./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product26.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_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/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_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/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_bd297484-6f60-4b08-83b2-39567758e522/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 cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:27,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:27,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:30:27,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:27,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:27,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:27,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:27,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:27,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:30:27,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:30:27,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:27,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:27,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:27,533 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:30:27,534 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:30:27,534 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:30:27,534 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:30:27,534 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:30:27,534 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:30:27,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:30:27,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:30:27,536 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:30:27,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:30:27,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:27,536 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:30:27,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:27,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:27,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:27,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:27,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:27,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:30:27,537 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:30:27,537 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_bd297484-6f60-4b08-83b2-39567758e522/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 -> cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f [2024-11-28 04:30:27,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:27,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:27,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:27,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:27,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:27,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2024-11-28 04:30:31,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/data/5f0f0e472/e71861c6f9bb451395c21b72e5fc8771/FLAG089d7b8ac [2024-11-28 04:30:32,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:32,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2024-11-28 04:30:32,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/data/5f0f0e472/e71861c6f9bb451395c21b72e5fc8771/FLAG089d7b8ac [2024-11-28 04:30:32,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/data/5f0f0e472/e71861c6f9bb451395c21b72e5fc8771 [2024-11-28 04:30:32,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:32,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:32,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:32,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:32,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:32,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:32" (1/1) ... [2024-11-28 04:30:32,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:32, skipping insertion in model container [2024-11-28 04:30:32,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:32" (1/1) ... [2024-11-28 04:30:32,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:32,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:32,850 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:32,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-28 04:30:32,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [145] [2024-11-28 04:30:32,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2024-11-28 04:30:32,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [520] [2024-11-28 04:30:32,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2024-11-28 04:30:32,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [777] [2024-11-28 04:30:32,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2024-11-28 04:30:32,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [913] [2024-11-28 04:30:32,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:33,006 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:33,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33 WrapperNode [2024-11-28 04:30:33,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:33,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:33,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:33,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:33,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,073 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 58, statements flattened = 368 [2024-11-28 04:30:33,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:33,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:33,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:33,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:33,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,105 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 04:30:33,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,113 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:33,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:33,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:33,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:33,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (1/1) ... [2024-11-28 04:30:33,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:30:33,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:33,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:33,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:30:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:33,328 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:33,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:30:33,891 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-28 04:30:33,891 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:30:33,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:30:33,917 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:30:33,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:33 BoogieIcfgContainer [2024-11-28 04:30:33,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:30:33,918 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:30:33,918 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:30:33,924 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:30:33,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:30:33,926 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:30:32" (1/3) ... [2024-11-28 04:30:33,928 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a501b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:30:33, skipping insertion in model container [2024-11-28 04:30:33,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:30:33,929 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:33" (2/3) ... [2024-11-28 04:30:33,929 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a501b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:30:33, skipping insertion in model container [2024-11-28 04:30:33,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:30:33,930 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:33" (3/3) ... [2024-11-28 04:30:33,931 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2024-11-28 04:30:33,991 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:30:33,991 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:30:33,991 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:30:33,991 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:30:33,992 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:30:33,992 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:30:33,992 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:30:33,992 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:30:34,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 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 04:30:34,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-28 04:30:34,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:30:34,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:30:34,033 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:34,033 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 04:30:34,033 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:30:34,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 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 04:30:34,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-28 04:30:34,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:30:34,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:30:34,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:34,041 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 04:30:34,048 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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~7#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~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:30:34,049 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#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~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret50#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~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:30:34,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:34,057 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-28 04:30:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:34,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501268587] [2024-11-28 04:30:34,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:34,208 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:34,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:34,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:34,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1404915592, now seen corresponding path program 1 times [2024-11-28 04:30:34,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:34,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385361789] [2024-11-28 04:30:34,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:34,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:34,323 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:34,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:34,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:34,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1550699297, now seen corresponding path program 1 times [2024-11-28 04:30:34,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:34,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459962963] [2024-11-28 04:30:34,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:34,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:34,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:30:34,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459962963] [2024-11-28 04:30:34,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459962963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:34,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706736631] [2024-11-28 04:30:34,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:34,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:34,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:34,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:34,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:30:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:34,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:30:34,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:35,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:35,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706736631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:35,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:30:35,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-28 04:30:35,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449582549] [2024-11-28 04:30:35,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:30:35,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:30:35,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:30:35,364 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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 04:30:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:35,503 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2024-11-28 04:30:35,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 136 transitions. [2024-11-28 04:30:35,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-28 04:30:35,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 98 states and 126 transitions. [2024-11-28 04:30:35,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2024-11-28 04:30:35,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2024-11-28 04:30:35,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 126 transitions. [2024-11-28 04:30:35,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:30:35,533 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-28 04:30:35,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 126 transitions. [2024-11-28 04:30:35,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-28 04:30:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 97 states have internal predecessors, (126), 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 04:30:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2024-11-28 04:30:35,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-28 04:30:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:35,580 INFO L425 stractBuchiCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-28 04:30:35,580 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:30:35,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 126 transitions. [2024-11-28 04:30:35,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-28 04:30:35,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:30:35,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:30:35,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:35,583 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 04:30:35,584 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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~7#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~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:30:35,584 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#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~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret50#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~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:30:35,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:35,585 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-28 04:30:35,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:35,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586870030] [2024-11-28 04:30:35,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:35,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:35,613 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:35,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:35,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:35,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1313383973, now seen corresponding path program 1 times [2024-11-28 04:30:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:35,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059039778] [2024-11-28 04:30:35,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:35,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:35,660 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:35,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:35,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash 912006876, now seen corresponding path program 1 times [2024-11-28 04:30:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628655012] [2024-11-28 04:30:35,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:35,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:30:35,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628655012] [2024-11-28 04:30:35,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628655012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:35,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933009240] [2024-11-28 04:30:35,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:35,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:35,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:30:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:36,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:30:36,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:36,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:36,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933009240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:36,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:30:36,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 04:30:36,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699899647] [2024-11-28 04:30:36,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:36,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:30:36,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:30:36,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:30:36,514 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. cyclomatic complexity: 30 Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 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 04:30:36,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:36,738 INFO L93 Difference]: Finished difference Result 187 states and 239 transitions. [2024-11-28 04:30:36,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 239 transitions. [2024-11-28 04:30:36,742 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2024-11-28 04:30:36,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 187 states and 239 transitions. [2024-11-28 04:30:36,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 187 [2024-11-28 04:30:36,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 187 [2024-11-28 04:30:36,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 187 states and 239 transitions. [2024-11-28 04:30:36,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:30:36,747 INFO L218 hiAutomatonCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-28 04:30:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states and 239 transitions. [2024-11-28 04:30:36,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-28 04:30:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 187 states have (on average 1.2780748663101604) internal successors, (239), 186 states have internal predecessors, (239), 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 04:30:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 239 transitions. [2024-11-28 04:30:36,767 INFO L240 hiAutomatonCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-28 04:30:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:36,770 INFO L425 stractBuchiCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-28 04:30:36,770 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:30:36,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 239 transitions. [2024-11-28 04:30:36,772 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2024-11-28 04:30:36,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:30:36,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:30:36,774 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:36,774 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 04:30:36,774 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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~7#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~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:30:36,774 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#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~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret50#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~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:30:36,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:36,775 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-28 04:30:36,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:36,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048441496] [2024-11-28 04:30:36,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:36,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:36,786 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:36,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:36,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash -579392192, now seen corresponding path program 1 times [2024-11-28 04:30:36,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:36,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137048607] [2024-11-28 04:30:36,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:36,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:36,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:36,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:36,816 INFO L85 PathProgramCache]: Analyzing trace with hash 244274231, now seen corresponding path program 1 times [2024-11-28 04:30:36,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:30:36,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442214616] [2024-11-28 04:30:36,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:36,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:36,843 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:36,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:30:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:38,313 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:38,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:30:38 BoogieIcfgContainer [2024-11-28 04:30:38,416 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:30:38,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:30:38,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:30:38,418 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:30:38,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:33" (3/4) ... [2024-11-28 04:30:38,420 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:30:38,483 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:30:38,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:30:38,484 INFO L158 Benchmark]: Toolchain (without parser) took 6176.05ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 43.8MB in the end (delta: 48.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-28 04:30:38,484 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:38,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.69ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:30:38,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.75ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:30:38,485 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:38,486 INFO L158 Benchmark]: RCFGBuilder took 789.99ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 49.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:30:38,486 INFO L158 Benchmark]: BuchiAutomizer took 4498.46ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 46.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:38,486 INFO L158 Benchmark]: Witness Printer took 65.82ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 43.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:30:38,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.69ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.75ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 789.99ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 49.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4498.46ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 46.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.82ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 43.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [145] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [520] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [777] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 913]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [913] * 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 8 locations. The remainder module has 187 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. 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 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 1016 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 776 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 240 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 723]: 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; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND FALSE !(\read(tmp___2)) [L757] tmp___1 = __VERIFIER_nondet_int() [L759] COND TRUE \read(tmp___1) [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 723]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND FALSE !(\read(tmp___2)) [L757] tmp___1 = __VERIFIER_nondet_int() [L759] COND TRUE \read(tmp___1) [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:30:38,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:38,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:38,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd297484-6f60-4b08-83b2-39567758e522/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)