./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2 --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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:30,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:30,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-02 12:23:30,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:30,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:31,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:31,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:31,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:31,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:31,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:31,004 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:31,006 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:31,007 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:31,007 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:31,008 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:31,008 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:31,008 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:31,009 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:31,009 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:31,010 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:31,013 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:31,014 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:31,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:31,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:31,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:31,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:31,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:31,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:31,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:31,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:31,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:31,018 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 12:23:31,019 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:31,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:23:31,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:31,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:31,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:31,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:31,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:31,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:31,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:31,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:31,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:31,024 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:31,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:31,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:31,025 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:31,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:31,025 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_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2024-11-02 12:23:31,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:31,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:31,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:31,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:31,385 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:31,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i Unable to find full path for "g++" [2024-11-02 12:23:33,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:33,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:33,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-11-02 12:23:34,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/data/08c8cd1be/e303d97bd0d74e299948e4c8353dd7f7/FLAG0d0bf4dd4 [2024-11-02 12:23:34,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/data/08c8cd1be/e303d97bd0d74e299948e4c8353dd7f7 [2024-11-02 12:23:34,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:34,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:34,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:34,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:34,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:34,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9ea5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34, skipping insertion in model container [2024-11-02 12:23:34,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:34,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:34,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:34,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:34,867 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:34,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34 WrapperNode [2024-11-02 12:23:34,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:34,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:34,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:34,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:34,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,944 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 100 [2024-11-02 12:23:34,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:34,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:34,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:34,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:34,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:34,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:34,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:34,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:34,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:34,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (1/1) ... [2024-11-02 12:23:35,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:35,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:35,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:35,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 12:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 12:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-02 12:23:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-02 12:23:35,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:23:35,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:35,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:35,110 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:23:35,392 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:35,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:35,774 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:23:35,775 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:35,810 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:35,810 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:23:35,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35 BoogieIcfgContainer [2024-11-02 12:23:35,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:35,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:35,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:35,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:35,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:34" (1/3) ... [2024-11-02 12:23:35,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0a7254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:35, skipping insertion in model container [2024-11-02 12:23:35,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:34" (2/3) ... [2024-11-02 12:23:35,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0a7254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:35, skipping insertion in model container [2024-11-02 12:23:35,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35" (3/3) ... [2024-11-02 12:23:35,823 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2024-11-02 12:23:35,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:35,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-02 12:23:35,864 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:23:35,973 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-02 12:23:36,042 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134 places, 130 transitions, 267 flow [2024-11-02 12:23:36,158 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 665 states, 657 states have (on average 1.8325722983257229) internal successors, (1204), 664 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:36,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:36,213 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2db9a528, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:36,214 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-02 12:23:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 665 states, 657 states have (on average 1.8325722983257229) internal successors, (1204), 664 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-02 12:23:36,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:36,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:36,234 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-02 12:23:36,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:36,241 INFO L85 PathProgramCache]: Analyzing trace with hash 703227705, now seen corresponding path program 1 times [2024-11-02 12:23:36,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:36,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018802965] [2024-11-02 12:23:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:36,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:23:37,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:37,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018802965] [2024-11-02 12:23:37,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018802965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:37,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:37,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:23:37,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334552983] [2024-11-02 12:23:37,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:37,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:23:37,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:23:37,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:37,969 INFO L87 Difference]: Start difference. First operand has 665 states, 657 states have (on average 1.8325722983257229) internal successors, (1204), 664 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:38,576 INFO L93 Difference]: Finished difference Result 745 states and 1356 transitions. [2024-11-02 12:23:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:23:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2024-11-02 12:23:38,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:38,603 INFO L225 Difference]: With dead ends: 745 [2024-11-02 12:23:38,604 INFO L226 Difference]: Without dead ends: 721 [2024-11-02 12:23:38,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:38,612 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 66 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:38,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 461 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-02 12:23:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-02 12:23:38,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 691. [2024-11-02 12:23:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 684 states have (on average 1.8304093567251463) internal successors, (1252), 690 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1252 transitions. [2024-11-02 12:23:38,784 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1252 transitions. Word has length 86 [2024-11-02 12:23:38,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:38,785 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 1252 transitions. [2024-11-02 12:23:38,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1252 transitions. [2024-11-02 12:23:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-02 12:23:38,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:38,801 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:38,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:23:38,802 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-02 12:23:38,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash 734763606, now seen corresponding path program 1 times [2024-11-02 12:23:38,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:38,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792002310] [2024-11-02 12:23:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:23:39,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:39,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792002310] [2024-11-02 12:23:39,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792002310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:39,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:39,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:23:39,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304907888] [2024-11-02 12:23:39,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:39,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:23:39,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:39,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:23:39,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:39,520 INFO L87 Difference]: Start difference. First operand 691 states and 1252 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:39,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:39,837 INFO L93 Difference]: Finished difference Result 787 states and 1436 transitions. [2024-11-02 12:23:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:23:39,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2024-11-02 12:23:39,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:39,844 INFO L225 Difference]: With dead ends: 787 [2024-11-02 12:23:39,844 INFO L226 Difference]: Without dead ends: 762 [2024-11-02 12:23:39,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:39,847 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 73 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:39,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 283 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:23:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-02 12:23:39,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 726. [2024-11-02 12:23:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 719 states have (on average 1.8331015299026425) internal successors, (1318), 725 states have internal predecessors, (1318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1318 transitions. [2024-11-02 12:23:39,883 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1318 transitions. Word has length 86 [2024-11-02 12:23:39,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:39,883 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 1318 transitions. [2024-11-02 12:23:39,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1318 transitions. [2024-11-02 12:23:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-02 12:23:39,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:39,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:39,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:23:39,887 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-02 12:23:39,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:39,888 INFO L85 PathProgramCache]: Analyzing trace with hash 652790120, now seen corresponding path program 1 times [2024-11-02 12:23:39,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:39,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783430795] [2024-11-02 12:23:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:39,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:23:40,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:40,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783430795] [2024-11-02 12:23:40,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783430795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:40,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:40,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:23:40,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401585059] [2024-11-02 12:23:40,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:40,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:23:40,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:40,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:23:40,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:40,605 INFO L87 Difference]: Start difference. First operand 726 states and 1318 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:40,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:40,949 INFO L93 Difference]: Finished difference Result 851 states and 1552 transitions. [2024-11-02 12:23:40,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:23:40,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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 93 [2024-11-02 12:23:40,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:40,964 INFO L225 Difference]: With dead ends: 851 [2024-11-02 12:23:40,964 INFO L226 Difference]: Without dead ends: 738 [2024-11-02 12:23:40,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:40,969 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 66 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:40,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 358 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:23:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-02 12:23:40,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 706. [2024-11-02 12:23:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 699 states have (on average 1.815450643776824) internal successors, (1269), 705 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1269 transitions. [2024-11-02 12:23:41,002 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1269 transitions. Word has length 93 [2024-11-02 12:23:41,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:41,004 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1269 transitions. [2024-11-02 12:23:41,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1269 transitions. [2024-11-02 12:23:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-02 12:23:41,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:41,008 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:41,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:23:41,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-02 12:23:41,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:41,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1692106687, now seen corresponding path program 1 times [2024-11-02 12:23:41,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:41,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259271384] [2024-11-02 12:23:41,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:41,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:23:41,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:41,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259271384] [2024-11-02 12:23:41,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259271384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:41,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:41,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:23:41,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749419203] [2024-11-02 12:23:41,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:41,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:23:41,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:41,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:23:41,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:41,707 INFO L87 Difference]: Start difference. First operand 706 states and 1269 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:42,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:42,225 INFO L93 Difference]: Finished difference Result 828 states and 1486 transitions. [2024-11-02 12:23:42,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:23:42,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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 93 [2024-11-02 12:23:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:42,231 INFO L225 Difference]: With dead ends: 828 [2024-11-02 12:23:42,232 INFO L226 Difference]: Without dead ends: 675 [2024-11-02 12:23:42,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:23:42,235 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 70 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:42,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 475 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-02 12:23:42,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-02 12:23:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 659. [2024-11-02 12:23:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 652 states have (on average 1.7760736196319018) internal successors, (1158), 658 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1158 transitions. [2024-11-02 12:23:42,269 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1158 transitions. Word has length 93 [2024-11-02 12:23:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:42,269 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 1158 transitions. [2024-11-02 12:23:42,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1158 transitions. [2024-11-02 12:23:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-02 12:23:42,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:42,273 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:42,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:23:42,274 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-02 12:23:42,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:42,275 INFO L85 PathProgramCache]: Analyzing trace with hash -711389322, now seen corresponding path program 1 times [2024-11-02 12:23:42,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:42,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234013606] [2024-11-02 12:23:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:42,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:23:42,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:42,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234013606] [2024-11-02 12:23:42,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234013606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:42,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:42,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:23:42,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289702080] [2024-11-02 12:23:42,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:42,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:23:42,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:42,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:23:42,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:42,442 INFO L87 Difference]: Start difference. First operand 659 states and 1158 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:42,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:42,470 INFO L93 Difference]: Finished difference Result 659 states and 1158 transitions. [2024-11-02 12:23:42,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:23:42,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2024-11-02 12:23:42,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:42,473 INFO L225 Difference]: With dead ends: 659 [2024-11-02 12:23:42,473 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:23:42,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:42,476 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 23 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:42,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 182 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:23:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:23:42,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:23:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:23:42,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2024-11-02 12:23:42,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:42,483 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:23:42,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:23:42,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:23:42,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-02 12:23:42,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-02 12:23:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-02 12:23:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-02 12:23:42,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-02 12:23:42,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-02 12:23:42,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-02 12:23:42,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:23:42,496 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-02 12:23:42,502 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 12:23:42,502 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:23:42,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:23:42 BasicIcfg [2024-11-02 12:23:42,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:23:42,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:23:42,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:23:42,508 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:23:42,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35" (3/4) ... [2024-11-02 12:23:42,512 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:23:42,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-02 12:23:42,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-02 12:23:42,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:23:42,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:23:42,638 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:23:42,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:23:42,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:23:42,640 INFO L158 Benchmark]: Toolchain (without parser) took 8600.39ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 122.1MB in the beginning and 143.9MB in the end (delta: -21.8MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,640 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:42,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.27ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 91.2MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 159.4MB. Free memory was 91.2MB in the beginning and 88.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,646 INFO L158 Benchmark]: Boogie Preprocessor took 38.85ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,646 INFO L158 Benchmark]: RCFGBuilder took 826.49ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 86.6MB in the beginning and 157.6MB in the end (delta: -71.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,647 INFO L158 Benchmark]: TraceAbstraction took 6692.44ms. Allocated memory was 201.3MB in the beginning and 260.0MB in the end (delta: 58.7MB). Free memory was 157.6MB in the beginning and 149.1MB in the end (delta: 8.5MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,647 INFO L158 Benchmark]: Witness Printer took 132.22ms. Allocated memory is still 260.0MB. Free memory was 149.1MB in the beginning and 143.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:23:42,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.27ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 91.2MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 159.4MB. Free memory was 91.2MB in the beginning and 88.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.85ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.49ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 86.6MB in the beginning and 157.6MB in the end (delta: -71.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6692.44ms. Allocated memory was 201.3MB in the beginning and 260.0MB in the end (delta: 58.7MB). Free memory was 157.6MB in the beginning and 149.1MB in the end (delta: 8.5MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * Witness Printer took 132.22ms. Allocated memory is still 260.0MB. Free memory was 149.1MB in the beginning and 143.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 158 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 298 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 298 mSDsluCounter, 1759 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1043 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 944 IncrementalHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 716 mSDtfsCounter, 944 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=726occurred in iteration=2, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-02 12:23:42,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2859c9-5b16-405a-a4b0-3e2ef1e53304/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE