./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:47:03,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:47:03,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 05:47:03,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:47:03,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:47:03,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:47:03,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:47:03,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:47:03,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:47:03,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:47:03,419 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:47:03,420 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:47:03,420 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:47:03,420 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:47:03,422 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:47:03,422 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:47:03,423 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:47:03,423 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:47:03,423 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:47:03,423 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:47:03,423 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:47:03,423 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:47:03,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:47:03,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:47:03,425 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 05:47:03,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:47:03,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:47:03,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:47:03,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:47:03,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:47:03,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:47:03,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:47:03,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:47:03,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:47:03,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:47:03,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:47:03,427 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:47:03,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:47:03,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:47:03,428 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:47:03,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:47:03,428 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 [2024-11-14 05:47:03,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:47:03,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:47:03,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:47:03,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:47:03,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:47:03,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i Unable to find full path for "g++" [2024-11-14 05:47:05,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:47:06,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:47:06,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i [2024-11-14 05:47:06,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/data/575926d7f/b891ef00f1b54961b7f0984917be8698/FLAGc29c3009f [2024-11-14 05:47:06,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/data/575926d7f/b891ef00f1b54961b7f0984917be8698 [2024-11-14 05:47:06,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:47:06,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:47:06,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:47:06,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:47:06,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:47:06,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f68ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06, skipping insertion in model container [2024-11-14 05:47:06,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:47:06,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:47:06,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:47:06,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:47:06,823 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:47:06,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06 WrapperNode [2024-11-14 05:47:06,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:47:06,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:47:06,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:47:06,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:47:06,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,866 INFO L138 Inliner]: procedures = 165, calls = 23, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 57 [2024-11-14 05:47:06,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:47:06,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:47:06,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:47:06,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:47:06,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:47:06,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:47:06,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:47:06,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:47:06,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:47:06,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:47:06,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:47:06,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:47:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 05:47:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:47:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 05:47:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 05:47:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:47:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:47:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 05:47:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:47:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:47:06,976 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:47:07,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:47:07,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:47:07,314 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:47:07,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:47:07,343 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:47:07,344 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:47:07,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:07 BoogieIcfgContainer [2024-11-14 05:47:07,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:47:07,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:47:07,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:47:07,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:47:07,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:47:06" (1/3) ... [2024-11-14 05:47:07,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0e69c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:07, skipping insertion in model container [2024-11-14 05:47:07,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06" (2/3) ... [2024-11-14 05:47:07,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0e69c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:07, skipping insertion in model container [2024-11-14 05:47:07,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:07" (3/3) ... [2024-11-14 05:47:07,358 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2024-11-14 05:47:07,376 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:47:07,378 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_47-refine-protected2_true.i that has 2 procedures, 81 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-14 05:47:07,379 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:47:07,446 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:47:07,495 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 85 transitions, 174 flow [2024-11-14 05:47:07,584 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 452 states, 445 states have (on average 1.939325842696629) internal successors, (863), 451 states have internal predecessors, (863), 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) [2024-11-14 05:47:07,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:47:07,625 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=FINITE_AUTOMATA, 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;@20984ca8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:47:07,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-14 05:47:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 445 states have (on average 1.939325842696629) internal successors, (863), 451 states have internal predecessors, (863), 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) [2024-11-14 05:47:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:47:07,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:07,637 INFO L215 NwaCegarLoop]: 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] [2024-11-14 05:47:07,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-14 05:47:07,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1765935940, now seen corresponding path program 1 times [2024-11-14 05:47:07,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:07,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076695368] [2024-11-14 05:47:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:07,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:47:07,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:07,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076695368] [2024-11-14 05:47:07,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076695368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:07,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:07,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:47:07,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442330595] [2024-11-14 05:47:07,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:07,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:07,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:08,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:08,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:08,007 INFO L87 Difference]: Start difference. First operand has 452 states, 445 states have (on average 1.939325842696629) internal successors, (863), 451 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-14 05:47:08,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:08,144 INFO L93 Difference]: Finished difference Result 662 states and 1232 transitions. [2024-11-14 05:47:08,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:08,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) Word has length 30 [2024-11-14 05:47:08,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:08,166 INFO L225 Difference]: With dead ends: 662 [2024-11-14 05:47:08,167 INFO L226 Difference]: Without dead ends: 416 [2024-11-14 05:47:08,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:08,176 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 41 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:08,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 136 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:47:08,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-14 05:47:08,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 360. [2024-11-14 05:47:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 351 states have (on average 1.811965811965812) internal successors, (636), 359 states have internal predecessors, (636), 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) [2024-11-14 05:47:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 636 transitions. [2024-11-14 05:47:08,258 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 636 transitions. Word has length 30 [2024-11-14 05:47:08,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:08,258 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 636 transitions. [2024-11-14 05:47:08,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-14 05:47:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 636 transitions. [2024-11-14 05:47:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 05:47:08,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:08,260 INFO L215 NwaCegarLoop]: 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] [2024-11-14 05:47:08,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:47:08,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-14 05:47:08,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:08,261 INFO L85 PathProgramCache]: Analyzing trace with hash -813198969, now seen corresponding path program 1 times [2024-11-14 05:47:08,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:08,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358046316] [2024-11-14 05:47:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:47:08,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:08,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358046316] [2024-11-14 05:47:08,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358046316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:08,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:08,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:47:08,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874145839] [2024-11-14 05:47:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:08,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:08,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:08,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:08,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:08,347 INFO L87 Difference]: Start difference. First operand 360 states and 636 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-14 05:47:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:08,415 INFO L93 Difference]: Finished difference Result 419 states and 723 transitions. [2024-11-14 05:47:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:08,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-14 05:47:08,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:08,418 INFO L225 Difference]: With dead ends: 419 [2024-11-14 05:47:08,418 INFO L226 Difference]: Without dead ends: 202 [2024-11-14 05:47:08,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:08,424 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 37 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:08,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 155 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:47:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-14 05:47:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2024-11-14 05:47:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 196 states have (on average 1.5816326530612246) internal successors, (310), 201 states have internal predecessors, (310), 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) [2024-11-14 05:47:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 310 transitions. [2024-11-14 05:47:08,444 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 310 transitions. Word has length 31 [2024-11-14 05:47:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:08,445 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 310 transitions. [2024-11-14 05:47:08,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-14 05:47:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 310 transitions. [2024-11-14 05:47:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 05:47:08,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:08,446 INFO L215 NwaCegarLoop]: 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] [2024-11-14 05:47:08,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:47:08,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-14 05:47:08,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:08,447 INFO L85 PathProgramCache]: Analyzing trace with hash 242413523, now seen corresponding path program 1 times [2024-11-14 05:47:08,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:08,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155561774] [2024-11-14 05:47:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:08,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:47:08,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:08,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155561774] [2024-11-14 05:47:08,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155561774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:08,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:08,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:47:08,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574847168] [2024-11-14 05:47:08,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:08,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:08,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:08,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:08,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:08,680 INFO L87 Difference]: Start difference. First operand 202 states and 310 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-14 05:47:08,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:08,723 INFO L93 Difference]: Finished difference Result 202 states and 310 transitions. [2024-11-14 05:47:08,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) Word has length 36 [2024-11-14 05:47:08,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:08,729 INFO L225 Difference]: With dead ends: 202 [2024-11-14 05:47:08,729 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:47:08,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:08,730 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:08,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 57 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:47:08,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:47:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:47:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-14 05:47:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:47:08,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2024-11-14 05:47:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:08,736 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:47:08,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-14 05:47:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:47:08,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:47:08,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-14 05:47:08,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2024-11-14 05:47:08,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-14 05:47:08,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-14 05:47:08,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-14 05:47:08,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-14 05:47:08,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:47:08,746 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 05:47:08,750 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:47:08,750 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:47:08,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:47:08 BasicIcfg [2024-11-14 05:47:08,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:47:08,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:47:08,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:47:08,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:47:08,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:07" (3/4) ... [2024-11-14 05:47:08,763 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:47:08,766 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-14 05:47:08,771 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 05:47:08,771 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 05:47:08,771 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 05:47:08,772 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:47:08,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:47:08,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:47:08,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:47:08,845 INFO L158 Benchmark]: Toolchain (without parser) took 2592.96ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 40.5MB in the end (delta: 52.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-14 05:47:08,845 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:08,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.58ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 73.2MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:47:08,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.22ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:08,846 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.6MB in the end (delta: 769.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:47:08,847 INFO L158 Benchmark]: RCFGBuilder took 445.98ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 57.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:47:08,847 INFO L158 Benchmark]: TraceAbstraction took 1410.04ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 44.6MB in the end (delta: 11.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-14 05:47:08,847 INFO L158 Benchmark]: Witness Printer took 86.90ms. Allocated memory is still 117.4MB. Free memory was 44.6MB in the beginning and 40.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:08,849 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 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.58ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 73.2MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.22ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.6MB in the end (delta: 769.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 445.98ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 57.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1410.04ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 44.6MB in the end (delta: 11.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Witness Printer took 86.90ms. Allocated memory is still 117.4MB. Free memory was 44.6MB in the beginning and 40.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: 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, 96 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 133 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 215 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 05:47:08,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7270d-dff5-4347-9c48-f109a39294f2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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