./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB --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 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:37:13,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:37:13,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:37:13,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:37:13,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:37:13,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:37:13,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:37:13,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:37:13,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:37:13,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:37:13,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:37:13,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:37:13,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:37:13,842 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:37:13,843 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:37:13,843 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:37:13,843 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:37:13,843 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:37:13,843 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:37:13,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:37:13,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:37:13,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:37:13,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:37:13,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:37:13,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:37:13,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:37:13,846 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:37:13,846 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_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea [2024-11-28 03:37:14,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:37:14,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:37:14,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:37:14,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:37:14,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:37:14,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2024-11-28 03:37:17,235 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/data/d7acf0298/9cd69f6a38364d69b2ad47f594f0699f/FLAG389818ef0 [2024-11-28 03:37:17,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:37:17,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2024-11-28 03:37:17,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/data/d7acf0298/9cd69f6a38364d69b2ad47f594f0699f/FLAG389818ef0 [2024-11-28 03:37:17,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/data/d7acf0298/9cd69f6a38364d69b2ad47f594f0699f [2024-11-28 03:37:17,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:37:17,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:37:17,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:37:17,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:37:17,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:37:17,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:17" (1/1) ... [2024-11-28 03:37:17,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f9f381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17, skipping insertion in model container [2024-11-28 03:37:17,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:17" (1/1) ... [2024-11-28 03:37:17,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:37:18,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:37:18,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:37:18,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-28 03:37:18,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] [2024-11-28 03:37:18,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] [2024-11-28 03:37:18,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] [2024-11-28 03:37:18,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2024-11-28 03:37:18,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] [2024-11-28 03:37:18,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2024-11-28 03:37:18,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] [2024-11-28 03:37:18,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:37:18,182 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:37:18,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18 WrapperNode [2024-11-28 03:37:18,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:37:18,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:37:18,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:37:18,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:37:18,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,258 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 60, statements flattened = 375 [2024-11-28 03:37:18,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:37:18,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:37:18,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:37:18,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:37:18,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,290 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]. [2024-11-28 03:37:18,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:37:18,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:37:18,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:37:18,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:37:18,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (1/1) ... [2024-11-28 03:37:18,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:37:18,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:37:18,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:37:18,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:37:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:37:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:37:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:37:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:37:18,504 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:37:18,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:37:18,927 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-28 03:37:18,927 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:37:18,940 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:37:18,940 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:37:18,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:18 BoogieIcfgContainer [2024-11-28 03:37:18,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:37:18,942 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:37:18,942 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:37:18,949 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:37:18,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:37:18,950 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:37:17" (1/3) ... [2024-11-28 03:37:18,952 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ece04df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:18, skipping insertion in model container [2024-11-28 03:37:18,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:37:18,952 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:18" (2/3) ... [2024-11-28 03:37:18,952 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ece04df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:18, skipping insertion in model container [2024-11-28 03:37:18,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:37:18,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:18" (3/3) ... [2024-11-28 03:37:18,954 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2024-11-28 03:37:19,017 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:37:19,017 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:37:19,018 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:37:19,018 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:37:19,018 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:37:19,018 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:37:19,018 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:37:19,018 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:37:19,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 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) [2024-11-28 03:37:19,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2024-11-28 03:37:19,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:37:19,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:37:19,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:19,058 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:19,058 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:37:19,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 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) [2024-11-28 03:37:19,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2024-11-28 03:37:19,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:37:19,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:37:19,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:19,066 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:19,072 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#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~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:37:19,072 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#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~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret9#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~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#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~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#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;" [2024-11-28 03:37:19,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:19,079 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-28 03:37:19,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:19,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065634009] [2024-11-28 03:37:19,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:19,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:19,188 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:19,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:37:19,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:19,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1393832983, now seen corresponding path program 1 times [2024-11-28 03:37:19,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:19,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200523248] [2024-11-28 03:37:19,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:19,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:19,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:37:19,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200523248] [2024-11-28 03:37:19,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200523248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:37:19,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33037913] [2024-11-28 03:37:19,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:19,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:37:19,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:37:19,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:37:19,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:37:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:19,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:37:19,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:37:19,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:37:19,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33037913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:37:19,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:37:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:37:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187890641] [2024-11-28 03:37:19,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:37:19,571 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 03:37:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:37:19,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:19,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:19,612 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 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) [2024-11-28 03:37:19,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:19,693 INFO L93 Difference]: Finished difference Result 214 states and 276 transitions. [2024-11-28 03:37:19,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 276 transitions. [2024-11-28 03:37:19,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2024-11-28 03:37:19,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 194 states and 255 transitions. [2024-11-28 03:37:19,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 194 [2024-11-28 03:37:19,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 194 [2024-11-28 03:37:19,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 255 transitions. [2024-11-28 03:37:19,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:37:19,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 194 states and 255 transitions. [2024-11-28 03:37:19,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 255 transitions. [2024-11-28 03:37:19,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2024-11-28 03:37:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 190 states have internal predecessors, (251), 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) [2024-11-28 03:37:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 251 transitions. [2024-11-28 03:37:19,793 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 251 transitions. [2024-11-28 03:37:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:37:19,800 INFO L425 stractBuchiCegarLoop]: Abstraction has 191 states and 251 transitions. [2024-11-28 03:37:19,800 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:37:19,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 251 transitions. [2024-11-28 03:37:19,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2024-11-28 03:37:19,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:37:19,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:37:19,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:19,812 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] [2024-11-28 03:37:19,812 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#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~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:37:19,812 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret9#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~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#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~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#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;" [2024-11-28 03:37:19,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:19,813 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-28 03:37:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:19,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287039154] [2024-11-28 03:37:19,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:19,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:19,844 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:19,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:37:19,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1857194755, now seen corresponding path program 1 times [2024-11-28 03:37:19,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:19,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739482291] [2024-11-28 03:37:19,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:19,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:19,894 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:19,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:37:19,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:19,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1455817658, now seen corresponding path program 1 times [2024-11-28 03:37:19,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:19,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136440752] [2024-11-28 03:37:19,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:19,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:20,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:37:20,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136440752] [2024-11-28 03:37:20,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136440752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:37:20,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556451816] [2024-11-28 03:37:20,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:20,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:37:20,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:37:20,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:37:20,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:37:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:20,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:37:20,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:37:20,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:37:20,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556451816] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:37:20,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:37:20,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 03:37:20,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376584520] [2024-11-28 03:37:20,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:37:20,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:37:20,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:37:20,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:37:20,620 INFO L87 Difference]: Start difference. First operand 191 states and 251 transitions. cyclomatic complexity: 63 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) [2024-11-28 03:37:20,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:20,814 INFO L93 Difference]: Finished difference Result 372 states and 484 transitions. [2024-11-28 03:37:20,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 484 transitions. [2024-11-28 03:37:20,820 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 264 [2024-11-28 03:37:20,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 372 states and 484 transitions. [2024-11-28 03:37:20,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 372 [2024-11-28 03:37:20,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 372 [2024-11-28 03:37:20,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 372 states and 484 transitions. [2024-11-28 03:37:20,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:37:20,832 INFO L218 hiAutomatonCegarLoop]: Abstraction has 372 states and 484 transitions. [2024-11-28 03:37:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states and 484 transitions. [2024-11-28 03:37:20,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-28 03:37:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 372 states have (on average 1.3010752688172043) internal successors, (484), 371 states have internal predecessors, (484), 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) [2024-11-28 03:37:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 484 transitions. [2024-11-28 03:37:20,864 INFO L240 hiAutomatonCegarLoop]: Abstraction has 372 states and 484 transitions. [2024-11-28 03:37:20,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:37:20,868 INFO L425 stractBuchiCegarLoop]: Abstraction has 372 states and 484 transitions. [2024-11-28 03:37:20,868 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:37:20,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 372 states and 484 transitions. [2024-11-28 03:37:20,908 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 264 [2024-11-28 03:37:20,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:37:20,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:37:20,909 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:20,909 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] [2024-11-28 03:37:20,910 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#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~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:37:20,911 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret9#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~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#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~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#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;" [2024-11-28 03:37:20,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:20,912 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-28 03:37:20,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:20,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267910966] [2024-11-28 03:37:20,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:20,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:20,932 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:20,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:37:20,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:20,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1963240450, now seen corresponding path program 1 times [2024-11-28 03:37:20,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:20,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459532919] [2024-11-28 03:37:20,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:20,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:20,962 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:20,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:37:20,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:20,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1139574027, now seen corresponding path program 1 times [2024-11-28 03:37:20,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:37:20,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088364972] [2024-11-28 03:37:20,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:20,993 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:21,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:37:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:22,212 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:22,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:37:22 BoogieIcfgContainer [2024-11-28 03:37:22,288 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:37:22,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:37:22,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:37:22,289 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:37:22,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:18" (3/4) ... [2024-11-28 03:37:22,291 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 03:37:22,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:37:22,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:37:22,351 INFO L158 Benchmark]: Toolchain (without parser) took 4773.42ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 73.8MB in the end (delta: 19.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-28 03:37:22,351 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:37:22,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.95ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 74.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:37:22,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.43ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 71.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:37:22,352 INFO L158 Benchmark]: Boogie Preprocessor took 52.97ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:37:22,353 INFO L158 Benchmark]: RCFGBuilder took 628.65ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 50.2MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:37:22,353 INFO L158 Benchmark]: BuchiAutomizer took 3346.14ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 76.7MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:37:22,353 INFO L158 Benchmark]: Witness Printer took 58.59ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:37:22,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.95ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 74.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.43ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 71.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.97ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.65ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 50.2MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3346.14ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 76.7MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.59ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.8MB in the end (delta: 2.9MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] - GenericResultAtLocation [Line: 196]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] - GenericResultAtLocation [Line: 299]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 909]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] * 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 372 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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, 234 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 731 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 261 mSDtfsCounter, 85 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: 922]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L148] int switchedOnBeforeTS ; [L197] int cleanupTimeShifts = 4; [L469] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L714] int pumpRunning = 0; [L715] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L692] int retValue_acc ; [L695] retValue_acc = 1 [L696] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L267] CALL __utac_acc__Specification5_spec__1() [L153] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L267] RET __utac_acc__Specification5_spec__1() [L268] CALL test() [L911] int splverifierCounter ; [L912] int tmp ; [L913] int tmp___0 ; [L914] int tmp___1 ; [L915] int tmp___2 ; [L918] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L922] COND TRUE splverifierCounter < 4 [L928] tmp = __VERIFIER_nondet_int() [L930] COND FALSE !(\read(tmp)) [L938] tmp___0 = __VERIFIER_nondet_int() [L940] COND FALSE !(\read(tmp___0)) [L948] tmp___2 = __VERIFIER_nondet_int() [L950] COND FALSE !(\read(tmp___2)) [L956] tmp___1 = __VERIFIER_nondet_int() [L958] COND FALSE !(\read(tmp___1)) [L967] CALL timeShift() [L722] CALL __utac_acc__Specification5_spec__2() [L162] CALL, EXPR isPumpRunning() [L823] int retValue_acc ; [L826] retValue_acc = pumpRunning [L827] return (retValue_acc); [L162] RET, EXPR isPumpRunning() [L162] switchedOnBeforeTS = isPumpRunning() [L722] RET __utac_acc__Specification5_spec__2() [L724] COND FALSE !(\read(pumpRunning)) [L731] COND TRUE \read(systemActive) [L733] CALL processEnvironment() [L753] int tmp ; [L756] COND FALSE !(\read(pumpRunning)) [L771] FCALL processEnvironment__wrappee__base() [L733] RET processEnvironment() [L739] CALL __utac_acc__Specification5_spec__3() [L168] int tmp ; [L169] int tmp___0 ; [L173] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L173] RET, EXPR getWaterLevel() [L173] tmp = getWaterLevel() [L175] COND TRUE tmp != 2 [L177] CALL, EXPR isPumpRunning() [L823] int retValue_acc ; [L826] retValue_acc = pumpRunning [L827] return (retValue_acc); [L177] RET, EXPR isPumpRunning() [L177] tmp___0 = isPumpRunning() [L179] COND FALSE !(\read(tmp___0)) [L739] RET __utac_acc__Specification5_spec__3() [L967] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 922]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L148] int switchedOnBeforeTS ; [L197] int cleanupTimeShifts = 4; [L469] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L714] int pumpRunning = 0; [L715] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L692] int retValue_acc ; [L695] retValue_acc = 1 [L696] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L267] CALL __utac_acc__Specification5_spec__1() [L153] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L267] RET __utac_acc__Specification5_spec__1() [L268] CALL test() [L911] int splverifierCounter ; [L912] int tmp ; [L913] int tmp___0 ; [L914] int tmp___1 ; [L915] int tmp___2 ; [L918] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L922] COND TRUE splverifierCounter < 4 [L928] tmp = __VERIFIER_nondet_int() [L930] COND FALSE !(\read(tmp)) [L938] tmp___0 = __VERIFIER_nondet_int() [L940] COND FALSE !(\read(tmp___0)) [L948] tmp___2 = __VERIFIER_nondet_int() [L950] COND FALSE !(\read(tmp___2)) [L956] tmp___1 = __VERIFIER_nondet_int() [L958] COND FALSE !(\read(tmp___1)) [L967] CALL timeShift() [L722] CALL __utac_acc__Specification5_spec__2() [L162] CALL, EXPR isPumpRunning() [L823] int retValue_acc ; [L826] retValue_acc = pumpRunning [L827] return (retValue_acc); [L162] RET, EXPR isPumpRunning() [L162] switchedOnBeforeTS = isPumpRunning() [L722] RET __utac_acc__Specification5_spec__2() [L724] COND FALSE !(\read(pumpRunning)) [L731] COND TRUE \read(systemActive) [L733] CALL processEnvironment() [L753] int tmp ; [L756] COND FALSE !(\read(pumpRunning)) [L771] FCALL processEnvironment__wrappee__base() [L733] RET processEnvironment() [L739] CALL __utac_acc__Specification5_spec__3() [L168] int tmp ; [L169] int tmp___0 ; [L173] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L173] RET, EXPR getWaterLevel() [L173] tmp = getWaterLevel() [L175] COND TRUE tmp != 2 [L177] CALL, EXPR isPumpRunning() [L823] int retValue_acc ; [L826] retValue_acc = pumpRunning [L827] return (retValue_acc); [L177] RET, EXPR isPumpRunning() [L177] tmp___0 = isPumpRunning() [L179] COND FALSE !(\read(tmp___0)) [L739] RET __utac_acc__Specification5_spec__3() [L967] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:37:22,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:37:22,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:37:22,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ee0b15-a37e-48dc-9649-2d6fb00481cb/bin/uautomizer-verify-aQ6SnzHsRB/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)