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:01:26,199 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:01:26,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:23" (3/4) ... [2024-11-24 01:01:26,201 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:01:26,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:01:26,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:01:26,262 INFO L158 Benchmark]: Toolchain (without parser) took 4237.46ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.1MB in the end (delta: 13.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-24 01:01:26,264 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:26,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.58ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 86.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:01:26,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.32ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 83.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:26,265 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 80.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:01:26,266 INFO L158 Benchmark]: RCFGBuilder took 820.11ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 56.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:01:26,266 INFO L158 Benchmark]: BuchiAutomizer took 2666.11ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 94.3MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:26,267 INFO L158 Benchmark]: Witness Printer took 61.72ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 91.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:01:26,269 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.58ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 86.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.32ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 83.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.43ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 80.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 820.11ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 56.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2666.11ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 94.3MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.72ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 91.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [145] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [173] - GenericResultAtLocation [Line: 381]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 914]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [914] - GenericResultAtLocation [Line: 949]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [949] * 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 7 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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, 184 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 536 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 355 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 181 mSDtfsCounter, 20 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: 395]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L179] int pumpRunning = 0; [L180] int systemActive = 1; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L892] int retValue_acc ; [L893] int tmp ; [L897] FCALL select_helpers() [L898] FCALL select_features() [L899] CALL, EXPR valid_product() [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] RET, EXPR valid_product() [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L903] FCALL setup() [L904] CALL runTest() [L883] CALL test() [L384] int splverifierCounter ; [L385] int tmp ; [L386] int tmp___0 ; [L387] int tmp___1 ; [L388] int tmp___2 ; [L391] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L395] COND TRUE splverifierCounter < 4 [L401] tmp = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp)) [L411] tmp___0 = __VERIFIER_nondet_int() [L413] COND FALSE !(\read(tmp___0)) [L421] tmp___2 = __VERIFIER_nondet_int() [L423] COND FALSE !(\read(tmp___2)) [L429] tmp___1 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___1) [L438] CALL timeShift() [L186] COND FALSE !(\read(pumpRunning)) [L193] COND TRUE \read(systemActive) [L195] CALL processEnvironment() [L241] int tmp ; [L244] COND FALSE !(\read(pumpRunning)) [L259] CALL processEnvironment__wrappee__methaneQuery() [L215] int tmp ; [L218] COND FALSE !(\read(pumpRunning)) [L233] FCALL processEnvironment__wrappee__base() [L259] RET processEnvironment__wrappee__methaneQuery() [L195] RET processEnvironment() [L201] CALL __utac_acc__Specification4_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L154] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L154] RET, EXPR getWaterLevel() [L154] tmp = getWaterLevel() [L156] COND FALSE !(tmp == 0) [L201] RET __utac_acc__Specification4_spec__1() [L438] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 395]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L179] int pumpRunning = 0; [L180] int systemActive = 1; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L892] int retValue_acc ; [L893] int tmp ; [L897] FCALL select_helpers() [L898] FCALL select_features() [L899] CALL, EXPR valid_product() [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] RET, EXPR valid_product() [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L903] FCALL setup() [L904] CALL runTest() [L883] CALL test() [L384] int splverifierCounter ; [L385] int tmp ; [L386] int tmp___0 ; [L387] int tmp___1 ; [L388] int tmp___2 ; [L391] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L395] COND TRUE splverifierCounter < 4 [L401] tmp = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp)) [L411] tmp___0 = __VERIFIER_nondet_int() [L413] COND FALSE !(\read(tmp___0)) [L421] tmp___2 = __VERIFIER_nondet_int() [L423] COND FALSE !(\read(tmp___2)) [L429] tmp___1 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___1) [L438] CALL timeShift() [L186] COND FALSE !(\read(pumpRunning)) [L193] COND TRUE \read(systemActive) [L195] CALL processEnvironment() [L241] int tmp ; [L244] COND FALSE !(\read(pumpRunning)) [L259] CALL processEnvironment__wrappee__methaneQuery() [L215] int tmp ; [L218] COND FALSE !(\read(pumpRunning)) [L233] FCALL processEnvironment__wrappee__base() [L259] RET processEnvironment__wrappee__methaneQuery() [L195] RET processEnvironment() [L201] CALL __utac_acc__Specification4_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L154] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L154] RET, EXPR getWaterLevel() [L154] tmp = getWaterLevel() [L156] COND FALSE !(tmp == 0) [L201] RET __utac_acc__Specification4_spec__1() [L438] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:01:26,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:01:26,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a5cf-873b-41b1-b81b-e5edd38880b9/bin/uautomizer-verify-LYvppIcaGC/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)