./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje --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 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:43:09,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:43:09,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 04:43:09,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:43:09,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:43:09,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:43:09,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:43:09,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:43:09,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:43:09,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:43:09,578 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:43:09,579 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:43:09,579 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:43:09,579 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:43:09,580 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:43:09,580 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:43:09,583 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:43:09,585 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:43:09,586 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:43:09,586 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:43:09,586 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:43:09,589 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:43:09,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:43:09,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:43:09,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:43:09,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:43:09,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:43:09,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:43:09,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:43:09,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:43:09,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:43:09,592 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 04:43:09,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:43:09,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:43:09,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:43:09,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:43:09,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:43:09,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:43:09,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:43:09,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:43:09,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:43:09,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:43:09,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:43:09,597 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:43:09,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:43:09,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:43:09,598 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:43:09,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:43:09,599 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2024-11-09 04:43:09,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:43:09,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:43:09,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:43:09,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:43:09,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:43:09,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i Unable to find full path for "g++" [2024-11-09 04:43:11,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:43:12,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:43:12,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2024-11-09 04:43:12,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/data/4c99fb49c/2ec4dd36e01b4649a7a9c8cca8169a92/FLAG298b8836f [2024-11-09 04:43:12,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/data/4c99fb49c/2ec4dd36e01b4649a7a9c8cca8169a92 [2024-11-09 04:43:12,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:43:12,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:43:12,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:43:12,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:43:12,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:43:12,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:12" (1/1) ... [2024-11-09 04:43:12,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f452258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:12, skipping insertion in model container [2024-11-09 04:43:12,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:12" (1/1) ... [2024-11-09 04:43:12,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:43:13,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:43:13,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:43:13,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:43:13,159 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:43:13,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13 WrapperNode [2024-11-09 04:43:13,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:43:13,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:43:13,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:43:13,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:43:13,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,212 INFO L138 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-09 04:43:13,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:43:13,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:43:13,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:43:13,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:43:13,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:43:13,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:43:13,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:43:13,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:43:13,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (1/1) ... [2024-11-09 04:43:13,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:43:13,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:43:13,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:43:13,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:43:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 04:43:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:43:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:43:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 04:43:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:43:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 04:43:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 04:43:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:43:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:43:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:43:13,318 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 04:43:13,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:43:13,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:43:13,683 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:43:13,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:43:13,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:43:13,708 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:43:13,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:13 BoogieIcfgContainer [2024-11-09 04:43:13,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:43:13,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:43:13,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:43:13,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:43:13,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:43:12" (1/3) ... [2024-11-09 04:43:13,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc974f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:13, skipping insertion in model container [2024-11-09 04:43:13,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:13" (2/3) ... [2024-11-09 04:43:13,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc974f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:13, skipping insertion in model container [2024-11-09 04:43:13,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:13" (3/3) ... [2024-11-09 04:43:13,718 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2024-11-09 04:43:13,736 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:43:13,736 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 04:43:13,737 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:43:13,823 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 04:43:13,856 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 92 transitions, 191 flow [2024-11-09 04:43:13,978 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 894 states, 886 states have (on average 1.9187358916478556) internal successors, (1700), 893 states have internal predecessors, (1700), 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) [2024-11-09 04:43:14,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:43:14,035 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;@2cab750e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:43:14,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-09 04:43:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 894 states, 886 states have (on average 1.9187358916478556) internal successors, (1700), 893 states have internal predecessors, (1700), 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) [2024-11-09 04:43:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 04:43:14,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:14,059 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, 1, 1, 1, 1] [2024-11-09 04:43:14,060 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)] === [2024-11-09 04:43:14,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:14,066 INFO L85 PathProgramCache]: Analyzing trace with hash 422323157, now seen corresponding path program 1 times [2024-11-09 04:43:14,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:14,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744262438] [2024-11-09 04:43:14,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:15,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744262438] [2024-11-09 04:43:15,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744262438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:15,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:15,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:15,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398745009] [2024-11-09 04:43:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:15,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:15,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:15,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:15,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:15,141 INFO L87 Difference]: Start difference. First operand has 894 states, 886 states have (on average 1.9187358916478556) internal successors, (1700), 893 states have internal predecessors, (1700), 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 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-09 04:43:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:15,517 INFO L93 Difference]: Finished difference Result 990 states and 1884 transitions. [2024-11-09 04:43:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:43:15,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2024-11-09 04:43:15,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:15,540 INFO L225 Difference]: With dead ends: 990 [2024-11-09 04:43:15,540 INFO L226 Difference]: Without dead ends: 960 [2024-11-09 04:43:15,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:15,547 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 90 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:15,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 262 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 04:43:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-09 04:43:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 924. [2024-11-09 04:43:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 917 states have (on average 1.9149400218102508) internal successors, (1756), 923 states have internal predecessors, (1756), 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) [2024-11-09 04:43:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1756 transitions. [2024-11-09 04:43:15,667 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1756 transitions. Word has length 40 [2024-11-09 04:43:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:15,668 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1756 transitions. [2024-11-09 04:43:15,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-09 04:43:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1756 transitions. [2024-11-09 04:43:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 04:43:15,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:15,670 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, 1, 1, 1, 1, 1] [2024-11-09 04:43:15,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:43:15,671 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)] === [2024-11-09 04:43:15,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash -724085016, now seen corresponding path program 1 times [2024-11-09 04:43:15,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:15,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266955877] [2024-11-09 04:43:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:15,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:16,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:16,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266955877] [2024-11-09 04:43:16,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266955877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:16,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:16,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:16,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225968358] [2024-11-09 04:43:16,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:16,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:16,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:16,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:16,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:16,057 INFO L87 Difference]: Start difference. First operand 924 states and 1756 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-09 04:43:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:16,326 INFO L93 Difference]: Finished difference Result 1036 states and 1972 transitions. [2024-11-09 04:43:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:43:16,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2024-11-09 04:43:16,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:16,333 INFO L225 Difference]: With dead ends: 1036 [2024-11-09 04:43:16,334 INFO L226 Difference]: Without dead ends: 1006 [2024-11-09 04:43:16,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:16,339 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 93 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:16,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 291 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:43:16,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-09 04:43:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 964. [2024-11-09 04:43:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 957 states have (on average 1.9143155694879832) internal successors, (1832), 963 states have internal predecessors, (1832), 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) [2024-11-09 04:43:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1832 transitions. [2024-11-09 04:43:16,377 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1832 transitions. Word has length 41 [2024-11-09 04:43:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:16,377 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1832 transitions. [2024-11-09 04:43:16,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-09 04:43:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1832 transitions. [2024-11-09 04:43:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 04:43:16,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:16,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:16,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:43:16,383 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)] === [2024-11-09 04:43:16,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:16,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1034322853, now seen corresponding path program 1 times [2024-11-09 04:43:16,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:16,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376239598] [2024-11-09 04:43:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:16,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:16,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:16,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376239598] [2024-11-09 04:43:16,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376239598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:16,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:16,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:16,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253333272] [2024-11-09 04:43:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:16,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:16,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:16,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:16,795 INFO L87 Difference]: Start difference. First operand 964 states and 1832 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-09 04:43:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:17,071 INFO L93 Difference]: Finished difference Result 1099 states and 2084 transitions. [2024-11-09 04:43:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:43:17,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2024-11-09 04:43:17,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:17,080 INFO L225 Difference]: With dead ends: 1099 [2024-11-09 04:43:17,081 INFO L226 Difference]: Without dead ends: 925 [2024-11-09 04:43:17,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:17,085 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 88 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:17,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 297 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:43:17,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-09 04:43:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 893. [2024-11-09 04:43:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 886 states have (on average 1.8950338600451466) internal successors, (1679), 892 states have internal predecessors, (1679), 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) [2024-11-09 04:43:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1679 transitions. [2024-11-09 04:43:17,118 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1679 transitions. Word has length 47 [2024-11-09 04:43:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:17,120 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1679 transitions. [2024-11-09 04:43:17,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-09 04:43:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1679 transitions. [2024-11-09 04:43:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 04:43:17,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:17,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:17,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:43:17,125 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)] === [2024-11-09 04:43:17,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:17,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1958275567, now seen corresponding path program 1 times [2024-11-09 04:43:17,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:17,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634409374] [2024-11-09 04:43:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:17,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:17,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:17,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634409374] [2024-11-09 04:43:17,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634409374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:17,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:17,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:17,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75760864] [2024-11-09 04:43:17,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:17,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:17,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:17,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:17,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:17,469 INFO L87 Difference]: Start difference. First operand 893 states and 1679 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-11-09 04:43:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:17,732 INFO L93 Difference]: Finished difference Result 1025 states and 1914 transitions. [2024-11-09 04:43:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:43:17,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2024-11-09 04:43:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:17,738 INFO L225 Difference]: With dead ends: 1025 [2024-11-09 04:43:17,738 INFO L226 Difference]: Without dead ends: 797 [2024-11-09 04:43:17,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:17,743 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 92 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:17,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 304 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:43:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-09 04:43:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 781. [2024-11-09 04:43:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 774 states have (on average 1.855297157622739) internal successors, (1436), 780 states have internal predecessors, (1436), 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) [2024-11-09 04:43:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1436 transitions. [2024-11-09 04:43:17,775 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1436 transitions. Word has length 48 [2024-11-09 04:43:17,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:17,775 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1436 transitions. [2024-11-09 04:43:17,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-11-09 04:43:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1436 transitions. [2024-11-09 04:43:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 04:43:17,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:17,777 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:17,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:43:17,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 04:43:17,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1850406213, now seen corresponding path program 1 times [2024-11-09 04:43:17,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:17,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163280288] [2024-11-09 04:43:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:17,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:43:17,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:43:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:43:17,858 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:43:17,858 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:43:17,860 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-09 04:43:17,861 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-09 04:43:17,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-09 04:43:17,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-09 04:43:17,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-09 04:43:17,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-09 04:43:17,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-09 04:43:17,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:43:17,868 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 04:43:17,945 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 04:43:17,946 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:43:17,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:43:17 BasicIcfg [2024-11-09 04:43:17,949 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:43:17,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:43:17,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:43:17,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:43:17,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:13" (3/4) ... [2024-11-09 04:43:17,951 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 04:43:18,023 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:43:18,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:43:18,024 INFO L158 Benchmark]: Toolchain (without parser) took 5768.50ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 146.3MB in the beginning and 89.8MB in the end (delta: 56.6MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,024 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:43:18,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.03ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 115.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.95ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 112.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,025 INFO L158 Benchmark]: Boogie Preprocessor took 40.16ms. Allocated memory is still 180.4MB. Free memory was 112.8MB in the beginning and 110.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,025 INFO L158 Benchmark]: RCFGBuilder took 453.70ms. Allocated memory is still 180.4MB. Free memory was 110.7MB in the beginning and 93.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,026 INFO L158 Benchmark]: TraceAbstraction took 4237.37ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 92.9MB in the beginning and 97.1MB in the end (delta: -4.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,026 INFO L158 Benchmark]: Witness Printer took 74.00ms. Allocated memory is still 218.1MB. Free memory was 97.1MB in the beginning and 89.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 04:43:18,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.03ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 115.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.95ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 112.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.16ms. Allocated memory is still 180.4MB. Free memory was 112.8MB in the beginning and 110.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.70ms. Allocated memory is still 180.4MB. Free memory was 110.7MB in the beginning and 93.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4237.37ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 92.9MB in the beginning and 97.1MB in the end (delta: -4.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 74.00ms. Allocated memory is still 218.1MB. Free memory was 97.1MB in the beginning and 89.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; VAL [myglobal1={1:0}] [L918] 0 int myglobal2; VAL [myglobal1={1:0}, myglobal2=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal1={1:0}, myglobal2=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0] [L931] 0 pthread_t id; VAL [mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id=-1, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0] [L933] CALL 0 munge(&mutex2,&myglobal1) [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 1 \read(*v) VAL [\old(m)={2:0}, \old(v)={1:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}] [L923] EXPR 1 *v+1 VAL [\old(m)={2:0}, \old(v)={1:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}] [L923] 1 *v=*v+1 VAL [\old(m)={2:0}, \old(v)={1:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}] [L923] EXPR 0 \read(*v) VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 1 *v=*v+1 VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *v+1 [923] * C: *v+1 [923] * C: *v+1 [923] * C: *v+1 [923] and C: *v=*v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: 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, 125 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 363 mSDsluCounter, 1154 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 603 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 807 IncrementalHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 551 mSDtfsCounter, 807 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=964occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 126 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 04:43:18,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec6f7d-c002-4df1-b9b9-f0d8a8867ac9/bin/utaipan-verify-YMUCfTKeje/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE