./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh --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 26a76453a0148a9083e5ca91fffcb3e5777f05c6718e7fe778e8f06905a5ca02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:11:55,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:11:55,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 14:11:55,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:11:55,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:11:55,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:11:55,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:11:55,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:11:55,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:11:55,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:11:55,646 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:11:55,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:11:55,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:11:55,647 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:11:55,648 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:11:55,648 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:11:55,649 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:11:55,649 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:11:55,650 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:11:55,650 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:11:55,651 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:11:55,652 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:11:55,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:11:55,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:11:55,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:11:55,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:11:55,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:11:55,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:11:55,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:11:55,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:11:55,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:11:55,656 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 14:11:55,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 14:11:55,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:11:55,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:11:55,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:11:55,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:11:55,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:11:55,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:11:55,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:11:55,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:11:55,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:11:55,659 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:11:55,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:11:55,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:11:55,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:11:55,660 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:11:55,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:11:55,660 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_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a76453a0148a9083e5ca91fffcb3e5777f05c6718e7fe778e8f06905a5ca02 [2023-12-02 14:11:55,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:11:55,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:11:55,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:11:55,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:11:55,880 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:11:55,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i [2023-12-02 14:11:58,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:11:58,874 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:11:58,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i [2023-12-02 14:11:58,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/data/c3ca12c66/777239d24503479495c388bbd6ffa794/FLAG7369e1f6b [2023-12-02 14:11:58,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/data/c3ca12c66/777239d24503479495c388bbd6ffa794 [2023-12-02 14:11:58,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:11:58,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:11:58,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:11:58,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:11:58,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:11:58,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:58" (1/1) ... [2023-12-02 14:11:58,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439d905f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:58, skipping insertion in model container [2023-12-02 14:11:58,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:58" (1/1) ... [2023-12-02 14:11:58,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:11:59,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:11:59,307 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:11:59,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:11:59,418 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:11:59,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59 WrapperNode [2023-12-02 14:11:59,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:11:59,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:11:59,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:11:59,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:11:59,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,468 INFO L138 Inliner]: procedures = 265, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2023-12-02 14:11:59,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:11:59,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:11:59,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:11:59,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:11:59,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:11:59,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:11:59,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:11:59,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:11:59,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (1/1) ... [2023-12-02 14:11:59,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:11:59,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:11:59,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:11:59,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:11:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:11:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:11:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 14:11:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:11:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:11:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 14:11:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:11:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 14:11:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 14:11:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:11:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:11:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:11:59,571 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 14:11:59,709 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:11:59,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:11:59,875 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:11:59,899 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:11:59,899 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:11:59,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:59 BoogieIcfgContainer [2023-12-02 14:11:59,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:11:59,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:11:59,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:11:59,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:11:59,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:11:58" (1/3) ... [2023-12-02 14:11:59,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fff451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:59, skipping insertion in model container [2023-12-02 14:11:59,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:59" (2/3) ... [2023-12-02 14:11:59,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fff451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:59, skipping insertion in model container [2023-12-02 14:11:59,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:59" (3/3) ... [2023-12-02 14:11:59,911 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_05-lockfuns.i [2023-12-02 14:11:59,918 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 14:11:59,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:11:59,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-12-02 14:11:59,927 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 14:11:59,974 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 14:12:00,000 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 76 transitions, 159 flow [2023-12-02 14:12:00,065 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 675 states, 664 states have (on average 1.9292168674698795) internal successors, (1281), 674 states have internal predecessors, (1281), 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) [2023-12-02 14:12:00,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:12:00,090 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;@3614dac3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:12:00,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 14:12:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 675 states, 664 states have (on average 1.9292168674698795) internal successors, (1281), 674 states have internal predecessors, (1281), 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) [2023-12-02 14:12:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 14:12:00,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:00,102 INFO L195 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] [2023-12-02 14:12:00,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-12-02 14:12:00,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:00,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2050329484, now seen corresponding path program 1 times [2023-12-02 14:12:00,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:00,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297107576] [2023-12-02 14:12:00,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:00,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:12:00,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:12:00,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297107576] [2023-12-02 14:12:00,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297107576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:00,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:00,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:12:00,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703100197] [2023-12-02 14:12:00,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:00,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:12:00,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:12:00,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:12:00,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:12:00,378 INFO L87 Difference]: Start difference. First operand has 675 states, 664 states have (on average 1.9292168674698795) internal successors, (1281), 674 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-12-02 14:12:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:12:00,458 INFO L93 Difference]: Finished difference Result 786 states and 1493 transitions. [2023-12-02 14:12:00,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:12:00,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2023-12-02 14:12:00,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:12:00,479 INFO L225 Difference]: With dead ends: 786 [2023-12-02 14:12:00,479 INFO L226 Difference]: Without dead ends: 786 [2023-12-02 14:12:00,481 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 [2023-12-02 14:12:00,484 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 44 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:12:00,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 140 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:12:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-12-02 14:12:00,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 678. [2023-12-02 14:12:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 668 states have (on average 1.9236526946107784) internal successors, (1285), 677 states have internal predecessors, (1285), 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) [2023-12-02 14:12:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1285 transitions. [2023-12-02 14:12:00,562 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1285 transitions. Word has length 24 [2023-12-02 14:12:00,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:12:00,562 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1285 transitions. [2023-12-02 14:12:00,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-12-02 14:12:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1285 transitions. [2023-12-02 14:12:00,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 14:12:00,565 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:00,565 INFO L195 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] [2023-12-02 14:12:00,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:12:00,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-12-02 14:12:00,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:00,566 INFO L85 PathProgramCache]: Analyzing trace with hash -882756471, now seen corresponding path program 1 times [2023-12-02 14:12:00,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:00,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762549539] [2023-12-02 14:12:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:12:00,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:12:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762549539] [2023-12-02 14:12:00,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762549539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:00,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:00,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:12:00,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110459709] [2023-12-02 14:12:00,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:00,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:12:00,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:12:00,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:12:00,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:12:00,660 INFO L87 Difference]: Start difference. First operand 678 states and 1285 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-12-02 14:12:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:12:00,708 INFO L93 Difference]: Finished difference Result 729 states and 1383 transitions. [2023-12-02 14:12:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:12:00,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2023-12-02 14:12:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:12:00,714 INFO L225 Difference]: With dead ends: 729 [2023-12-02 14:12:00,714 INFO L226 Difference]: Without dead ends: 717 [2023-12-02 14:12:00,714 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 [2023-12-02 14:12:00,716 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 28 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:12:00,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 130 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:12:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-12-02 14:12:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 677. [2023-12-02 14:12:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 668 states have (on average 1.9176646706586826) internal successors, (1281), 676 states have internal predecessors, (1281), 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) [2023-12-02 14:12:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1281 transitions. [2023-12-02 14:12:00,763 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1281 transitions. Word has length 29 [2023-12-02 14:12:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:12:00,763 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 1281 transitions. [2023-12-02 14:12:00,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-12-02 14:12:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1281 transitions. [2023-12-02 14:12:00,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 14:12:00,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:00,765 INFO L195 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] [2023-12-02 14:12:00,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:12:00,766 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-12-02 14:12:00,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:00,766 INFO L85 PathProgramCache]: Analyzing trace with hash -135736420, now seen corresponding path program 1 times [2023-12-02 14:12:00,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:00,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818306421] [2023-12-02 14:12:00,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:00,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:12:00,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:12:00,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818306421] [2023-12-02 14:12:00,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818306421] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:00,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:00,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:12:00,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048762924] [2023-12-02 14:12:00,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:00,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:12:00,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:12:00,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:12:00,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:12:00,823 INFO L87 Difference]: Start difference. First operand 677 states and 1281 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:12:00,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:12:00,866 INFO L93 Difference]: Finished difference Result 710 states and 1344 transitions. [2023-12-02 14:12:00,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:12:00,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-12-02 14:12:00,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:12:00,872 INFO L225 Difference]: With dead ends: 710 [2023-12-02 14:12:00,872 INFO L226 Difference]: Without dead ends: 710 [2023-12-02 14:12:00,872 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 [2023-12-02 14:12:00,874 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 22 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:12:00,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 123 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:12:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2023-12-02 14:12:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 680. [2023-12-02 14:12:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 673 states have (on average 1.910846953937593) internal successors, (1286), 679 states have internal predecessors, (1286), 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) [2023-12-02 14:12:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1286 transitions. [2023-12-02 14:12:00,900 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1286 transitions. Word has length 30 [2023-12-02 14:12:00,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:12:00,901 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1286 transitions. [2023-12-02 14:12:00,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:12:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1286 transitions. [2023-12-02 14:12:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 14:12:00,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:00,904 INFO L195 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] [2023-12-02 14:12:00,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:12:00,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-12-02 14:12:00,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1572162873, now seen corresponding path program 1 times [2023-12-02 14:12:00,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:00,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620844812] [2023-12-02 14:12:00,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:00,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:12:01,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:12:01,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620844812] [2023-12-02 14:12:01,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620844812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:01,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:01,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:12:01,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268722126] [2023-12-02 14:12:01,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:01,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:12:01,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:12:01,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:12:01,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:12:01,028 INFO L87 Difference]: Start difference. First operand 680 states and 1286 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:12:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:12:01,050 INFO L93 Difference]: Finished difference Result 394 states and 698 transitions. [2023-12-02 14:12:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:12:01,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-02 14:12:01,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:12:01,054 INFO L225 Difference]: With dead ends: 394 [2023-12-02 14:12:01,054 INFO L226 Difference]: Without dead ends: 394 [2023-12-02 14:12:01,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:12:01,056 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 33 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:12:01,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 101 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:12:01,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-12-02 14:12:01,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2023-12-02 14:12:01,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.7760814249363868) internal successors, (698), 393 states have internal predecessors, (698), 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) [2023-12-02 14:12:01,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 698 transitions. [2023-12-02 14:12:01,070 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 698 transitions. Word has length 36 [2023-12-02 14:12:01,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:12:01,070 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 698 transitions. [2023-12-02 14:12:01,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:12:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 698 transitions. [2023-12-02 14:12:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 14:12:01,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:01,072 INFO L195 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] [2023-12-02 14:12:01,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:12:01,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-12-02 14:12:01,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:01,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1389822748, now seen corresponding path program 1 times [2023-12-02 14:12:01,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:01,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718627306] [2023-12-02 14:12:01,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:01,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:12:01,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:12:01,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718627306] [2023-12-02 14:12:01,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718627306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:01,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:01,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:12:01,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915699663] [2023-12-02 14:12:01,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:01,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:12:01,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:12:01,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:12:01,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:12:01,499 INFO L87 Difference]: Start difference. First operand 394 states and 698 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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) [2023-12-02 14:12:01,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:12:01,544 INFO L93 Difference]: Finished difference Result 373 states and 657 transitions. [2023-12-02 14:12:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:12:01,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2023-12-02 14:12:01,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:12:01,546 INFO L225 Difference]: With dead ends: 373 [2023-12-02 14:12:01,546 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 14:12:01,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:12:01,547 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 80 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:12:01,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 245 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:12:01,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 14:12:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 14:12:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:12:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 14:12:01,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-12-02 14:12:01,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:12:01,549 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 14:12:01,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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) [2023-12-02 14:12:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 14:12:01,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 14:12:01,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-12-02 14:12:01,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-12-02 14:12:01,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-12-02 14:12:01,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-12-02 14:12:01,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-12-02 14:12:01,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-12-02 14:12:01,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-12-02 14:12:01,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-12-02 14:12:01,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 14:12:01,557 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 14:12:01,561 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 14:12:01,561 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:12:01,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:12:01 BasicIcfg [2023-12-02 14:12:01,564 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:12:01,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:12:01,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:12:01,565 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:12:01,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:59" (3/4) ... [2023-12-02 14:12:01,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 14:12:01,571 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-12-02 14:12:01,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 14:12:01,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 14:12:01,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 14:12:01,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 14:12:01,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 14:12:01,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:12:01,654 INFO L158 Benchmark]: Toolchain (without parser) took 2746.42ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 96.4MB in the beginning and 72.8MB in the end (delta: 23.5MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,654 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:12:01,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.03ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 68.4MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.78ms. Allocated memory is still 130.0MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,655 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 130.0MB. Free memory was 66.3MB in the beginning and 64.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,655 INFO L158 Benchmark]: RCFGBuilder took 405.90ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 64.6MB in the beginning and 125.5MB in the end (delta: -60.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,656 INFO L158 Benchmark]: TraceAbstraction took 1660.19ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 77.0MB in the end (delta: 47.7MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,656 INFO L158 Benchmark]: Witness Printer took 88.02ms. Allocated memory is still 157.3MB. Free memory was 77.0MB in the beginning and 72.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:12:01,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.03ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 68.4MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.78ms. Allocated memory is still 130.0MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 130.0MB. Free memory was 66.3MB in the beginning and 64.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.90ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 64.6MB in the beginning and 125.5MB in the end (delta: -60.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1660.19ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 77.0MB in the end (delta: 47.7MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 88.02ms. Allocated memory is still 157.3MB. Free memory was 77.0MB in the beginning and 72.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 447 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=680occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 14:12:01,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b318ed-00cd-45b2-bd84-24d6f3e790cf/bin/utaipan-verify-nQ1chXbOIh/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 Result: TRUE