./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:14,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:14,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:30:14,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:14,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:14,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:14,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:14,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:14,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:14,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:14,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:14,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:14,982 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:14,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:14,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:14,983 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:14,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:30:14,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:14,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:14,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:14,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:14,984 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:14,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:14,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:14,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:14,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:14,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:14,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:14,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:14,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:14,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:14,987 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:14,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:14,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:30:14,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:30:14,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:14,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:14,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:14,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:14,989 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_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c [2024-11-28 03:30:15,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:15,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:15,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:15,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:15,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:15,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2024-11-28 03:30:19,056 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/data/ff1fa802e/9c5ed6888ef24d35aecc89b0dc044623/FLAG4ea85f545 [2024-11-28 03:30:19,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:19,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2024-11-28 03:30:19,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/data/ff1fa802e/9c5ed6888ef24d35aecc89b0dc044623/FLAG4ea85f545 [2024-11-28 03:30:19,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/data/ff1fa802e/9c5ed6888ef24d35aecc89b0dc044623 [2024-11-28 03:30:19,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:19,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:19,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:19,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:19,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:19,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571a3e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19, skipping insertion in model container [2024-11-28 03:30:19,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:19,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:19,886 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:19,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:20,000 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:20,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20 WrapperNode [2024-11-28 03:30:20,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:20,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:20,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:20,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:20,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,067 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-28 03:30:20,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:20,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:20,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:20,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:20,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,093 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:20,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:20,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:20,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:20,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (1/1) ... [2024-11-28 03:30:20,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:20,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:20,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:20,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:30:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:30:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:30:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:30:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:30:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:20,170 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:30:20,294 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:20,295 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:20,517 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:30:20,517 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:20,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:20,536 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:30:20,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:20 BoogieIcfgContainer [2024-11-28 03:30:20,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:20,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:20,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:20,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:20,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:19" (1/3) ... [2024-11-28 03:30:20,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ebe31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:20, skipping insertion in model container [2024-11-28 03:30:20,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:20" (2/3) ... [2024-11-28 03:30:20,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ebe31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:20, skipping insertion in model container [2024-11-28 03:30:20,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:20" (3/3) ... [2024-11-28 03:30:20,549 INFO L128 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2024-11-28 03:30:20,566 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:20,568 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 05-lval_ls_14-idxunknown_access.i that has 2 procedures, 81 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-28 03:30:20,569 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:30:20,672 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:30:20,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 81 transitions, 166 flow [2024-11-28 03:30:20,771 INFO L124 PetriNetUnfolderBase]: 1/80 cut-off events. [2024-11-28 03:30:20,774 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:30:20,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 1/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-11-28 03:30:20,779 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 81 transitions, 166 flow [2024-11-28 03:30:20,782 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 80 transitions, 163 flow [2024-11-28 03:30:20,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:20,803 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;@57ffc1c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:20,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 03:30:20,821 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:30:20,821 INFO L124 PetriNetUnfolderBase]: 1/45 cut-off events. [2024-11-28 03:30:20,821 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:30:20,821 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:30:20,822 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:20,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 03:30:20,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:20,828 INFO L85 PathProgramCache]: Analyzing trace with hash -427779772, now seen corresponding path program 1 times [2024-11-28 03:30:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:20,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768377917] [2024-11-28 03:30:20,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:20,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:22,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:22,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768377917] [2024-11-28 03:30:22,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768377917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:22,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:22,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194431379] [2024-11-28 03:30:22,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:22,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:30:22,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:22,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:30:22,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:30:22,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 81 [2024-11-28 03:30:22,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:22,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:30:22,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 81 [2024-11-28 03:30:22,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:30:23,083 INFO L124 PetriNetUnfolderBase]: 72/440 cut-off events. [2024-11-28 03:30:23,083 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:30:23,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 440 events. 72/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2535 event pairs, 26 based on Foata normal form. 1/405 useless extension candidates. Maximal degree in co-relation 584. Up to 101 conditions per place. [2024-11-28 03:30:23,093 INFO L140 encePairwiseOnDemand]: 69/81 looper letters, 28 selfloop transitions, 22 changer transitions 1/112 dead transitions. [2024-11-28 03:30:23,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 327 flow [2024-11-28 03:30:23,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:30:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:30:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 430 transitions. [2024-11-28 03:30:23,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2024-11-28 03:30:23,122 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 163 flow. Second operand 6 states and 430 transitions. [2024-11-28 03:30:23,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 327 flow [2024-11-28 03:30:23,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 112 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:30:23,140 INFO L231 Difference]: Finished difference. Result has 91 places, 100 transitions, 304 flow [2024-11-28 03:30:23,143 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=304, PETRI_PLACES=91, PETRI_TRANSITIONS=100} [2024-11-28 03:30:23,151 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 8 predicate places. [2024-11-28 03:30:23,151 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 100 transitions, 304 flow [2024-11-28 03:30:23,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:23,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:30:23,152 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] [2024-11-28 03:30:23,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:30:23,153 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 03:30:23,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:23,155 INFO L85 PathProgramCache]: Analyzing trace with hash 64161900, now seen corresponding path program 1 times [2024-11-28 03:30:23,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:23,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591797506] [2024-11-28 03:30:23,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:23,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:23,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:23,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591797506] [2024-11-28 03:30:23,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591797506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:23,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:23,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:23,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088134886] [2024-11-28 03:30:23,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:23,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:30:23,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:23,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:30:23,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:30:24,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 81 [2024-11-28 03:30:24,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 100 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:24,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:30:24,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 81 [2024-11-28 03:30:24,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:30:24,472 INFO L124 PetriNetUnfolderBase]: 118/628 cut-off events. [2024-11-28 03:30:24,473 INFO L125 PetriNetUnfolderBase]: For 99/109 co-relation queries the response was YES. [2024-11-28 03:30:24,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 628 events. 118/628 cut-off events. For 99/109 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4326 event pairs, 29 based on Foata normal form. 0/592 useless extension candidates. Maximal degree in co-relation 1099. Up to 204 conditions per place. [2024-11-28 03:30:24,484 INFO L140 encePairwiseOnDemand]: 70/81 looper letters, 42 selfloop transitions, 26 changer transitions 0/133 dead transitions. [2024-11-28 03:30:24,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 133 transitions, 526 flow [2024-11-28 03:30:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:30:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:30:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 414 transitions. [2024-11-28 03:30:24,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-11-28 03:30:24,493 INFO L175 Difference]: Start difference. First operand has 91 places, 100 transitions, 304 flow. Second operand 6 states and 414 transitions. [2024-11-28 03:30:24,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 133 transitions, 526 flow [2024-11-28 03:30:24,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 133 transitions, 526 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:30:24,503 INFO L231 Difference]: Finished difference. Result has 99 places, 122 transitions, 482 flow [2024-11-28 03:30:24,503 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=482, PETRI_PLACES=99, PETRI_TRANSITIONS=122} [2024-11-28 03:30:24,505 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 16 predicate places. [2024-11-28 03:30:24,505 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 122 transitions, 482 flow [2024-11-28 03:30:24,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:24,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:30:24,506 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] [2024-11-28 03:30:24,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:30:24,507 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 03:30:24,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:24,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1042240329, now seen corresponding path program 1 times [2024-11-28 03:30:24,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:24,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625033861] [2024-11-28 03:30:24,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:24,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:25,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:25,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625033861] [2024-11-28 03:30:25,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625033861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:25,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:25,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:25,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15368995] [2024-11-28 03:30:25,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:25,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:30:25,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:25,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:30:25,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:30:25,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 81 [2024-11-28 03:30:25,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 122 transitions, 482 flow. Second operand has 6 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:25,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:30:25,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 81 [2024-11-28 03:30:25,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:30:25,885 INFO L124 PetriNetUnfolderBase]: 294/1259 cut-off events. [2024-11-28 03:30:25,886 INFO L125 PetriNetUnfolderBase]: For 662/700 co-relation queries the response was YES. [2024-11-28 03:30:25,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2803 conditions, 1259 events. 294/1259 cut-off events. For 662/700 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9665 event pairs, 68 based on Foata normal form. 16/1187 useless extension candidates. Maximal degree in co-relation 2756. Up to 426 conditions per place. [2024-11-28 03:30:25,906 INFO L140 encePairwiseOnDemand]: 66/81 looper letters, 78 selfloop transitions, 59 changer transitions 0/196 dead transitions. [2024-11-28 03:30:25,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 196 transitions, 1117 flow [2024-11-28 03:30:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:30:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:30:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 415 transitions. [2024-11-28 03:30:25,910 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8539094650205762 [2024-11-28 03:30:25,910 INFO L175 Difference]: Start difference. First operand has 99 places, 122 transitions, 482 flow. Second operand 6 states and 415 transitions. [2024-11-28 03:30:25,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 196 transitions, 1117 flow [2024-11-28 03:30:25,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 196 transitions, 1117 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:30:25,924 INFO L231 Difference]: Finished difference. Result has 108 places, 174 transitions, 1000 flow [2024-11-28 03:30:25,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1000, PETRI_PLACES=108, PETRI_TRANSITIONS=174} [2024-11-28 03:30:25,926 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 25 predicate places. [2024-11-28 03:30:25,926 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 174 transitions, 1000 flow [2024-11-28 03:30:25,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:25,927 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:30:25,927 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] [2024-11-28 03:30:25,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:30:25,927 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 03:30:25,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:25,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1819396421, now seen corresponding path program 1 times [2024-11-28 03:30:25,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:25,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388428149] [2024-11-28 03:30:25,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:25,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:26,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:26,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388428149] [2024-11-28 03:30:26,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388428149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:26,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:26,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:26,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13881755] [2024-11-28 03:30:26,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:26,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:30:26,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:26,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:30:26,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:30:26,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 81 [2024-11-28 03:30:26,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 174 transitions, 1000 flow. Second operand has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:26,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:30:26,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 81 [2024-11-28 03:30:26,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:30:27,431 INFO L124 PetriNetUnfolderBase]: 482/1724 cut-off events. [2024-11-28 03:30:27,431 INFO L125 PetriNetUnfolderBase]: For 2248/2300 co-relation queries the response was YES. [2024-11-28 03:30:27,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4963 conditions, 1724 events. 482/1724 cut-off events. For 2248/2300 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 13883 event pairs, 92 based on Foata normal form. 14/1667 useless extension candidates. Maximal degree in co-relation 4909. Up to 681 conditions per place. [2024-11-28 03:30:27,453 INFO L140 encePairwiseOnDemand]: 66/81 looper letters, 109 selfloop transitions, 77 changer transitions 11/260 dead transitions. [2024-11-28 03:30:27,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 260 transitions, 1922 flow [2024-11-28 03:30:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:30:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:30:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 400 transitions. [2024-11-28 03:30:27,456 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.823045267489712 [2024-11-28 03:30:27,456 INFO L175 Difference]: Start difference. First operand has 108 places, 174 transitions, 1000 flow. Second operand 6 states and 400 transitions. [2024-11-28 03:30:27,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 260 transitions, 1922 flow [2024-11-28 03:30:27,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 260 transitions, 1854 flow, removed 34 selfloop flow, removed 0 redundant places. [2024-11-28 03:30:27,491 INFO L231 Difference]: Finished difference. Result has 117 places, 224 transitions, 1568 flow [2024-11-28 03:30:27,494 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1568, PETRI_PLACES=117, PETRI_TRANSITIONS=224} [2024-11-28 03:30:27,495 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 34 predicate places. [2024-11-28 03:30:27,495 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 224 transitions, 1568 flow [2024-11-28 03:30:27,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:27,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:30:27,496 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] [2024-11-28 03:30:27,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:30:27,496 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 03:30:27,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:27,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1653621330, now seen corresponding path program 1 times [2024-11-28 03:30:27,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:27,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360469728] [2024-11-28 03:30:27,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:27,551 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:30:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:27,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:30:27,612 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:30:27,614 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-28 03:30:27,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-28 03:30:27,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-28 03:30:27,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-28 03:30:27,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-28 03:30:27,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-28 03:30:27,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-28 03:30:27,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:30:27,623 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 03:30:27,686 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:30:27,687 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:30:27,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:30:27 BasicIcfg [2024-11-28 03:30:27,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:30:27,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:30:27,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:30:27,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:30:27,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:20" (3/4) ... [2024-11-28 03:30:27,705 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 03:30:27,777 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-28 03:30:27,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:30:27,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:30:27,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:30:27,834 INFO L158 Benchmark]: Toolchain (without parser) took 8433.91ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.5MB in the beginning and 78.9MB in the end (delta: 12.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-28 03:30:27,834 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:27,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.62ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.4MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:30:27,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.72ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:27,835 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:27,836 INFO L158 Benchmark]: RCFGBuilder took 434.82ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 55.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:27,836 INFO L158 Benchmark]: TraceAbstraction took 7161.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 54.8MB in the beginning and 85.4MB in the end (delta: -30.6MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-11-28 03:30:27,836 INFO L158 Benchmark]: Witness Printer took 132.14ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 78.9MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:27,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.62ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.4MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.72ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.82ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 55.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7161.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 54.8MB in the beginning and 85.4MB in the end (delta: -30.6MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. * Witness Printer took 132.14ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 78.9MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 694]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, i=4, id=-1] [L694] EXPR 0 data[i] VAL [\old(arg)={0:0}, data={1:0}, i=4, id=-1] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, data={1:0}, i=4, id=-1] [L686] EXPR 1 data[4] VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L686] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i=4, id=-1] [L686] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i=4, id=-1] [L686] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i=4, id=-1] Now there is a data race (on the heap) between C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 105 locations, 7 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: 6.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 474 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 997 IncrementalHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 5 mSDtfsCounter, 997 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1568occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 2.7s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 574 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:30:27,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a174894-9c2a-4677-b9a8-26fc04b9a47e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)