./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ --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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:07,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:07,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 04:55:07,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:07,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:07,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:07,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:07,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:07,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:07,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:07,688 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:07,689 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:07,690 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:07,692 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:07,693 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:07,693 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:07,694 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:07,694 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:07,695 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:07,696 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:07,698 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:07,699 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:07,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:07,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:07,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:07,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:07,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:07,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:07,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:07,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:07,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:07,706 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 04:55:07,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:55:07,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:07,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:07,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:07,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:07,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:07,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:07,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:07,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:07,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:07,711 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:07,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:07,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:07,712 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:07,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:07,713 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_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2023-11-19 04:55:08,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:08,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:08,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:08,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:08,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:08,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2023-11-19 04:55:11,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:11,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:11,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2023-11-19 04:55:11,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/data/a06698b45/c2d93f44498046579c9e85ed2705880b/FLAGd759d5f4e [2023-11-19 04:55:11,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/data/a06698b45/c2d93f44498046579c9e85ed2705880b [2023-11-19 04:55:11,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:11,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:11,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:11,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:11,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:11,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:11" (1/1) ... [2023-11-19 04:55:11,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39069da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:11, skipping insertion in model container [2023-11-19 04:55:11,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:11" (1/1) ... [2023-11-19 04:55:11,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:12,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:12,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:12,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:12,257 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:12,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12 WrapperNode [2023-11-19 04:55:12,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:12,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:12,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:12,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:12,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,351 INFO L138 Inliner]: procedures = 364, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-19 04:55:12,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:12,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:12,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:12,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:12,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:12,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:12,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:12,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:12,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:12,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:12,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:12,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:55:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:55:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:55:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:55:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:55:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2023-11-19 04:55:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2023-11-19 04:55:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:12,527 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:55:12,764 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:12,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:13,075 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:13,089 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:13,090 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:55:13,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:13 BoogieIcfgContainer [2023-11-19 04:55:13,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:13,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:13,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:13,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:13,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:11" (1/3) ... [2023-11-19 04:55:13,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483136a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:13, skipping insertion in model container [2023-11-19 04:55:13,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (2/3) ... [2023-11-19 04:55:13,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483136a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:13, skipping insertion in model container [2023-11-19 04:55:13,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:13" (3/3) ... [2023-11-19 04:55:13,106 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2023-11-19 04:55:13,117 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:55:13,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:13,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-19 04:55:13,130 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:55:13,205 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 04:55:13,248 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:55:13,266 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 122 transitions, 251 flow [2023-11-19 04:55:13,269 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 122 transitions, 251 flow [2023-11-19 04:55:13,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 122 transitions, 251 flow [2023-11-19 04:55:13,350 INFO L124 PetriNetUnfolderBase]: 8/121 cut-off events. [2023-11-19 04:55:13,351 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 04:55:13,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 121 events. 8/121 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 164 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-19 04:55:13,363 INFO L119 LiptonReduction]: Number of co-enabled transitions 1782 [2023-11-19 04:55:16,260 INFO L134 LiptonReduction]: Checked pairs total: 4180 [2023-11-19 04:55:16,261 INFO L136 LiptonReduction]: Total number of compositions: 110 [2023-11-19 04:55:16,270 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 31 transitions, 69 flow [2023-11-19 04:55:16,318 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 149 states, 136 states have (on average 2.1544117647058822) internal successors, (293), 148 states have internal predecessors, (293), 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) [2023-11-19 04:55:16,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:16,388 INFO L357 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, mHoare=true, 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;@62b3fe79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:16,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-19 04:55:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 136 states have (on average 2.1544117647058822) internal successors, (293), 148 states have internal predecessors, (293), 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) [2023-11-19 04:55:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 04:55:16,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:16,400 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 04:55:16,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 04:55:16,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:16,410 INFO L85 PathProgramCache]: Analyzing trace with hash 448, now seen corresponding path program 1 times [2023-11-19 04:55:16,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:16,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356122491] [2023-11-19 04:55:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:16,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:16,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356122491] [2023-11-19 04:55:16,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356122491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:16,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:16,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 04:55:16,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734691187] [2023-11-19 04:55:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:16,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:55:16,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:55:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:16,612 INFO L87 Difference]: Start difference. First operand has 149 states, 136 states have (on average 2.1544117647058822) internal successors, (293), 148 states have internal predecessors, (293), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 04:55:16,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:16,683 INFO L93 Difference]: Finished difference Result 135 states and 267 transitions. [2023-11-19 04:55:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:55:16,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2023-11-19 04:55:16,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:16,701 INFO L225 Difference]: With dead ends: 135 [2023-11-19 04:55:16,701 INFO L226 Difference]: Without dead ends: 133 [2023-11-19 04:55:16,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:16,707 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:16,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:16,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-19 04:55:16,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-11-19 04:55:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 125 states have (on average 2.112) internal successors, (264), 132 states have internal predecessors, (264), 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) [2023-11-19 04:55:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 264 transitions. [2023-11-19 04:55:16,775 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 264 transitions. Word has length 1 [2023-11-19 04:55:16,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:16,775 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 264 transitions. [2023-11-19 04:55:16,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 04:55:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 264 transitions. [2023-11-19 04:55:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:55:16,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:16,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:55:16,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:55:16,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 04:55:16,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:16,778 INFO L85 PathProgramCache]: Analyzing trace with hash 208560189, now seen corresponding path program 1 times [2023-11-19 04:55:16,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:16,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573940011] [2023-11-19 04:55:16,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:16,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:16,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:16,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573940011] [2023-11-19 04:55:16,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573940011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:16,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:16,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:16,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611296223] [2023-11-19 04:55:16,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:16,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:16,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:16,934 INFO L87 Difference]: Start difference. First operand 133 states and 264 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 04:55:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:17,026 INFO L93 Difference]: Finished difference Result 172 states and 335 transitions. [2023-11-19 04:55:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:17,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-19 04:55:17,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:17,030 INFO L225 Difference]: With dead ends: 172 [2023-11-19 04:55:17,031 INFO L226 Difference]: Without dead ends: 172 [2023-11-19 04:55:17,031 INFO L412 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 [2023-11-19 04:55:17,033 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:17,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:55:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-19 04:55:17,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 142. [2023-11-19 04:55:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 135 states have (on average 2.037037037037037) internal successors, (275), 141 states have internal predecessors, (275), 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) [2023-11-19 04:55:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 275 transitions. [2023-11-19 04:55:17,060 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 275 transitions. Word has length 6 [2023-11-19 04:55:17,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:17,061 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 275 transitions. [2023-11-19 04:55:17,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 04:55:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 275 transitions. [2023-11-19 04:55:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:55:17,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:17,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:17,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:55:17,063 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 04:55:17,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2140250146, now seen corresponding path program 1 times [2023-11-19 04:55:17,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:17,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241794058] [2023-11-19 04:55:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:17,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241794058] [2023-11-19 04:55:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241794058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:17,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:17,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:17,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584887927] [2023-11-19 04:55:17,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:17,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:17,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:17,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:17,172 INFO L87 Difference]: Start difference. First operand 142 states and 275 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-19 04:55:17,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:17,222 INFO L93 Difference]: Finished difference Result 148 states and 287 transitions. [2023-11-19 04:55:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:17,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-19 04:55:17,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:17,224 INFO L225 Difference]: With dead ends: 148 [2023-11-19 04:55:17,224 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 04:55:17,225 INFO L412 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 [2023-11-19 04:55:17,226 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:17,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 04:55:17,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-11-19 04:55:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 134 states have (on average 2.0074626865671643) internal successors, (269), 139 states have internal predecessors, (269), 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) [2023-11-19 04:55:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 269 transitions. [2023-11-19 04:55:17,237 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 269 transitions. Word has length 9 [2023-11-19 04:55:17,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:17,237 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 269 transitions. [2023-11-19 04:55:17,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-19 04:55:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 269 transitions. [2023-11-19 04:55:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:55:17,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:17,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:17,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:55:17,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 04:55:17,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:17,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1918057582, now seen corresponding path program 1 times [2023-11-19 04:55:17,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:17,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133108454] [2023-11-19 04:55:17,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:17,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133108454] [2023-11-19 04:55:17,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133108454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:17,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:17,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280845419] [2023-11-19 04:55:17,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:17,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:17,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:17,307 INFO L87 Difference]: Start difference. First operand 140 states and 269 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-19 04:55:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:17,354 INFO L93 Difference]: Finished difference Result 141 states and 271 transitions. [2023-11-19 04:55:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:17,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2023-11-19 04:55:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:17,356 INFO L225 Difference]: With dead ends: 141 [2023-11-19 04:55:17,356 INFO L226 Difference]: Without dead ends: 132 [2023-11-19 04:55:17,356 INFO L412 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 [2023-11-19 04:55:17,358 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:17,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:17,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-19 04:55:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-11-19 04:55:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 128 states have (on average 1.9609375) internal successors, (251), 131 states have internal predecessors, (251), 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) [2023-11-19 04:55:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 251 transitions. [2023-11-19 04:55:17,380 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 251 transitions. Word has length 10 [2023-11-19 04:55:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:17,381 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 251 transitions. [2023-11-19 04:55:17,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-19 04:55:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 251 transitions. [2023-11-19 04:55:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:55:17,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:17,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:17,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:55:17,384 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 04:55:17,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:17,385 INFO L85 PathProgramCache]: Analyzing trace with hash -221889232, now seen corresponding path program 1 times [2023-11-19 04:55:17,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:17,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853678188] [2023-11-19 04:55:17,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:17,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:17,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:17,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853678188] [2023-11-19 04:55:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853678188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:17,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:17,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:55:17,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171547181] [2023-11-19 04:55:17,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:17,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:17,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:17,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:17,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:17,554 INFO L87 Difference]: Start difference. First operand 132 states and 251 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-19 04:55:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:17,577 INFO L93 Difference]: Finished difference Result 32 states and 49 transitions. [2023-11-19 04:55:17,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:17,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2023-11-19 04:55:17,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:17,579 INFO L225 Difference]: With dead ends: 32 [2023-11-19 04:55:17,579 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:55:17,579 INFO L412 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 [2023-11-19 04:55:17,580 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:17,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:17,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:55:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:55:17,582 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) [2023-11-19 04:55:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:55:17,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-11-19 04:55:17,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:17,583 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:55:17,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-19 04:55:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:55:17,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:55:17,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-19 04:55:17,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-19 04:55:17,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-19 04:55:17,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-19 04:55:17,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-19 04:55:17,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-19 04:55:17,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-19 04:55:17,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-19 04:55:17,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-19 04:55:17,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-19 04:55:17,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:55:17,591 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 04:55:17,596 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 04:55:17,596 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:55:17,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:55:17 BasicIcfg [2023-11-19 04:55:17,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:55:17,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:55:17,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:55:17,600 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:55:17,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:13" (3/4) ... [2023-11-19 04:55:17,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:55:17,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2023-11-19 04:55:17,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 04:55:17,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:55:17,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:55:17,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:55:17,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:55:17,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:55:17,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:55:17,705 INFO L158 Benchmark]: Toolchain (without parser) took 6346.38ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 77.6MB in the end (delta: 58.3MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,705 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:17,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.65ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 97.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.33ms. Allocated memory is still 184.5MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,706 INFO L158 Benchmark]: Boogie Preprocessor took 52.46ms. Allocated memory is still 184.5MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,707 INFO L158 Benchmark]: RCFGBuilder took 689.05ms. Allocated memory is still 184.5MB. Free memory was 93.3MB in the beginning and 150.7MB in the end (delta: -57.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,707 INFO L158 Benchmark]: TraceAbstraction took 4501.47ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 81.8MB in the end (delta: 68.0MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,708 INFO L158 Benchmark]: Witness Printer took 104.64ms. Allocated memory is still 184.5MB. Free memory was 81.8MB in the beginning and 77.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:55:17,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.65ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 97.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.33ms. Allocated memory is still 184.5MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.46ms. Allocated memory is still 184.5MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.05ms. Allocated memory is still 184.5MB. Free memory was 93.3MB in the beginning and 150.7MB in the end (delta: -57.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4501.47ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 81.8MB in the end (delta: 68.0MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Witness Printer took 104.64ms. Allocated memory is still 184.5MB. Free memory was 81.8MB in the beginning and 77.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 118 PlacesBefore, 33 PlacesAfterwards, 122 TransitionsBefore, 31 TransitionsAfterwards, 1782 CoEnabledTransitionPairs, 6 FixpointIterations, 56 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 5 ConcurrentYvCompositions, 6 ChoiceCompositions, 110 TotalNumberOfCompositions, 4180 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2597, independent: 2384, independent conditional: 0, independent unconditional: 2384, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1267, independent: 1229, independent conditional: 0, independent unconditional: 1229, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1267, independent: 1220, independent conditional: 0, independent unconditional: 1220, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2597, independent: 1155, independent conditional: 0, independent unconditional: 1155, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 1267, unknown conditional: 0, unknown unconditional: 1267] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 158, Positive conditional cache size: 0, Positive unconditional cache size: 158, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: 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, 142 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 34 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 04:55:17,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e12736c-edf0-4a1d-b19d-99fd5e46d969/bin/utaipan-verify-t7M7D8N6sZ/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