./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd --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 a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:07:42,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:07:42,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:07:42,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:07:42,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:07:42,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:07:42,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:07:42,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:07:42,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:07:42,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:07:42,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:07:42,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:07:42,998 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:07:42,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:07:42,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:07:42,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:07:42,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:07:42,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:07:42,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:07:42,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:07:43,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:07:43,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:07:43,000 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:07:43,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:07:43,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:07:43,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:07:43,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:07:43,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:07:43,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:07:43,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:07:43,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:07:43,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:43,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:07:43,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:07:43,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:07:43,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:07:43,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:07:43,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:07:43,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:07:43,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:07:43,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:07:43,003 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_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd 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 -> a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 [2024-11-13 15:07:43,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:07:43,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:07:43,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:07:43,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:07:43,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:07:43,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i Unable to find full path for "g++" [2024-11-13 15:07:45,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:07:45,978 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:07:45,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-13 15:07:45,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/data/acffa8d1a/c0506ccfcc36473fb5f63a37bad922ac/FLAG107b19e85 [2024-11-13 15:07:46,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/data/acffa8d1a/c0506ccfcc36473fb5f63a37bad922ac [2024-11-13 15:07:46,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:07:46,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:07:46,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:46,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:07:46,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:07:46,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129956ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46, skipping insertion in model container [2024-11-13 15:07:46,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:07:46,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:46,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:07:46,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:46,568 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:07:46,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46 WrapperNode [2024-11-13 15:07:46,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:46,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:46,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:07:46,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:07:46,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,637 INFO L138 Inliner]: procedures = 165, calls = 52, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 103 [2024-11-13 15:07:46,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:46,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:07:46,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:07:46,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:07:46,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:07:46,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:07:46,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:07:46,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:07:46,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:46,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:46,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:07:46,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:07:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-13 15:07:46,775 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-13 15:07:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:07:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:07:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:07:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:07:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:07:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:07:46,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:07:46,778 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:07:46,934 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:07:46,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:07:47,373 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:07:47,373 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:07:47,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:07:47,462 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:07:47,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:47 BoogieIcfgContainer [2024-11-13 15:07:47,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:07:47,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:07:47,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:07:47,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:07:47,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:07:46" (1/3) ... [2024-11-13 15:07:47,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f2b01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:47, skipping insertion in model container [2024-11-13 15:07:47,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46" (2/3) ... [2024-11-13 15:07:47,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f2b01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:47, skipping insertion in model container [2024-11-13 15:07:47,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:47" (3/3) ... [2024-11-13 15:07:47,478 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-13 15:07:47,501 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:07:47,504 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_29-multiple-protecting2-vesal_true.i that has 2 procedures, 148 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-13 15:07:47,504 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:07:47,623 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 15:07:47,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 313 flow [2024-11-13 15:07:47,836 INFO L124 PetriNetUnfolderBase]: 6/152 cut-off events. [2024-11-13 15:07:47,839 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:07:47,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 152 events. 6/152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 153 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-11-13 15:07:47,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 153 transitions, 313 flow [2024-11-13 15:07:47,864 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 147 transitions, 297 flow [2024-11-13 15:07:47,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:07:47,901 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;@11619703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:07:47,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-13 15:07:47,933 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:07:47,936 INFO L124 PetriNetUnfolderBase]: 0/56 cut-off events. [2024-11-13 15:07:47,936 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:07:47,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:07:47,937 INFO L204 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, 1, 1, 1] [2024-11-13 15:07:47,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 15:07:47,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:47,943 INFO L85 PathProgramCache]: Analyzing trace with hash -809367342, now seen corresponding path program 1 times [2024-11-13 15:07:47,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:47,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28616553] [2024-11-13 15:07:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:47,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:48,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:48,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28616553] [2024-11-13 15:07:48,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28616553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:48,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:48,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:07:48,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693096865] [2024-11-13 15:07:48,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:48,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:07:48,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:48,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:07:48,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:48,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 153 [2024-11-13 15:07:48,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 147 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2024-11-13 15:07:48,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:07:48,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 153 [2024-11-13 15:07:48,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:07:48,984 INFO L124 PetriNetUnfolderBase]: 237/1230 cut-off events. [2024-11-13 15:07:48,985 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:07:48,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1763 conditions, 1230 events. 237/1230 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8053 event pairs, 62 based on Foata normal form. 106/1236 useless extension candidates. Maximal degree in co-relation 1713. Up to 344 conditions per place. [2024-11-13 15:07:49,001 INFO L140 encePairwiseOnDemand]: 132/153 looper letters, 40 selfloop transitions, 10 changer transitions 2/155 dead transitions. [2024-11-13 15:07:49,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 155 transitions, 417 flow [2024-11-13 15:07:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:07:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:07:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2024-11-13 15:07:49,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8758169934640523 [2024-11-13 15:07:49,031 INFO L175 Difference]: Start difference. First operand has 145 places, 147 transitions, 297 flow. Second operand 3 states and 402 transitions. [2024-11-13 15:07:49,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 155 transitions, 417 flow [2024-11-13 15:07:49,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 155 transitions, 416 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:07:49,051 INFO L231 Difference]: Finished difference. Result has 140 places, 141 transitions, 346 flow [2024-11-13 15:07:49,055 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=140, PETRI_TRANSITIONS=141} [2024-11-13 15:07:49,060 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -5 predicate places. [2024-11-13 15:07:49,061 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 141 transitions, 346 flow [2024-11-13 15:07:49,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2024-11-13 15:07:49,061 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:07:49,063 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:49,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:07:49,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 15:07:49,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:49,067 INFO L85 PathProgramCache]: Analyzing trace with hash -555291236, now seen corresponding path program 1 times [2024-11-13 15:07:49,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:49,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413176896] [2024-11-13 15:07:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:49,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:49,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:49,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413176896] [2024-11-13 15:07:49,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413176896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:49,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:49,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:07:49,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586729919] [2024-11-13 15:07:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:49,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:07:49,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:07:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:49,314 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 153 [2024-11-13 15:07:49,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 141 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 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) [2024-11-13 15:07:49,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:07:49,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 153 [2024-11-13 15:07:49,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:07:49,695 INFO L124 PetriNetUnfolderBase]: 252/1250 cut-off events. [2024-11-13 15:07:49,695 INFO L125 PetriNetUnfolderBase]: For 286/295 co-relation queries the response was YES. [2024-11-13 15:07:49,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2074 conditions, 1250 events. 252/1250 cut-off events. For 286/295 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8258 event pairs, 144 based on Foata normal form. 3/1134 useless extension candidates. Maximal degree in co-relation 2023. Up to 466 conditions per place. [2024-11-13 15:07:49,706 INFO L140 encePairwiseOnDemand]: 146/153 looper letters, 38 selfloop transitions, 8 changer transitions 0/156 dead transitions. [2024-11-13 15:07:49,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 156 transitions, 484 flow [2024-11-13 15:07:49,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:07:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:07:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2024-11-13 15:07:49,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-11-13 15:07:49,711 INFO L175 Difference]: Start difference. First operand has 140 places, 141 transitions, 346 flow. Second operand 3 states and 391 transitions. [2024-11-13 15:07:49,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 156 transitions, 484 flow [2024-11-13 15:07:49,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 156 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:07:49,717 INFO L231 Difference]: Finished difference. Result has 142 places, 148 transitions, 398 flow [2024-11-13 15:07:49,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=142, PETRI_TRANSITIONS=148} [2024-11-13 15:07:49,719 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -3 predicate places. [2024-11-13 15:07:49,719 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 148 transitions, 398 flow [2024-11-13 15:07:49,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 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) [2024-11-13 15:07:49,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:07:49,720 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:49,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:07:49,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 15:07:49,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:49,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1978036260, now seen corresponding path program 1 times [2024-11-13 15:07:49,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:49,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983051460] [2024-11-13 15:07:49,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:50,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:50,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983051460] [2024-11-13 15:07:50,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983051460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:50,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:50,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:07:50,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368101838] [2024-11-13 15:07:50,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:50,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:07:50,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:50,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:07:50,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:07:50,460 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 153 [2024-11-13 15:07:50,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 148 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 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) [2024-11-13 15:07:50,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:07:50,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 153 [2024-11-13 15:07:50,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:07:50,670 INFO L124 PetriNetUnfolderBase]: 46/573 cut-off events. [2024-11-13 15:07:50,671 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-13 15:07:50,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 573 events. 46/573 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2543 event pairs, 23 based on Foata normal form. 10/561 useless extension candidates. Maximal degree in co-relation 770. Up to 79 conditions per place. [2024-11-13 15:07:50,674 INFO L140 encePairwiseOnDemand]: 142/153 looper letters, 11 selfloop transitions, 10 changer transitions 8/140 dead transitions. [2024-11-13 15:07:50,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 140 transitions, 376 flow [2024-11-13 15:07:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:07:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 15:07:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 659 transitions. [2024-11-13 15:07:50,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614379084967321 [2024-11-13 15:07:50,677 INFO L175 Difference]: Start difference. First operand has 142 places, 148 transitions, 398 flow. Second operand 5 states and 659 transitions. [2024-11-13 15:07:50,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 140 transitions, 376 flow [2024-11-13 15:07:50,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 140 transitions, 350 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-13 15:07:50,683 INFO L231 Difference]: Finished difference. Result has 139 places, 128 transitions, 308 flow [2024-11-13 15:07:50,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=308, PETRI_PLACES=139, PETRI_TRANSITIONS=128} [2024-11-13 15:07:50,685 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -6 predicate places. [2024-11-13 15:07:50,685 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 128 transitions, 308 flow [2024-11-13 15:07:50,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 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) [2024-11-13 15:07:50,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:07:50,686 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:50,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:07:50,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 15:07:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:50,687 INFO L85 PathProgramCache]: Analyzing trace with hash 380865020, now seen corresponding path program 1 times [2024-11-13 15:07:50,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:50,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451068919] [2024-11-13 15:07:50,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:50,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451068919] [2024-11-13 15:07:50,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451068919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:50,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:50,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:07:50,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553525632] [2024-11-13 15:07:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:50,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:07:50,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:50,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:07:50,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:50,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 153 [2024-11-13 15:07:50,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 128 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-11-13 15:07:50,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:07:50,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 153 [2024-11-13 15:07:50,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:07:50,963 INFO L124 PetriNetUnfolderBase]: 59/425 cut-off events. [2024-11-13 15:07:50,963 INFO L125 PetriNetUnfolderBase]: For 126/128 co-relation queries the response was YES. [2024-11-13 15:07:50,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 425 events. 59/425 cut-off events. For 126/128 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1512 event pairs, 43 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 681. Up to 156 conditions per place. [2024-11-13 15:07:50,965 INFO L140 encePairwiseOnDemand]: 150/153 looper letters, 0 selfloop transitions, 0 changer transitions 131/131 dead transitions. [2024-11-13 15:07:50,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 381 flow [2024-11-13 15:07:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:07:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:07:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-11-13 15:07:50,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8257080610021786 [2024-11-13 15:07:50,968 INFO L175 Difference]: Start difference. First operand has 139 places, 128 transitions, 308 flow. Second operand 3 states and 379 transitions. [2024-11-13 15:07:50,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 381 flow [2024-11-13 15:07:50,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:07:50,974 INFO L231 Difference]: Finished difference. Result has 132 places, 0 transitions, 0 flow [2024-11-13 15:07:50,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=132, PETRI_TRANSITIONS=0} [2024-11-13 15:07:50,975 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -13 predicate places. [2024-11-13 15:07:50,975 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 0 transitions, 0 flow [2024-11-13 15:07:50,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-11-13 15:07:50,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2024-11-13 15:07:50,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2024-11-13 15:07:50,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-13 15:07:50,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-13 15:07:50,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-13 15:07:50,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-13 15:07:50,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-13 15:07:50,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2024-11-13 15:07:50,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-13 15:07:50,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-13 15:07:50,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-13 15:07:50,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-13 15:07:50,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:07:50,983 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 15:07:50,992 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:07:50,992 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:07:51,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:07:50 BasicIcfg [2024-11-13 15:07:51,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:07:51,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:07:51,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:07:51,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:07:51,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:47" (3/4) ... [2024-11-13 15:07:51,008 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:07:51,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-13 15:07:51,018 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 15:07:51,018 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:07:51,019 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:07:51,019 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:07:51,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:07:51,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:07:51,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:07:51,121 INFO L158 Benchmark]: Toolchain (without parser) took 5097.65ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 77.3MB in the end (delta: 14.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-13 15:07:51,122 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:51,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.38ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 70.8MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:07:51,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.41ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:51,123 INFO L158 Benchmark]: Boogie Preprocessor took 49.69ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:51,123 INFO L158 Benchmark]: RCFGBuilder took 774.74ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 48.6MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:07:51,123 INFO L158 Benchmark]: TraceAbstraction took 3533.12ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 81.5MB in the end (delta: -33.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-13 15:07:51,124 INFO L158 Benchmark]: Witness Printer took 117.96ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 77.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:51,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.38ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 70.8MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.41ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.69ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 774.74ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 48.6MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3533.12ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 81.5MB in the end (delta: -33.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 117.96ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 77.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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 3 procedures, 187 locations, 12 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: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 411 IncrementalHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 44 mSDtfsCounter, 411 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 0.8s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:07:51,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0392034-06e2-4bfb-9072-0321f7116907/bin/uautomizer-verify-qhAvR1uOyd/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