./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product05.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_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/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_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/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_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/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 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:17:58,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:17:58,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 23:17:58,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:17:58,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:17:58,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:17:58,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:17:58,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:17:58,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:17:58,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:17:58,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:17:58,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:17:58,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:17:58,470 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 23:17:58,470 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 23:17:58,471 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 23:17:58,471 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 23:17:58,471 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 23:17:58,471 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 23:17:58,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:17:58,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 23:17:58,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:17:58,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:17:58,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:17:58,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:17:58,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 23:17:58,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 23:17:58,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 23:17:58,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:17:58,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:17:58,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:17:58,474 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 23:17:58,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:17:58,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:17:58,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:17:58,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:17:58,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:17:58,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 23:17:58,475 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 23:17:58,475 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_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/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 -> 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 [2024-11-23 23:17:58,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:17:58,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:17:58,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:17:58,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:17:58,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:17:58,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2024-11-23 23:18:01,972 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/data/bc9587b7c/390a24f4714846d0947bc1f51c469fa9/FLAGf4941c914 [2024-11-23 23:18:02,396 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:18:02,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2024-11-23 23:18:02,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/data/bc9587b7c/390a24f4714846d0947bc1f51c469fa9/FLAGf4941c914 [2024-11-23 23:18:02,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/data/bc9587b7c/390a24f4714846d0947bc1f51c469fa9 [2024-11-23 23:18:02,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:18:02,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:18:02,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:18:02,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:18:02,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:18:02,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:18:02" (1/1) ... [2024-11-23 23:18:02,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7cd794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:02, skipping insertion in model container [2024-11-23 23:18:02,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:18:02" (1/1) ... [2024-11-23 23:18:02,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:18:02,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:18:02,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:18:02,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-23 23:18:02,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2024-11-23 23:18:02,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [244] [2024-11-23 23:18:02,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [312] [2024-11-23 23:18:02,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [678] [2024-11-23 23:18:02,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] [2024-11-23 23:18:02,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [787] [2024-11-23 23:18:02,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [867] [2024-11-23 23:18:02,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:18:03,005 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:18:03,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03 WrapperNode [2024-11-23 23:18:03,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:18:03,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:18:03,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:18:03,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:18:03,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,087 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 57, statements flattened = 347 [2024-11-23 23:18:03,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:18:03,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:18:03,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:18:03,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:18:03,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,116 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]. [2024-11-23 23:18:03,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:18:03,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:18:03,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:18:03,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:18:03,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (1/1) ... [2024-11-23 23:18:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:18:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:03,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:18:03,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 23:18:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:18:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:18:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:18:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:18:03,315 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:18:03,317 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:18:03,756 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-23 23:18:03,756 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:18:03,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:18:03,772 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:18:03,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:18:03 BoogieIcfgContainer [2024-11-23 23:18:03,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:18:03,774 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 23:18:03,774 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 23:18:03,782 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 23:18:03,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:18:03,783 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:18:02" (1/3) ... [2024-11-23 23:18:03,784 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12626ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:18:03, skipping insertion in model container [2024-11-23 23:18:03,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:18:03,784 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:18:03" (2/3) ... [2024-11-23 23:18:03,785 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12626ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:18:03, skipping insertion in model container [2024-11-23 23:18:03,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:18:03,785 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:18:03" (3/3) ... [2024-11-23 23:18:03,787 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2024-11-23 23:18:03,851 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 23:18:03,851 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 23:18:03,851 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 23:18:03,851 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 23:18:03,852 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 23:18:03,852 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 23:18:03,852 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 23:18:03,852 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 23:18:03,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 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) [2024-11-23 23:18:03,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-23 23:18:03,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:18:03,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:18:03,895 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:03,895 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:03,895 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 23:18:03,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 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) [2024-11-23 23:18:03,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-23 23:18:03,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:18:03,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:18:03,905 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:03,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:03,911 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#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~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;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:18:03,912 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet17#1;test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:18:03,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:03,919 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-23 23:18:03,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:03,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154278048] [2024-11-23 23:18:03,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:03,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:04,069 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:04,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:04,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:04,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1235466754, now seen corresponding path program 1 times [2024-11-23 23:18:04,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:04,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40941887] [2024-11-23 23:18:04,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:04,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:04,148 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:04,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:04,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:04,170 INFO L85 PathProgramCache]: Analyzing trace with hash 499525177, now seen corresponding path program 1 times [2024-11-23 23:18:04,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490819143] [2024-11-23 23:18:04,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:04,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:18:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490819143] [2024-11-23 23:18:04,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490819143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:04,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330769999] [2024-11-23 23:18:04,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:04,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:04,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:04,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:04,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:18:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:04,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:18:04,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:04,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:18:04,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330769999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:18:04,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:18:04,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-23 23:18:04,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543822772] [2024-11-23 23:18:04,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:18:05,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:18:05,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:18:05,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:18:05,127 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 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 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 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) [2024-11-23 23:18:05,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:05,247 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2024-11-23 23:18:05,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2024-11-23 23:18:05,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-23 23:18:05,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2024-11-23 23:18:05,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2024-11-23 23:18:05,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2024-11-23 23:18:05,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2024-11-23 23:18:05,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:18:05,266 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-11-23 23:18:05,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2024-11-23 23:18:05,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-23 23:18:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 90 states have internal predecessors, (116), 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) [2024-11-23 23:18:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2024-11-23 23:18:05,308 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-11-23 23:18:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:18:05,319 INFO L425 stractBuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-11-23 23:18:05,319 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 23:18:05,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2024-11-23 23:18:05,321 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-23 23:18:05,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:18:05,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:18:05,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:05,325 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] [2024-11-23 23:18:05,325 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#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~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;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:18:05,325 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet17#1;test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:18:05,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:05,327 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-23 23:18:05,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:05,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224322285] [2024-11-23 23:18:05,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:05,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:05,353 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:05,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:05,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1149460871, now seen corresponding path program 1 times [2024-11-23 23:18:05,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:05,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571151719] [2024-11-23 23:18:05,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:05,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:05,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:05,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:05,407 INFO L85 PathProgramCache]: Analyzing trace with hash 223064802, now seen corresponding path program 1 times [2024-11-23 23:18:05,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:05,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131827100] [2024-11-23 23:18:05,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:05,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:18:05,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131827100] [2024-11-23 23:18:05,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131827100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:18:05,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938036025] [2024-11-23 23:18:05,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:05,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:18:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:18:05,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:18:05,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:18:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:18:05,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:18:05,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:18:05,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:18:05,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938036025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:18:05,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:18:05,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-23 23:18:05,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221543398] [2024-11-23 23:18:05,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:18:05,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:18:05,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:18:05,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:18:05,996 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-23 23:18:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:18:06,170 INFO L93 Difference]: Finished difference Result 173 states and 219 transitions. [2024-11-23 23:18:06,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173 states and 219 transitions. [2024-11-23 23:18:06,177 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2024-11-23 23:18:06,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173 states to 173 states and 219 transitions. [2024-11-23 23:18:06,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2024-11-23 23:18:06,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 173 [2024-11-23 23:18:06,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 173 states and 219 transitions. [2024-11-23 23:18:06,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:18:06,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-23 23:18:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states and 219 transitions. [2024-11-23 23:18:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-23 23:18:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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) [2024-11-23 23:18:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-23 23:18:06,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-23 23:18:06,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:18:06,215 INFO L425 stractBuchiCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-23 23:18:06,216 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 23:18:06,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 219 transitions. [2024-11-23 23:18:06,219 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2024-11-23 23:18:06,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:18:06,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:18:06,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:06,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:18:06,222 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#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~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;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:18:06,222 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet17#1;test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:18:06,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:06,223 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-23 23:18:06,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:06,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892391899] [2024-11-23 23:18:06,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:06,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:06,248 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:06,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:06,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:06,267 INFO L85 PathProgramCache]: Analyzing trace with hash -846307468, now seen corresponding path program 1 times [2024-11-23 23:18:06,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:06,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505613431] [2024-11-23 23:18:06,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:06,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:06,285 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:06,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:06,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:18:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash -404095587, now seen corresponding path program 1 times [2024-11-23 23:18:06,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:18:06,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484442010] [2024-11-23 23:18:06,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:18:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:18:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:06,332 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:06,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:18:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:07,809 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:18:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:18:07,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:18:07 BoogieIcfgContainer [2024-11-23 23:18:07,900 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 23:18:07,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:18:07,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:18:07,902 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:18:07,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:18:03" (3/4) ... [2024-11-23 23:18:07,906 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 23:18:07,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:18:07,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:18:07,977 INFO L158 Benchmark]: Toolchain (without parser) took 5539.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 171.1MB in the end (delta: -77.3MB). Peak memory consumption was 158.4MB. Max. memory is 16.1GB. [2024-11-23 23:18:07,978 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:18:07,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.42ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 75.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:18:07,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.77ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:18:07,981 INFO L158 Benchmark]: Boogie Preprocessor took 54.52ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:18:07,981 INFO L158 Benchmark]: RCFGBuilder took 629.32ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 52.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:18:07,982 INFO L158 Benchmark]: BuchiAutomizer took 4126.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.6MB in the beginning and 174.0MB in the end (delta: -121.5MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2024-11-23 23:18:07,983 INFO L158 Benchmark]: Witness Printer took 75.25ms. Allocated memory is still 352.3MB. Free memory was 174.0MB in the beginning and 171.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:18:07,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.42ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 75.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.77ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.52ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 629.32ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 52.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4126.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.6MB in the beginning and 174.0MB in the end (delta: -121.5MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Witness Printer took 75.25ms. Allocated memory is still 352.3MB. Free memory was 174.0MB in the beginning and 171.1MB in the end (delta: 2.9MB). 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 244]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [244] - GenericResultAtLocation [Line: 312]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [312] - GenericResultAtLocation [Line: 678]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [678] - GenericResultAtLocation [Line: 687]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] - GenericResultAtLocation [Line: 787]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [787] - GenericResultAtLocation [Line: 867]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [867] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 173 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 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, 425 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 754 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 531 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 223 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 260]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L109] int pumpRunning = 0; [L110] int systemActive = 1; [L482] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L688] int cleanupTimeShifts = 4; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; [L770] FCALL select_helpers() [L771] FCALL select_features() [L772] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L772] RET, EXPR valid_product() [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L776] FCALL setup() [L777] CALL runTest() [L755] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L755] RET __utac_acc__Specification5_spec__1() [L756] CALL test() [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L301] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L148] int tmp ; [L151] COND FALSE !(\read(pumpRunning)) [L166] FCALL processEnvironment__wrappee__base() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L301] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 260]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L109] int pumpRunning = 0; [L110] int systemActive = 1; [L482] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L688] int cleanupTimeShifts = 4; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; [L770] FCALL select_helpers() [L771] FCALL select_features() [L772] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L772] RET, EXPR valid_product() [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L776] FCALL setup() [L777] CALL runTest() [L755] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L755] RET __utac_acc__Specification5_spec__1() [L756] CALL test() [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L301] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L148] int tmp ; [L151] COND FALSE !(\read(pumpRunning)) [L166] FCALL processEnvironment__wrappee__base() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L301] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 23:18:08,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:18:08,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:18:08,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571c7b31-1e2e-4305-bd8c-3e847fcfc1f5/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)