./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/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_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-23 23:05:33,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:05:33,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:05:33,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:05:33,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:05:34,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:05:34,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:05:34,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:05:34,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:05:34,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:05:34,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:05:34,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:05:34,049 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:05:34,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:05:34,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:05:34,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:05:34,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:05:34,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:05:34,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:05:34,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:05:34,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:05:34,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:05:34,052 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:05:34,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:05:34,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:05:34,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:05:34,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:05:34,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:05:34,053 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:05:34,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:05:34,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:05:34,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:34,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:05:34,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:05:34,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:05:34,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:34,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:05:34,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:05:34,056 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:05:34,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:05:34,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:05:34,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:05:34,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:05:34,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:05:34,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:05:34,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:05:34,058 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_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(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 [2024-11-23 23:05:34,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:05:34,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:05:34,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:05:34,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:05:34,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:05:34,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-23 23:05:38,399 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/data/7ec35e964/e03b9694b0944df5924a0fc519f3a16d/FLAG04696bfb8 [2024-11-23 23:05:38,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:05:38,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-23 23:05:38,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/data/7ec35e964/e03b9694b0944df5924a0fc519f3a16d/FLAG04696bfb8 [2024-11-23 23:05:38,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/data/7ec35e964/e03b9694b0944df5924a0fc519f3a16d [2024-11-23 23:05:38,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:05:38,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:05:38,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:05:38,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:05:38,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:05:38,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:38" (1/1) ... [2024-11-23 23:05:38,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23583ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:38, skipping insertion in model container [2024-11-23 23:05:38,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:38" (1/1) ... [2024-11-23 23:05:39,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:05:39,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:05:39,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:05:39,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:05:39,649 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:05:39,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39 WrapperNode [2024-11-23 23:05:39,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:05:39,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:05:39,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:05:39,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:05:39,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,728 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 94 [2024-11-23 23:05:39,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:05:39,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:05:39,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:05:39,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:05:39,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,760 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:05:39,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:05:39,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:05:39,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:05:39,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (1/1) ... [2024-11-23 23:05:39,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:39,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:05:39,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:05:39,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:05:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-23 23:05:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-23 23:05:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 23:05:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:05:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:05:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 23:05:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:05:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:05:39,866 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:05:40,055 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:05:40,059 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:05:40,427 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:05:40,427 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:05:40,492 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:05:40,492 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:05:40,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:40 BoogieIcfgContainer [2024-11-23 23:05:40,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:05:40,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:05:40,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:05:40,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:05:40,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:05:38" (1/3) ... [2024-11-23 23:05:40,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e960a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:40, skipping insertion in model container [2024-11-23 23:05:40,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:39" (2/3) ... [2024-11-23 23:05:40,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e960a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:40, skipping insertion in model container [2024-11-23 23:05:40,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:40" (3/3) ... [2024-11-23 23:05:40,507 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-23 23:05:40,529 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:05:40,531 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_29-multiple-protecting2-vesal_true.i that has 2 procedures, 139 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-23 23:05:40,532 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:05:40,654 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 23:05:40,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 144 transitions, 295 flow [2024-11-23 23:05:40,814 INFO L124 PetriNetUnfolderBase]: 6/143 cut-off events. [2024-11-23 23:05:40,817 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 23:05:40,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 143 events. 6/143 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. 0/130 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-11-23 23:05:40,824 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 144 transitions, 295 flow [2024-11-23 23:05:40,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 138 transitions, 279 flow [2024-11-23 23:05:40,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:05:40,858 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;@5dc3812, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:05:40,858 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-23 23:05:40,900 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:05:40,900 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-23 23:05:40,901 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:05:40,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:05:40,902 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] [2024-11-23 23:05:40,902 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)] === [2024-11-23 23:05:40,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:40,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1409999796, now seen corresponding path program 1 times [2024-11-23 23:05:40,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:40,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198507248] [2024-11-23 23:05:40,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:05:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198507248] [2024-11-23 23:05:41,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198507248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:41,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:41,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:05:41,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149225413] [2024-11-23 23:05:41,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:41,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:05:41,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:41,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:05:41,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:41,497 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 144 [2024-11-23 23:05:41,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 138 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2024-11-23 23:05:41,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:05:41,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 144 [2024-11-23 23:05:41,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:05:42,056 INFO L124 PetriNetUnfolderBase]: 237/1221 cut-off events. [2024-11-23 23:05:42,057 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 23:05:42,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 1221 events. 237/1221 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8070 event pairs, 62 based on Foata normal form. 106/1227 useless extension candidates. Maximal degree in co-relation 1713. Up to 344 conditions per place. [2024-11-23 23:05:42,080 INFO L140 encePairwiseOnDemand]: 123/144 looper letters, 40 selfloop transitions, 10 changer transitions 2/146 dead transitions. [2024-11-23 23:05:42,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 146 transitions, 399 flow [2024-11-23 23:05:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:05:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:05:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2024-11-23 23:05:42,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8680555555555556 [2024-11-23 23:05:42,109 INFO L175 Difference]: Start difference. First operand has 136 places, 138 transitions, 279 flow. Second operand 3 states and 375 transitions. [2024-11-23 23:05:42,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 146 transitions, 399 flow [2024-11-23 23:05:42,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 146 transitions, 398 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:05:42,128 INFO L231 Difference]: Finished difference. Result has 131 places, 132 transitions, 328 flow [2024-11-23 23:05:42,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=131, PETRI_TRANSITIONS=132} [2024-11-23 23:05:42,138 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -5 predicate places. [2024-11-23 23:05:42,138 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 132 transitions, 328 flow [2024-11-23 23:05:42,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2024-11-23 23:05:42,142 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:05:42,142 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] [2024-11-23 23:05:42,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:05:42,143 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)] === [2024-11-23 23:05:42,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash -439297328, now seen corresponding path program 1 times [2024-11-23 23:05:42,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:42,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824303647] [2024-11-23 23:05:42,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:05:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:42,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824303647] [2024-11-23 23:05:42,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824303647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:42,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:42,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:05:42,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186438623] [2024-11-23 23:05:42,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:42,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:05:42,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:42,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:05:42,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:42,427 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 144 [2024-11-23 23:05:42,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 132 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2024-11-23 23:05:42,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:05:42,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 144 [2024-11-23 23:05:42,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:05:42,848 INFO L124 PetriNetUnfolderBase]: 252/1241 cut-off events. [2024-11-23 23:05:42,848 INFO L125 PetriNetUnfolderBase]: For 283/292 co-relation queries the response was YES. [2024-11-23 23:05:42,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2065 conditions, 1241 events. 252/1241 cut-off events. For 283/292 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8258 event pairs, 144 based on Foata normal form. 3/1125 useless extension candidates. Maximal degree in co-relation 2023. Up to 466 conditions per place. [2024-11-23 23:05:42,862 INFO L140 encePairwiseOnDemand]: 137/144 looper letters, 38 selfloop transitions, 8 changer transitions 0/147 dead transitions. [2024-11-23 23:05:42,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 147 transitions, 466 flow [2024-11-23 23:05:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:05:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:05:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-23 23:05:42,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425925925925926 [2024-11-23 23:05:42,870 INFO L175 Difference]: Start difference. First operand has 131 places, 132 transitions, 328 flow. Second operand 3 states and 364 transitions. [2024-11-23 23:05:42,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 147 transitions, 466 flow [2024-11-23 23:05:42,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 147 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:05:42,880 INFO L231 Difference]: Finished difference. Result has 133 places, 139 transitions, 380 flow [2024-11-23 23:05:42,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=133, PETRI_TRANSITIONS=139} [2024-11-23 23:05:42,883 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -3 predicate places. [2024-11-23 23:05:42,884 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 139 transitions, 380 flow [2024-11-23 23:05:42,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2024-11-23 23:05:42,884 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:05:42,885 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, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:42,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:05:42,886 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)] === [2024-11-23 23:05:42,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash 732687285, now seen corresponding path program 1 times [2024-11-23 23:05:42,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:42,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982479854] [2024-11-23 23:05:42,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:42,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:05:43,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982479854] [2024-11-23 23:05:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982479854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:43,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:43,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:05:43,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574170644] [2024-11-23 23:05:43,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:43,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:05:43,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:43,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:05:43,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:05:43,622 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 144 [2024-11-23 23:05:43,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 139 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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) [2024-11-23 23:05:43,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:05:43,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 144 [2024-11-23 23:05:43,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:05:43,886 INFO L124 PetriNetUnfolderBase]: 46/564 cut-off events. [2024-11-23 23:05:43,886 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-23 23:05:43,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 564 events. 46/564 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2546 event pairs, 23 based on Foata normal form. 10/552 useless extension candidates. Maximal degree in co-relation 770. Up to 79 conditions per place. [2024-11-23 23:05:43,890 INFO L140 encePairwiseOnDemand]: 133/144 looper letters, 11 selfloop transitions, 10 changer transitions 8/131 dead transitions. [2024-11-23 23:05:43,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 131 transitions, 358 flow [2024-11-23 23:05:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:05:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:05:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 614 transitions. [2024-11-23 23:05:43,895 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8527777777777777 [2024-11-23 23:05:43,896 INFO L175 Difference]: Start difference. First operand has 133 places, 139 transitions, 380 flow. Second operand 5 states and 614 transitions. [2024-11-23 23:05:43,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 131 transitions, 358 flow [2024-11-23 23:05:43,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 332 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-23 23:05:43,906 INFO L231 Difference]: Finished difference. Result has 130 places, 119 transitions, 290 flow [2024-11-23 23:05:43,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=290, PETRI_PLACES=130, PETRI_TRANSITIONS=119} [2024-11-23 23:05:43,909 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -6 predicate places. [2024-11-23 23:05:43,910 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 119 transitions, 290 flow [2024-11-23 23:05:43,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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) [2024-11-23 23:05:43,911 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:05:43,911 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:43,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:05:43,911 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)] === [2024-11-23 23:05:43,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:43,913 INFO L85 PathProgramCache]: Analyzing trace with hash -6644042, now seen corresponding path program 1 times [2024-11-23 23:05:43,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:43,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036715476] [2024-11-23 23:05:43,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:43,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:05:44,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:44,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036715476] [2024-11-23 23:05:44,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036715476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:44,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:44,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:05:44,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552850369] [2024-11-23 23:05:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:44,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:05:44,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:44,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:05:44,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:44,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 144 [2024-11-23 23:05:44,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 119 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2024-11-23 23:05:44,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:05:44,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 144 [2024-11-23 23:05:44,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:05:44,250 INFO L124 PetriNetUnfolderBase]: 59/416 cut-off events. [2024-11-23 23:05:44,250 INFO L125 PetriNetUnfolderBase]: For 126/128 co-relation queries the response was YES. [2024-11-23 23:05:44,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 416 events. 59/416 cut-off events. For 126/128 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1525 event pairs, 43 based on Foata normal form. 0/405 useless extension candidates. Maximal degree in co-relation 681. Up to 156 conditions per place. [2024-11-23 23:05:44,252 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2024-11-23 23:05:44,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 122 transitions, 363 flow [2024-11-23 23:05:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:05:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:05:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2024-11-23 23:05:44,255 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2024-11-23 23:05:44,255 INFO L175 Difference]: Start difference. First operand has 130 places, 119 transitions, 290 flow. Second operand 3 states and 352 transitions. [2024-11-23 23:05:44,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 122 transitions, 363 flow [2024-11-23 23:05:44,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 122 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:05:44,259 INFO L231 Difference]: Finished difference. Result has 123 places, 0 transitions, 0 flow [2024-11-23 23:05:44,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=123, PETRI_TRANSITIONS=0} [2024-11-23 23:05:44,261 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -13 predicate places. [2024-11-23 23:05:44,261 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 0 transitions, 0 flow [2024-11-23 23:05:44,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2024-11-23 23:05:44,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2024-11-23 23:05:44,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2024-11-23 23:05:44,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-23 23:05:44,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-23 23:05:44,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-23 23:05:44,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-23 23:05:44,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-23 23:05:44,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2024-11-23 23:05:44,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-23 23:05:44,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-23 23:05:44,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-23 23:05:44,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-23 23:05:44,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:05:44,268 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 23:05:44,276 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:05:44,277 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:05:44,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:05:44 BasicIcfg [2024-11-23 23:05:44,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:05:44,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:05:44,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:05:44,288 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:05:44,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:40" (3/4) ... [2024-11-23 23:05:44,293 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:05:44,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-23 23:05:44,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 23:05:44,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:05:44,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:05:44,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:05:44,424 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:05:44,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:05:44,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:05:44,428 INFO L158 Benchmark]: Toolchain (without parser) took 5455.63ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 99.9MB in the beginning and 242.4MB in the end (delta: -142.6MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-23 23:05:44,429 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:05:44,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.46ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 80.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:05:44,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.79ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 78.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:05:44,431 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:05:44,432 INFO L158 Benchmark]: RCFGBuilder took 721.85ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 58.1MB in the end (delta: 18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:05:44,434 INFO L158 Benchmark]: TraceAbstraction took 3788.81ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 57.5MB in the beginning and 246.6MB in the end (delta: -189.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-23 23:05:44,434 INFO L158 Benchmark]: Witness Printer took 138.43ms. Allocated memory is still 343.9MB. Free memory was 246.6MB in the beginning and 242.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:05:44,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.46ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 80.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.79ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 78.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 721.85ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 58.1MB in the end (delta: 18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3788.81ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 57.5MB in the beginning and 246.6MB in the end (delta: -189.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 138.43ms. Allocated memory is still 343.9MB. Free memory was 246.6MB in the beginning and 242.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. 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, 178 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: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 326 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 23 mSDtfsCounter, 326 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=380occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:05:44,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0485e83-030c-4d05-a56a-4453d640a970/bin/uautomizer-verify-LYvppIcaGC/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