./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/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_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:21:45,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:21:45,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:21:45,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:21:45,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:21:45,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:21:45,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:21:45,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:21:45,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:21:45,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:21:45,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:21:45,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:21:45,907 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:21:45,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:21:45,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:21:45,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:21:45,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:21:45,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:21:45,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:21:45,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:21:45,910 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:21:45,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:21:45,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:21:45,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:21:45,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:21:45,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:45,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:21:45,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:21:45,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:21:45,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:45,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:21:45,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:21:45,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:21:45,913 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_11e4f916-2254-44ed-8ea0-4694f5c23d85/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(G ! data-race) ) 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 -> 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 [2024-11-28 03:21:46,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:21:46,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:21:46,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:21:46,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:21:46,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:21:46,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe030_tso.i [2024-11-28 03:21:49,294 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/data/ac53667e2/858e29e66f9341ce863653772e20265e/FLAG769fa8344 [2024-11-28 03:21:49,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:21:49,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/sv-benchmarks/c/pthread-wmm/safe030_tso.i [2024-11-28 03:21:49,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/data/ac53667e2/858e29e66f9341ce863653772e20265e/FLAG769fa8344 [2024-11-28 03:21:49,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/data/ac53667e2/858e29e66f9341ce863653772e20265e [2024-11-28 03:21:49,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:21:49,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:21:49,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:21:49,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:21:49,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:21:49,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:49" (1/1) ... [2024-11-28 03:21:49,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e58ead1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:49, skipping insertion in model container [2024-11-28 03:21:49,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:49" (1/1) ... [2024-11-28 03:21:49,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:21:50,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:21:50,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:21:50,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:21:50,383 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:21:50,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50 WrapperNode [2024-11-28 03:21:50,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:21:50,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:21:50,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:21:50,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:21:50,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,425 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 86 [2024-11-28 03:21:50,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:21:50,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:21:50,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:21:50,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:21:50,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:21:50,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:21:50,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:21:50,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:21:50,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (1/1) ... [2024-11-28 03:21:50,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:50,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:50,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:21:50,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:21:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:21:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:21:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:21:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:21:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:21:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:21:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 03:21:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 03:21:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:21:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:21:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:21:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:21:50,544 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:21:50,676 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:21:50,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:21:51,012 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:21:51,012 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:21:51,182 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:21:51,183 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:21:51,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:51 BoogieIcfgContainer [2024-11-28 03:21:51,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:21:51,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:21:51,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:21:51,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:21:51,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:49" (1/3) ... [2024-11-28 03:21:51,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba2a65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:51, skipping insertion in model container [2024-11-28 03:21:51,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:50" (2/3) ... [2024-11-28 03:21:51,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba2a65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:51, skipping insertion in model container [2024-11-28 03:21:51,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:51" (3/3) ... [2024-11-28 03:21:51,194 INFO L128 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2024-11-28 03:21:51,211 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:21:51,213 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe030_tso.i that has 4 procedures, 109 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2024-11-28 03:21:51,213 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:21:51,302 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:21:51,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 111 transitions, 234 flow [2024-11-28 03:21:51,446 INFO L124 PetriNetUnfolderBase]: 3/108 cut-off events. [2024-11-28 03:21:51,451 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:21:51,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 3/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 125 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2024-11-28 03:21:51,460 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 111 transitions, 234 flow [2024-11-28 03:21:51,464 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 108 transitions, 225 flow [2024-11-28 03:21:51,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:21:51,499 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41b6cf83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:21:51,499 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-28 03:21:51,513 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:21:51,513 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 03:21:51,513 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:21:51,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:21:51,514 INFO L206 CegarLoopForPetriNet]: trace 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 03:21:51,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 03:21:51,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:51,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1884385643, now seen corresponding path program 1 times [2024-11-28 03:21:51,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:51,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312116957] [2024-11-28 03:21:51,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:51,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:51,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:51,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312116957] [2024-11-28 03:21:51,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312116957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:51,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:51,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:21:51,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143650520] [2024-11-28 03:21:51,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:51,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:21:51,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:51,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:21:51,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:21:51,794 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 111 [2024-11-28 03:21:51,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 108 transitions, 225 flow. Second operand has 2 states, 2 states have (on average 76.0) internal successors, (152), 2 states have internal predecessors, (152), 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 03:21:51,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:21:51,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 111 [2024-11-28 03:21:51,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:21:52,066 INFO L124 PetriNetUnfolderBase]: 396/895 cut-off events. [2024-11-28 03:21:52,066 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-28 03:21:52,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 895 events. 396/895 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5581 event pairs, 396 based on Foata normal form. 99/931 useless extension candidates. Maximal degree in co-relation 1523. Up to 609 conditions per place. [2024-11-28 03:21:52,078 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 14 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2024-11-28 03:21:52,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 85 transitions, 207 flow [2024-11-28 03:21:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:21:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:21:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2024-11-28 03:21:52,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-11-28 03:21:52,097 INFO L175 Difference]: Start difference. First operand has 115 places, 108 transitions, 225 flow. Second operand 2 states and 185 transitions. [2024-11-28 03:21:52,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 85 transitions, 207 flow [2024-11-28 03:21:52,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 85 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 03:21:52,108 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 176 flow [2024-11-28 03:21:52,114 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=176, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-11-28 03:21:52,118 INFO L279 CegarLoopForPetriNet]: 115 programPoint places, -22 predicate places. [2024-11-28 03:21:52,120 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 176 flow [2024-11-28 03:21:52,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.0) internal successors, (152), 2 states have internal predecessors, (152), 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 03:21:52,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:21:52,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:52,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:21:52,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 03:21:52,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:52,122 INFO L85 PathProgramCache]: Analyzing trace with hash -800851433, now seen corresponding path program 1 times [2024-11-28 03:21:52,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:52,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915894529] [2024-11-28 03:21:52,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:52,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:52,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915894529] [2024-11-28 03:21:52,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915894529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:52,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:52,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:21:52,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995579551] [2024-11-28 03:21:52,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:52,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:52,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:52,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:52,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:52,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-28 03:21:52,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 03:21:52,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:21:52,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-28 03:21:52,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:21:52,769 INFO L124 PetriNetUnfolderBase]: 684/2757 cut-off events. [2024-11-28 03:21:52,769 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:21:52,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3826 conditions, 2757 events. 684/2757 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 25010 event pairs, 252 based on Foata normal form. 0/2550 useless extension candidates. Maximal degree in co-relation 3823. Up to 624 conditions per place. [2024-11-28 03:21:52,801 INFO L140 encePairwiseOnDemand]: 109/111 looper letters, 24 selfloop transitions, 1 changer transitions 0/93 dead transitions. [2024-11-28 03:21:52,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 93 transitions, 242 flow [2024-11-28 03:21:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:21:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-11-28 03:21:52,808 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7267267267267268 [2024-11-28 03:21:52,809 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 176 flow. Second operand 3 states and 242 transitions. [2024-11-28 03:21:52,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 93 transitions, 242 flow [2024-11-28 03:21:52,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 93 transitions, 242 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:21:52,815 INFO L231 Difference]: Finished difference. Result has 94 places, 84 transitions, 176 flow [2024-11-28 03:21:52,815 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=94, PETRI_TRANSITIONS=84} [2024-11-28 03:21:52,816 INFO L279 CegarLoopForPetriNet]: 115 programPoint places, -21 predicate places. [2024-11-28 03:21:52,817 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 84 transitions, 176 flow [2024-11-28 03:21:52,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 03:21:52,818 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:21:52,818 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:52,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:21:52,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 03:21:52,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash -850872780, now seen corresponding path program 1 times [2024-11-28 03:21:52,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:52,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832685226] [2024-11-28 03:21:52,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:52,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:52,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832685226] [2024-11-28 03:21:52,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832685226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:52,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:52,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:21:52,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918456521] [2024-11-28 03:21:52,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:52,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:52,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:53,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:53,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:53,006 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-28 03:21:53,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 84 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 03:21:53,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:21:53,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-28 03:21:53,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:21:53,422 INFO L124 PetriNetUnfolderBase]: 684/2126 cut-off events. [2024-11-28 03:21:53,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:21:53,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3197 conditions, 2126 events. 684/2126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 17360 event pairs, 396 based on Foata normal form. 0/2002 useless extension candidates. Maximal degree in co-relation 3193. Up to 609 conditions per place. [2024-11-28 03:21:53,434 INFO L140 encePairwiseOnDemand]: 109/111 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2024-11-28 03:21:53,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 242 flow [2024-11-28 03:21:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:21:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-11-28 03:21:53,437 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7267267267267268 [2024-11-28 03:21:53,439 INFO L175 Difference]: Start difference. First operand has 94 places, 84 transitions, 176 flow. Second operand 3 states and 242 transitions. [2024-11-28 03:21:53,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 92 transitions, 242 flow [2024-11-28 03:21:53,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:21:53,442 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2024-11-28 03:21:53,442 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2024-11-28 03:21:53,444 INFO L279 CegarLoopForPetriNet]: 115 programPoint places, -21 predicate places. [2024-11-28 03:21:53,444 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2024-11-28 03:21:53,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 03:21:53,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-11-28 03:21:53,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-11-28 03:21:53,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-11-28 03:21:53,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-11-28 03:21:53,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-11-28 03:21:53,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-11-28 03:21:53,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-11-28 03:21:53,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-11-28 03:21:53,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-11-28 03:21:53,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-11-28 03:21:53,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:21:53,455 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:21:53,461 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:21:53,462 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:21:53,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:53 BasicIcfg [2024-11-28 03:21:53,473 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:21:53,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:21:53,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:21:53,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:21:53,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:51" (3/4) ... [2024-11-28 03:21:53,478 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:21:53,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-28 03:21:53,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-28 03:21:53,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-28 03:21:53,488 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-28 03:21:53,488 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:21:53,488 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:21:53,488 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:21:53,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:21:53,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:21:53,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:21:53,579 INFO L158 Benchmark]: Toolchain (without parser) took 3704.21ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.6MB in the beginning and 292.6MB in the end (delta: -175.0MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2024-11-28 03:21:53,580 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:21:53,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.37ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 97.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:21:53,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.59ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:21:53,581 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:21:53,581 INFO L158 Benchmark]: RCFGBuilder took 730.87ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 67.4MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:21:53,582 INFO L158 Benchmark]: TraceAbstraction took 2287.51ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.9MB in the beginning and 297.9MB in the end (delta: -231.0MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-11-28 03:21:53,582 INFO L158 Benchmark]: Witness Printer took 103.50ms. Allocated memory is still 427.8MB. Free memory was 297.9MB in the beginning and 292.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:21:53,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.37ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 97.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.59ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 730.87ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 67.4MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2287.51ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.9MB in the beginning and 297.9MB in the end (delta: -231.0MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Witness Printer took 103.50ms. Allocated memory is still 427.8MB. Free memory was 297.9MB in the beginning and 292.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 148 locations, 35 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:21:53,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e4f916-2254-44ed-8ea0-4694f5c23d85/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE