./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product08.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_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/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_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/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_86da3e59-4c69-401c-8e14-ef35de92888e/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 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:11:52,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:11:52,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:11:52,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:11:52,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:11:53,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:11:53,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:11:53,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:11:53,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:11:53,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:11:53,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:11:53,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:11:53,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:11:53,035 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:11:53,035 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:11:53,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:11:53,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:11:53,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:11:53,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:11:53,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:11:53,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:11:53,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:11:53,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:11:53,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:11:53,039 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:11:53,039 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:11:53,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:11:53,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:11:53,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:11:53,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:11:53,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:11:53,040 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:11:53,041 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_86da3e59-4c69-401c-8e14-ef35de92888e/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 -> 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe [2024-11-24 00:11:53,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:11:53,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:11:53,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:11:53,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:11:53,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:11:53,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2024-11-24 00:11:57,160 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/data/2981df057/5edf549be8c24ccd9a01aaa531c37700/FLAG277c1638a [2024-11-24 00:11:57,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:11:57,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2024-11-24 00:11:57,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/data/2981df057/5edf549be8c24ccd9a01aaa531c37700/FLAG277c1638a [2024-11-24 00:11:57,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/data/2981df057/5edf549be8c24ccd9a01aaa531c37700 [2024-11-24 00:11:57,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:11:57,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:11:57,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:11:57,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:11:57,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:11:57,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65337601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:57, skipping insertion in model container [2024-11-24 00:11:57,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:11:57" (1/1) ... [2024-11-24 00:11:57,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:11:58,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:11:58,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:11:58,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-24 00:11:58,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] [2024-11-24 00:11:58,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] [2024-11-24 00:11:58,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] [2024-11-24 00:11:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] [2024-11-24 00:11:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] [2024-11-24 00:11:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] [2024-11-24 00:11:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] [2024-11-24 00:11:58,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:11:58,235 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:11:58,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58 WrapperNode [2024-11-24 00:11:58,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:11:58,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:11:58,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:11:58,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:11:58,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,324 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 60, statements flattened = 357 [2024-11-24 00:11:58,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:11:58,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:11:58,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:11:58,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:11:58,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,376 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 00:11:58,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:11:58,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:11:58,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:11:58,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:11:58,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (1/1) ... [2024-11-24 00:11:58,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:11:58,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:11:58,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:11:58,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:11:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:11:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:11:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:11:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:11:58,634 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:11:58,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:11:59,213 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-24 00:11:59,213 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:11:59,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:11:59,238 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:11:59,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:59 BoogieIcfgContainer [2024-11-24 00:11:59,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:11:59,240 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:11:59,241 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:11:59,248 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:11:59,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:11:59,250 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:11:57" (1/3) ... [2024-11-24 00:11:59,251 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44ad9af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:11:59, skipping insertion in model container [2024-11-24 00:11:59,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:11:59,252 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:11:58" (2/3) ... [2024-11-24 00:11:59,252 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44ad9af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:11:59, skipping insertion in model container [2024-11-24 00:11:59,252 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:11:59,252 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:59" (3/3) ... [2024-11-24 00:11:59,254 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2024-11-24 00:11:59,326 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:11:59,327 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:11:59,327 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:11:59,327 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:11:59,327 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:11:59,328 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:11:59,328 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:11:59,328 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:11:59,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 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 00:11:59,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-24 00:11:59,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:11:59,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:11:59,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:59,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:59,377 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:11:59,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 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 00:11:59,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-24 00:11:59,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:11:59,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:11:59,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:59,393 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:11:59,400 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret18#1;havoc main_#t~ret18#1;" "assume 0 != main_~tmp~2#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~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:11:59,400 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret20#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~ret20#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret20#1;havoc __utac_acc__Specification5_spec__2_#t~ret20#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret20#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~ret21#1, __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret21#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret21#1;havoc __utac_acc__Specification5_spec__3_#t~ret21#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:11:59,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 00:11:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:11:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416148140] [2024-11-24 00:11:59,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:11:59,533 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:11:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:11:59,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:11:59,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:11:59,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1186748791, now seen corresponding path program 1 times [2024-11-24 00:11:59,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:11:59,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008996239] [2024-11-24 00:11:59,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:11:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:59,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:11:59,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008996239] [2024-11-24 00:11:59,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008996239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:11:59,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222437410] [2024-11-24 00:11:59,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:11:59,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:11:59,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:11:59,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:11:59,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:11:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:11:59,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:11:59,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:11:59,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:11:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222437410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:11:59,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:11:59,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:11:59,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395193619] [2024-11-24 00:11:59,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:11:59,918 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:11:59,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:11:59,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:11:59,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:11:59,958 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 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 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 00:12:00,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:00,047 INFO L93 Difference]: Finished difference Result 202 states and 258 transitions. [2024-11-24 00:12:00,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 258 transitions. [2024-11-24 00:12:00,054 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2024-11-24 00:12:00,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 182 states and 237 transitions. [2024-11-24 00:12:00,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2024-11-24 00:12:00,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 182 [2024-11-24 00:12:00,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 237 transitions. [2024-11-24 00:12:00,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:12:00,069 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 237 transitions. [2024-11-24 00:12:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 237 transitions. [2024-11-24 00:12:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2024-11-24 00:12:00,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.3016759776536313) internal successors, (233), 178 states have internal predecessors, (233), 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 00:12:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-24 00:12:00,133 INFO L240 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-24 00:12:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:12:00,141 INFO L425 stractBuchiCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-24 00:12:00,141 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:12:00,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 233 transitions. [2024-11-24 00:12:00,146 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2024-11-24 00:12:00,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:12:00,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:12:00,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:00,151 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 00:12:00,151 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret18#1;havoc main_#t~ret18#1;" "assume 0 != main_~tmp~2#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~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:12:00,155 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret20#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~ret20#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret20#1;havoc __utac_acc__Specification5_spec__2_#t~ret20#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret20#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~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret21#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret21#1;havoc __utac_acc__Specification5_spec__3_#t~ret21#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:12:00,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:00,156 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 00:12:00,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:00,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782185605] [2024-11-24 00:12:00,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:00,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:00,223 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:00,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:00,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:00,253 INFO L85 PathProgramCache]: Analyzing trace with hash -807337647, now seen corresponding path program 1 times [2024-11-24 00:12:00,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:00,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553094856] [2024-11-24 00:12:00,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:00,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:00,272 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:00,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:00,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:00,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1208714744, now seen corresponding path program 1 times [2024-11-24 00:12:00,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:00,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575922800] [2024-11-24 00:12:00,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:00,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:00,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:12:00,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575922800] [2024-11-24 00:12:00,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575922800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:00,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032376962] [2024-11-24 00:12:00,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:00,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:12:00,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:00,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:12:00,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:12:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:00,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:12:00,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:00,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032376962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:12:00,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:12:00,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-24 00:12:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731515926] [2024-11-24 00:12:00,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:12:01,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:12:01,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:12:01,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:12:01,125 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 00:12:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:01,317 INFO L93 Difference]: Finished difference Result 348 states and 448 transitions. [2024-11-24 00:12:01,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 348 states and 448 transitions. [2024-11-24 00:12:01,322 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 248 [2024-11-24 00:12:01,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 348 states to 348 states and 448 transitions. [2024-11-24 00:12:01,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 348 [2024-11-24 00:12:01,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 348 [2024-11-24 00:12:01,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 348 states and 448 transitions. [2024-11-24 00:12:01,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:12:01,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 348 states and 448 transitions. [2024-11-24 00:12:01,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states and 448 transitions. [2024-11-24 00:12:01,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-11-24 00:12:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 348 states have (on average 1.2873563218390804) internal successors, (448), 347 states have internal predecessors, (448), 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 00:12:01,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2024-11-24 00:12:01,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 348 states and 448 transitions. [2024-11-24 00:12:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:12:01,353 INFO L425 stractBuchiCegarLoop]: Abstraction has 348 states and 448 transitions. [2024-11-24 00:12:01,353 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:12:01,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 348 states and 448 transitions. [2024-11-24 00:12:01,356 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 248 [2024-11-24 00:12:01,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:12:01,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:12:01,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:12:01,357 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, 1] [2024-11-24 00:12:01,358 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret18#1;havoc main_#t~ret18#1;" "assume 0 != main_~tmp~2#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~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:12:01,358 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret20#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~ret20#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret20#1;havoc __utac_acc__Specification5_spec__2_#t~ret20#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret20#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~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret21#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret21#1;havoc __utac_acc__Specification5_spec__3_#t~ret21#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#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~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:12:01,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:01,358 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-24 00:12:01,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:01,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306933250] [2024-11-24 00:12:01,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:01,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:01,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:01,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:01,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:01,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1516596716, now seen corresponding path program 1 times [2024-11-24 00:12:01,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:01,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132506545] [2024-11-24 00:12:01,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:01,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:01,414 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:01,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:01,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:01,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1954704157, now seen corresponding path program 1 times [2024-11-24 00:12:01,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:01,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566895340] [2024-11-24 00:12:01,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:01,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:01,439 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:01,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:03,058 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:03,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:12:03 BoogieIcfgContainer [2024-11-24 00:12:03,156 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:12:03,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:12:03,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:12:03,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:12:03,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:11:59" (3/4) ... [2024-11-24 00:12:03,162 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:12:03,246 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:12:03,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:12:03,249 INFO L158 Benchmark]: Toolchain (without parser) took 5595.31ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 103.3MB in the beginning and 283.6MB in the end (delta: -180.3MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-24 00:12:03,250 INFO L158 Benchmark]: CDTParser took 0.92ms. 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 00:12:03,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.42ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 85.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:12:03,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.00ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:12:03,251 INFO L158 Benchmark]: Boogie Preprocessor took 90.26ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:12:03,251 INFO L158 Benchmark]: RCFGBuilder took 820.33ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 61.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:12:03,252 INFO L158 Benchmark]: BuchiAutomizer took 3915.73ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 61.7MB in the beginning and 286.0MB in the end (delta: -224.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-24 00:12:03,252 INFO L158 Benchmark]: Witness Printer took 88.99ms. Allocated memory is still 369.1MB. Free memory was 286.0MB in the beginning and 283.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:12:03,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.42ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 85.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.00ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.26ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 820.33ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 61.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3915.73ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 61.7MB in the beginning and 286.0MB in the end (delta: -224.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 88.99ms. Allocated memory is still 369.1MB. Free memory was 286.0MB in the beginning and 283.6MB in the end (delta: 2.3MB). There was no memory consumed. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] - GenericResultAtLocation [Line: 479]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] - GenericResultAtLocation [Line: 845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] * 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 5 locations. The remainder module has 348 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 689 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 443 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 246 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 236]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L293] int cleanupTimeShifts = 4; [L431] int switchedOnBeforeTS ; [L649] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L855] int waterLevel = 1; [L856] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L371] int retValue_acc ; [L372] int tmp ; [L376] FCALL select_helpers() [L377] FCALL select_features() [L378] CALL, EXPR valid_product() [L420] int retValue_acc ; [L423] retValue_acc = 1 [L424] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L378] RET, EXPR valid_product() [L378] tmp = valid_product() [L380] COND TRUE \read(tmp) [L382] FCALL setup() [L383] CALL runTest() [L361] CALL __utac_acc__Specification5_spec__1() [L436] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L361] RET __utac_acc__Specification5_spec__1() [L362] CALL test() [L225] int splverifierCounter ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L232] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L236] COND TRUE splverifierCounter < 4 [L242] tmp = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp)) [L252] tmp___0 = __VERIFIER_nondet_int() [L254] COND FALSE !(\read(tmp___0)) [L262] tmp___2 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___2) [L266] CALL startSystem() [L216] systemActive = 1 [L266] RET startSystem() [L281] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L445] CALL, EXPR isPumpRunning() [L153] int retValue_acc ; [L156] retValue_acc = pumpRunning [L157] return (retValue_acc); [L445] RET, EXPR isPumpRunning() [L445] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L451] int tmp ; [L452] int tmp___0 ; [L456] CALL, EXPR getWaterLevel() [L926] int retValue_acc ; [L929] retValue_acc = waterLevel [L930] return (retValue_acc); [L456] RET, EXPR getWaterLevel() [L456] tmp = getWaterLevel() [L458] COND TRUE tmp != 2 [L460] CALL, EXPR isPumpRunning() [L153] int retValue_acc ; [L156] retValue_acc = pumpRunning [L157] return (retValue_acc); [L460] RET, EXPR isPumpRunning() [L460] tmp___0 = isPumpRunning() [L462] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L281] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 236]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L293] int cleanupTimeShifts = 4; [L431] int switchedOnBeforeTS ; [L649] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L855] int waterLevel = 1; [L856] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L371] int retValue_acc ; [L372] int tmp ; [L376] FCALL select_helpers() [L377] FCALL select_features() [L378] CALL, EXPR valid_product() [L420] int retValue_acc ; [L423] retValue_acc = 1 [L424] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L378] RET, EXPR valid_product() [L378] tmp = valid_product() [L380] COND TRUE \read(tmp) [L382] FCALL setup() [L383] CALL runTest() [L361] CALL __utac_acc__Specification5_spec__1() [L436] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L361] RET __utac_acc__Specification5_spec__1() [L362] CALL test() [L225] int splverifierCounter ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L232] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L236] COND TRUE splverifierCounter < 4 [L242] tmp = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp)) [L252] tmp___0 = __VERIFIER_nondet_int() [L254] COND FALSE !(\read(tmp___0)) [L262] tmp___2 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___2) [L266] CALL startSystem() [L216] systemActive = 1 [L266] RET startSystem() [L281] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L445] CALL, EXPR isPumpRunning() [L153] int retValue_acc ; [L156] retValue_acc = pumpRunning [L157] return (retValue_acc); [L445] RET, EXPR isPumpRunning() [L445] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L451] int tmp ; [L452] int tmp___0 ; [L456] CALL, EXPR getWaterLevel() [L926] int retValue_acc ; [L929] retValue_acc = waterLevel [L930] return (retValue_acc); [L456] RET, EXPR getWaterLevel() [L456] tmp = getWaterLevel() [L458] COND TRUE tmp != 2 [L460] CALL, EXPR isPumpRunning() [L153] int retValue_acc ; [L156] retValue_acc = pumpRunning [L157] return (retValue_acc); [L460] RET, EXPR isPumpRunning() [L460] tmp___0 = isPumpRunning() [L462] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L281] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:12:03,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:12:03,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:12:03,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86da3e59-4c69-401c-8e14-ef35de92888e/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)