./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX --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 8dedc3ea8e96f333d418860556906c8618bbf50be75cff10b45de6d34fe23444 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:56,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:56,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 00:58:56,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:56,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:56,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:56,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:56,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:56,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:56,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:56,890 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:56,891 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:56,891 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:56,892 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:56,893 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:56,893 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:56,894 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:56,894 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:56,895 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:56,896 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:56,896 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:56,897 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:56,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:56,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:56,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:56,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:56,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:56,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:56,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:56,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:56,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:56,902 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 00:58:56,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:58:56,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:56,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:56,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:56,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:56,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:56,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:56,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:56,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:56,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:56,907 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:56,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:56,908 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:56,908 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:56,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:56,909 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_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dedc3ea8e96f333d418860556906c8618bbf50be75cff10b45de6d34fe23444 [2023-11-12 00:58:57,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:57,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:57,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:57,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:57,255 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:57,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i [2023-11-12 00:59:00,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:00,853 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:00,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i [2023-11-12 00:59:00,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/data/5155eebac/b6dfbc4f00e8453e9b3ff63116fd2dc3/FLAG282da88cc [2023-11-12 00:59:00,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/data/5155eebac/b6dfbc4f00e8453e9b3ff63116fd2dc3 [2023-11-12 00:59:00,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:00,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:00,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:00,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:00,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:00,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:00" (1/1) ... [2023-11-12 00:59:00,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68faed76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:00, skipping insertion in model container [2023-11-12 00:59:00,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:00" (1/1) ... [2023-11-12 00:59:01,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:01,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:01,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:01,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:01,911 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:01,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01 WrapperNode [2023-11-12 00:59:01,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:01,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:01,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:01,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:01,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,002 INFO L138 Inliner]: procedures = 363, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-12 00:59:02,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:02,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:02,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:02,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:02,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:02,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:02,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:02,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:02,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:02,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:02,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:02,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:02,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2023-11-12 00:59:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2023-11-12 00:59:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:02,150 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:59:02,402 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:02,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:02,663 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:02,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:02,672 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:59:02,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:02 BoogieIcfgContainer [2023-11-12 00:59:02,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:02,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:02,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:02,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:02,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:00" (1/3) ... [2023-11-12 00:59:02,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4183bc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:02, skipping insertion in model container [2023-11-12 00:59:02,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (2/3) ... [2023-11-12 00:59:02,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4183bc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:02, skipping insertion in model container [2023-11-12 00:59:02,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:02" (3/3) ... [2023-11-12 00:59:02,684 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-2.i [2023-11-12 00:59:02,694 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:59:02,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:02,706 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-12 00:59:02,706 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:59:02,765 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 00:59:02,799 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:59:02,813 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 120 transitions, 247 flow [2023-11-12 00:59:02,817 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 120 transitions, 247 flow [2023-11-12 00:59:02,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 120 transitions, 247 flow [2023-11-12 00:59:02,879 INFO L124 PetriNetUnfolderBase]: 8/119 cut-off events. [2023-11-12 00:59:02,879 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 00:59:02,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 119 events. 8/119 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-12 00:59:02,889 INFO L119 LiptonReduction]: Number of co-enabled transitions 1728 [2023-11-12 00:59:05,426 INFO L134 LiptonReduction]: Checked pairs total: 3452 [2023-11-12 00:59:05,426 INFO L136 LiptonReduction]: Total number of compositions: 112 [2023-11-12 00:59:05,435 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 27 transitions, 61 flow [2023-11-12 00:59:05,457 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 105 states, 92 states have (on average 2.2282608695652173) internal successors, (205), 104 states have internal predecessors, (205), 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) [2023-11-12 00:59:05,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:05,493 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;@10e0285a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:05,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-12 00:59:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 92 states have (on average 2.2282608695652173) internal successors, (205), 104 states have internal predecessors, (205), 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) [2023-11-12 00:59:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:59:05,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:05,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:59:05,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 00:59:05,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:05,515 INFO L85 PathProgramCache]: Analyzing trace with hash 13499806, now seen corresponding path program 1 times [2023-11-12 00:59:05,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:05,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990602845] [2023-11-12 00:59:05,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:05,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:59:05,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:05,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990602845] [2023-11-12 00:59:05,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990602845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:05,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:05,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:59:05,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409016211] [2023-11-12 00:59:05,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:05,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:59:05,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:05,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:59:05,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:05,730 INFO L87 Difference]: Start difference. First operand has 105 states, 92 states have (on average 2.2282608695652173) internal successors, (205), 104 states have internal predecessors, (205), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 00:59:05,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:05,770 INFO L93 Difference]: Finished difference Result 93 states and 183 transitions. [2023-11-12 00:59:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:59:05,773 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-12 00:59:05,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:05,783 INFO L225 Difference]: With dead ends: 93 [2023-11-12 00:59:05,784 INFO L226 Difference]: Without dead ends: 91 [2023-11-12 00:59:05,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:05,788 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:05,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:59:05,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-12 00:59:05,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-12 00:59:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 83 states have (on average 2.1686746987951806) internal successors, (180), 90 states have internal predecessors, (180), 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) [2023-11-12 00:59:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 180 transitions. [2023-11-12 00:59:05,832 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 180 transitions. Word has length 4 [2023-11-12 00:59:05,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:05,833 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 180 transitions. [2023-11-12 00:59:05,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 00:59:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 180 transitions. [2023-11-12 00:59:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:59:05,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:05,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 00:59:05,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:59:05,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 00:59:05,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:05,835 INFO L85 PathProgramCache]: Analyzing trace with hash 418455428, now seen corresponding path program 1 times [2023-11-12 00:59:05,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:05,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155231072] [2023-11-12 00:59:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:05,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:59:05,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:05,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155231072] [2023-11-12 00:59:05,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155231072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:05,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:05,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:05,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379715806] [2023-11-12 00:59:05,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:05,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:05,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:05,930 INFO L87 Difference]: Start difference. First operand 91 states and 180 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-12 00:59:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:05,986 INFO L93 Difference]: Finished difference Result 116 states and 223 transitions. [2023-11-12 00:59:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:05,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-12 00:59:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:05,988 INFO L225 Difference]: With dead ends: 116 [2023-11-12 00:59:05,988 INFO L226 Difference]: Without dead ends: 116 [2023-11-12 00:59:05,989 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 [2023-11-12 00:59:05,990 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:05,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:59:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-12 00:59:06,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 96. [2023-11-12 00:59:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 89 states have (on average 2.056179775280899) internal successors, (183), 95 states have internal predecessors, (183), 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) [2023-11-12 00:59:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 183 transitions. [2023-11-12 00:59:06,004 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 183 transitions. Word has length 5 [2023-11-12 00:59:06,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:06,004 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 183 transitions. [2023-11-12 00:59:06,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-12 00:59:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 183 transitions. [2023-11-12 00:59:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:59:06,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:06,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:06,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:59:06,006 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 00:59:06,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:06,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1000825201, now seen corresponding path program 1 times [2023-11-12 00:59:06,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:06,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671215735] [2023-11-12 00:59:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:59:06,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:06,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671215735] [2023-11-12 00:59:06,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671215735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:06,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:06,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:06,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586367503] [2023-11-12 00:59:06,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:06,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:06,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:06,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:06,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:06,082 INFO L87 Difference]: Start difference. First operand 96 states and 183 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 00:59:06,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:06,147 INFO L93 Difference]: Finished difference Result 100 states and 191 transitions. [2023-11-12 00:59:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:06,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-12 00:59:06,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:06,149 INFO L225 Difference]: With dead ends: 100 [2023-11-12 00:59:06,149 INFO L226 Difference]: Without dead ends: 94 [2023-11-12 00:59:06,149 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 [2023-11-12 00:59:06,150 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:06,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 8 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:59:06,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-12 00:59:06,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-12 00:59:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 88 states have (on average 2.0113636363636362) internal successors, (177), 93 states have internal predecessors, (177), 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) [2023-11-12 00:59:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 177 transitions. [2023-11-12 00:59:06,182 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 177 transitions. Word has length 8 [2023-11-12 00:59:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:06,182 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 177 transitions. [2023-11-12 00:59:06,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 00:59:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2023-11-12 00:59:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:59:06,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:06,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:06,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:59:06,184 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 00:59:06,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:06,185 INFO L85 PathProgramCache]: Analyzing trace with hash -181373516, now seen corresponding path program 1 times [2023-11-12 00:59:06,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:06,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464263046] [2023-11-12 00:59:06,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:06,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:59:06,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:06,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464263046] [2023-11-12 00:59:06,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464263046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:06,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:06,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:06,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414310434] [2023-11-12 00:59:06,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:06,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:06,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:06,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:06,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:06,231 INFO L87 Difference]: Start difference. First operand 94 states and 177 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) [2023-11-12 00:59:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:06,286 INFO L93 Difference]: Finished difference Result 93 states and 175 transitions. [2023-11-12 00:59:06,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:06,287 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 [2023-11-12 00:59:06,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:06,288 INFO L225 Difference]: With dead ends: 93 [2023-11-12 00:59:06,288 INFO L226 Difference]: Without dead ends: 86 [2023-11-12 00:59:06,289 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 [2023-11-12 00:59:06,290 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:06,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:59:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-12 00:59:06,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-12 00:59:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 82 states have (on average 1.9390243902439024) internal successors, (159), 85 states have internal predecessors, (159), 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) [2023-11-12 00:59:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 159 transitions. [2023-11-12 00:59:06,315 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 159 transitions. Word has length 9 [2023-11-12 00:59:06,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:06,316 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 159 transitions. [2023-11-12 00:59:06,316 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) [2023-11-12 00:59:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 159 transitions. [2023-11-12 00:59:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:59:06,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:06,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:06,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:59:06,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 00:59:06,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:06,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2122951947, now seen corresponding path program 1 times [2023-11-12 00:59:06,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:06,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525426000] [2023-11-12 00:59:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:06,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:59:06,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:59:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:59:06,411 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:59:06,411 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:59:06,412 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-12 00:59:06,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-12 00:59:06,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-12 00:59:06,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-12 00:59:06,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-12 00:59:06,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-12 00:59:06,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2023-11-12 00:59:06,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-12 00:59:06,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-12 00:59:06,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-12 00:59:06,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:59:06,421 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 00:59:06,427 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 00:59:06,428 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:59:06,445 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,446 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,446 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,449 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,449 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,450 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-12 00:59:06,450 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,450 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,450 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,451 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,451 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,451 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,451 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,452 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,452 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,452 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,453 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,453 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,453 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,453 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,453 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,454 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,454 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,454 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,454 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,455 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,455 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,455 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,455 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,456 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,456 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,456 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,456 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,457 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,457 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,457 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated [2023-11-12 00:59:06,457 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,458 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,458 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,458 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,458 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,458 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:59:06 BasicIcfg [2023-11-12 00:59:06,466 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:59:06,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:59:06,466 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:59:06,467 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:59:06,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:02" (3/4) ... [2023-11-12 00:59:06,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:59:06,470 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:59:06,471 INFO L158 Benchmark]: Toolchain (without parser) took 5538.46ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 99.0MB in the beginning and 155.8MB in the end (delta: -56.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:06,472 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:06,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.86ms. Allocated memory is still 146.8MB. Free memory was 98.6MB in the beginning and 60.7MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:06,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.84ms. Allocated memory is still 146.8MB. Free memory was 60.7MB in the beginning and 58.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:59:06,473 INFO L158 Benchmark]: Boogie Preprocessor took 45.48ms. Allocated memory is still 146.8MB. Free memory was 58.2MB in the beginning and 56.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:06,474 INFO L158 Benchmark]: RCFGBuilder took 624.57ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 56.5MB in the beginning and 170.7MB in the end (delta: -114.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:06,474 INFO L158 Benchmark]: TraceAbstraction took 3788.75ms. Allocated memory is still 209.7MB. Free memory was 169.8MB in the beginning and 155.8MB in the end (delta: 14.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:06,475 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 209.7MB. Free memory is still 155.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:06,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 976.86ms. Allocated memory is still 146.8MB. Free memory was 98.6MB in the beginning and 60.7MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.84ms. Allocated memory is still 146.8MB. Free memory was 60.7MB in the beginning and 58.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.48ms. Allocated memory is still 146.8MB. Free memory was 58.2MB in the beginning and 56.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 624.57ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 56.5MB in the beginning and 170.7MB in the end (delta: -114.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3788.75ms. Allocated memory is still 209.7MB. Free memory was 169.8MB in the beginning and 155.8MB in the end (delta: 14.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 209.7MB. Free memory is still 155.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 116 PlacesBefore, 29 PlacesAfterwards, 120 TransitionsBefore, 27 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 6 FixpointIterations, 53 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 7 ConcurrentYvCompositions, 6 ChoiceCompositions, 112 TotalNumberOfCompositions, 3452 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1847, independent: 1681, independent conditional: 0, independent unconditional: 1681, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1121, independent: 1084, independent conditional: 0, independent unconditional: 1084, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1121, independent: 1081, independent conditional: 0, independent unconditional: 1081, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1847, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 1121, unknown conditional: 0, unknown unconditional: 1121] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, 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 - DataRaceFoundResult [Line: 1325]: Data race detected [2023-11-12 00:59:06,498 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,498 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,499 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,499 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,499 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-12 00:59:06,499 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,500 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,500 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,500 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,500 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,500 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,501 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,501 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,501 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,501 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,502 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,502 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,502 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,502 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,502 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,503 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,503 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,503 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,503 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,504 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,504 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,504 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,504 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,505 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,505 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,505 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,505 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,505 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,506 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,506 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,506 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,506 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated [2023-11-12 00:59:06,507 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,507 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,507 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,507 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,507 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,516 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,517 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,517 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,517 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,517 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-12 00:59:06,518 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,518 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,518 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,518 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,518 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,519 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,519 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,519 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,519 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,519 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,520 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,520 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,520 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,520 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,520 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,521 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,521 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,521 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,521 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,522 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,522 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,522 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,522 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,522 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,523 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,523 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,523 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,523 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated [2023-11-12 00:59:06,523 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,524 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,524 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,524 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-12 00:59:06,524 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-12 00:59:06,524 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-12 00:59:06,525 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-12 00:59:06,525 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-12 00:59:06,525 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner Data race detected The following path leads to a data race: [L1318] 0 int myglobal; [L1319] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1334] 0 pthread_t mythread; [L1335] 0 int i; [L1336] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [arg={0:0}, myglobal=0, mythread={3:0}] [L1322] 1 int i,j; [L1323] 1 i=0 VAL [arg={0:0}, arg={0:0}, i=0, myglobal=0] [L1336] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))) [L1346] 0 i=0 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread={3:0}] [L1346] COND TRUE 0 i<20 [L1348] EXPR 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread={3:0}] [L1323] COND TRUE 1 i<20 [L1325] 1 j=myglobal VAL [arg={0:0}, arg={0:0}, i=0, myglobal=0] [L1348] EXPR 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread={3:0}] [L1348] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=1, mythread={3:0}] [L1325] 1 j=myglobal VAL [arg={0:0}, arg={0:0}, i=0, myglobal=1] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [1348] and C: j=myglobal [1325] - UnprovableResult [Line: 1348]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1348]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1350]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1355]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1336]: 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: 1328]: 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, 137 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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! [2023-11-12 00:59:06,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f82ced-43ee-4ae7-950c-18fe72edebc6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE