./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:13:09,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:13:09,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 05:13:09,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:13:09,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:13:09,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:13:09,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:13:09,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:13:09,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:13:09,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:13:09,657 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:13:09,658 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:13:09,658 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:13:09,659 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:13:09,659 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:13:09,659 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:13:09,660 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:13:09,660 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:13:09,660 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:13:09,661 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:13:09,661 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:13:09,662 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:13:09,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:13:09,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:13:09,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:13:09,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:13:09,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:13:09,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:13:09,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:13:09,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:13:09,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:13:09,665 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 05:13:09,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:13:09,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:13:09,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:13:09,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:13:09,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:13:09,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:13:09,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:13:09,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:13:09,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:13:09,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:13:09,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:13:09,669 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:13:09,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:13:09,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:13:09,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:13:09,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:13:09,670 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_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2024-11-09 05:13:09,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:13:10,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:13:10,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:13:10,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:13:10,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:13:10,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i Unable to find full path for "g++" [2024-11-09 05:13:12,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:13:12,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:13:12,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/sv-benchmarks/c/pthread-ext/08_rand_cas-race.i [2024-11-09 05:13:12,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/data/7552274e7/5dcdc3046a1844a1bfb61fed73eed7e0/FLAG15351f3e2 [2024-11-09 05:13:12,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/data/7552274e7/5dcdc3046a1844a1bfb61fed73eed7e0 [2024-11-09 05:13:12,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:13:12,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:13:12,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:13:12,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:13:12,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:13:12,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:12,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed38ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12, skipping insertion in model container [2024-11-09 05:13:12,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:12,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:13:12,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:13:12,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:13:12,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:13:12,980 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:13:12,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12 WrapperNode [2024-11-09 05:13:12,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:13:12,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:13:12,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:13:12,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:13:12,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,068 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 16, calls inlined = 17, statements flattened = 215 [2024-11-09 05:13:13,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:13:13,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:13:13,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:13:13,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:13:13,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:13:13,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:13:13,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:13:13,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:13:13,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (1/1) ... [2024-11-09 05:13:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:13:13,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:13,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:13:13,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96e3e2e-2470-4aab-90b2-dd45cd16206c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:13:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:13:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-09 05:13:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-09 05:13:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:13:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:13:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:13:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:13:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:13:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:13:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:13:13,208 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:13:13,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:13:13,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:13:13,793 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:13:13,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:13:14,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:13:14,153 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 05:13:14,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:13:14 BoogieIcfgContainer [2024-11-09 05:13:14,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:13:14,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:13:14,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:13:14,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:13:14,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:13:12" (1/3) ... [2024-11-09 05:13:14,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfc70cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:13:14, skipping insertion in model container [2024-11-09 05:13:14,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:13:12" (2/3) ... [2024-11-09 05:13:14,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfc70cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:13:14, skipping insertion in model container [2024-11-09 05:13:14,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:13:14" (3/3) ... [2024-11-09 05:13:14,169 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas-race.i [2024-11-09 05:13:14,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:13:14,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-09 05:13:14,193 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:13:14,340 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:13:14,389 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 164 places, 177 transitions, 358 flow [2024-11-09 05:13:14,539 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1547 states, 1514 states have (on average 2.1063408190224573) internal successors, (3189), 1546 states have internal predecessors, (3189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:14,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:13:14,582 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;@73716def, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:13:14,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-09 05:13:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 1547 states, 1514 states have (on average 2.1063408190224573) internal successors, (3189), 1546 states have internal predecessors, (3189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:13:14,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:14,597 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] [2024-11-09 05:13:14,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-09 05:13:14,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:14,605 INFO L85 PathProgramCache]: Analyzing trace with hash -763926125, now seen corresponding path program 1 times [2024-11-09 05:13:14,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:14,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740875536] [2024-11-09 05:13:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:14,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:13:14,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:14,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740875536] [2024-11-09 05:13:14,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740875536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:14,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:14,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:13:14,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345295269] [2024-11-09 05:13:14,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:14,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:13:14,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:14,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:13:14,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:13:14,834 INFO L87 Difference]: Start difference. First operand has 1547 states, 1514 states have (on average 2.1063408190224573) internal successors, (3189), 1546 states have internal predecessors, (3189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:15,012 INFO L93 Difference]: Finished difference Result 2171 states and 4597 transitions. [2024-11-09 05:13:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:13:15,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2024-11-09 05:13:15,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:15,043 INFO L225 Difference]: With dead ends: 2171 [2024-11-09 05:13:15,043 INFO L226 Difference]: Without dead ends: 971 [2024-11-09 05:13:15,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:13:15,059 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:15,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-11-09 05:13:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2024-11-09 05:13:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 961 states have (on average 1.902185223725286) internal successors, (1828), 970 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1828 transitions. [2024-11-09 05:13:15,187 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1828 transitions. Word has length 21 [2024-11-09 05:13:15,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:15,188 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1828 transitions. [2024-11-09 05:13:15,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1828 transitions. [2024-11-09 05:13:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:13:15,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:15,205 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] [2024-11-09 05:13:15,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:13:15,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-09 05:13:15,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:15,207 INFO L85 PathProgramCache]: Analyzing trace with hash 306424086, now seen corresponding path program 1 times [2024-11-09 05:13:15,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:15,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646107108] [2024-11-09 05:13:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:13:15,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:15,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646107108] [2024-11-09 05:13:15,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646107108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:15,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:15,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:13:15,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387696985] [2024-11-09 05:13:15,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:15,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:15,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:15,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:15,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:15,349 INFO L87 Difference]: Start difference. First operand 971 states and 1828 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:15,431 INFO L93 Difference]: Finished difference Result 971 states and 1828 transitions. [2024-11-09 05:13:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:15,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2024-11-09 05:13:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:15,440 INFO L225 Difference]: With dead ends: 971 [2024-11-09 05:13:15,440 INFO L226 Difference]: Without dead ends: 963 [2024-11-09 05:13:15,441 INFO L431 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 [2024-11-09 05:13:15,442 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 106 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:15,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 181 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:13:15,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-09 05:13:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-11-09 05:13:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 954 states have (on average 1.90041928721174) internal successors, (1813), 962 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1813 transitions. [2024-11-09 05:13:15,493 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1813 transitions. Word has length 23 [2024-11-09 05:13:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:15,494 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1813 transitions. [2024-11-09 05:13:15,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1813 transitions. [2024-11-09 05:13:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 05:13:15,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:15,496 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:13:15,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:13:15,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-09 05:13:15,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:15,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1126163179, now seen corresponding path program 1 times [2024-11-09 05:13:15,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:15,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293615220] [2024-11-09 05:13:15,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:15,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:13:15,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:13:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:13:15,590 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:13:15,590 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:13:15,591 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-11-09 05:13:15,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-09 05:13:15,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-09 05:13:15,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-09 05:13:15,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-09 05:13:15,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-09 05:13:15,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-09 05:13:15,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-09 05:13:15,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-09 05:13:15,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-09 05:13:15,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-09 05:13:15,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-09 05:13:15,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-09 05:13:15,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-09 05:13:15,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-09 05:13:15,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-09 05:13:15,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-09 05:13:15,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-09 05:13:15,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-11-09 05:13:15,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-09 05:13:15,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-09 05:13:15,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-09 05:13:15,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-09 05:13:15,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-09 05:13:15,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-09 05:13:15,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-09 05:13:15,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-09 05:13:15,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-11-09 05:13:15,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-09 05:13:15,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-09 05:13:15,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-09 05:13:15,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-09 05:13:15,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-09 05:13:15,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:13:15,606 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:13:15,609 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 05:13:15,609 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 05:13:15,727 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:13:15,732 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 302 places, 328 transitions, 666 flow [2024-11-09 05:13:22,249 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 220659 states, 220066 states have (on average 3.2006170876009925) internal successors, (704347), 220658 states have internal predecessors, (704347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:22,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:13:22,263 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;@73716def, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:13:22,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-11-09 05:13:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 220659 states, 220066 states have (on average 3.2006170876009925) internal successors, (704347), 220658 states have internal predecessors, (704347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:13:23,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:23,035 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] [2024-11-09 05:13:23,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-09 05:13:23,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:23,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1291622065, now seen corresponding path program 1 times [2024-11-09 05:13:23,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:23,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832790974] [2024-11-09 05:13:23,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:13:23,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:23,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832790974] [2024-11-09 05:13:23,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832790974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:23,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:23,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:13:23,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214330863] [2024-11-09 05:13:23,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:23,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:13:23,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:23,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:13:23,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:13:23,513 INFO L87 Difference]: Start difference. First operand has 220659 states, 220066 states have (on average 3.2006170876009925) internal successors, (704347), 220658 states have internal predecessors, (704347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:28,681 INFO L93 Difference]: Finished difference Result 321045 states and 1057051 transitions. [2024-11-09 05:13:28,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:13:28,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2024-11-09 05:13:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:30,321 INFO L225 Difference]: With dead ends: 321045 [2024-11-09 05:13:30,331 INFO L226 Difference]: Without dead ends: 114140 [2024-11-09 05:13:30,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:13:30,777 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:30,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114140 states. [2024-11-09 05:13:34,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114140 to 114140. [2024-11-09 05:13:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114140 states, 114040 states have (on average 2.9210890915468255) internal successors, (333121), 114139 states have internal predecessors, (333121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114140 states to 114140 states and 333121 transitions. [2024-11-09 05:13:35,735 INFO L78 Accepts]: Start accepts. Automaton has 114140 states and 333121 transitions. Word has length 21 [2024-11-09 05:13:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:35,736 INFO L471 AbstractCegarLoop]: Abstraction has 114140 states and 333121 transitions. [2024-11-09 05:13:35,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 114140 states and 333121 transitions. [2024-11-09 05:13:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:13:35,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:35,738 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] [2024-11-09 05:13:35,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:13:35,738 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-09 05:13:35,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:35,740 INFO L85 PathProgramCache]: Analyzing trace with hash 3293812, now seen corresponding path program 1 times [2024-11-09 05:13:35,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:35,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154200630] [2024-11-09 05:13:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:35,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:13:35,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:35,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154200630] [2024-11-09 05:13:35,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154200630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:35,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:35,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:13:35,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140060446] [2024-11-09 05:13:35,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:35,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:35,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:35,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:35,819 INFO L87 Difference]: Start difference. First operand 114140 states and 333121 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:38,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:38,486 INFO L93 Difference]: Finished difference Result 142364 states and 415129 transitions. [2024-11-09 05:13:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:38,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2024-11-09 05:13:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:39,329 INFO L225 Difference]: With dead ends: 142364 [2024-11-09 05:13:39,329 INFO L226 Difference]: Without dead ends: 140461 [2024-11-09 05:13:39,385 INFO L431 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 [2024-11-09 05:13:39,386 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 246 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:39,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 541 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:13:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140461 states. [2024-11-09 05:13:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140461 to 112813. [2024-11-09 05:13:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112813 states, 112726 states have (on average 2.920923300746944) internal successors, (329264), 112812 states have internal predecessors, (329264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112813 states to 112813 states and 329264 transitions. [2024-11-09 05:13:44,777 INFO L78 Accepts]: Start accepts. Automaton has 112813 states and 329264 transitions. Word has length 23 [2024-11-09 05:13:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:44,777 INFO L471 AbstractCegarLoop]: Abstraction has 112813 states and 329264 transitions. [2024-11-09 05:13:44,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 112813 states and 329264 transitions. [2024-11-09 05:13:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 05:13:44,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:44,782 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:13:44,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:13:44,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-09 05:13:44,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:44,783 INFO L85 PathProgramCache]: Analyzing trace with hash 53764110, now seen corresponding path program 1 times [2024-11-09 05:13:44,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:44,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469618861] [2024-11-09 05:13:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:13:44,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:13:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:13:44,817 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:13:44,818 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:13:44,818 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2024-11-09 05:13:44,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2024-11-09 05:13:44,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2024-11-09 05:13:44,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2024-11-09 05:13:44,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2024-11-09 05:13:44,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2024-11-09 05:13:44,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2024-11-09 05:13:44,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2024-11-09 05:13:44,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2024-11-09 05:13:44,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2024-11-09 05:13:44,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2024-11-09 05:13:44,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2024-11-09 05:13:44,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2024-11-09 05:13:44,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2024-11-09 05:13:44,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2024-11-09 05:13:44,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2024-11-09 05:13:44,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2024-11-09 05:13:44,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2024-11-09 05:13:44,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2024-11-09 05:13:44,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2024-11-09 05:13:44,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2024-11-09 05:13:44,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2024-11-09 05:13:44,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2024-11-09 05:13:44,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2024-11-09 05:13:44,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2024-11-09 05:13:44,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2024-11-09 05:13:44,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2024-11-09 05:13:44,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2024-11-09 05:13:44,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2024-11-09 05:13:44,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2024-11-09 05:13:44,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2024-11-09 05:13:44,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2024-11-09 05:13:44,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2024-11-09 05:13:44,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2024-11-09 05:13:44,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2024-11-09 05:13:44,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2024-11-09 05:13:44,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2024-11-09 05:13:44,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2024-11-09 05:13:44,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2024-11-09 05:13:44,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2024-11-09 05:13:44,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2024-11-09 05:13:44,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2024-11-09 05:13:44,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2024-11-09 05:13:44,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2024-11-09 05:13:44,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2024-11-09 05:13:44,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2024-11-09 05:13:44,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2024-11-09 05:13:44,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2024-11-09 05:13:44,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2024-11-09 05:13:44,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:13:44,829 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:13:44,830 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 05:13:44,830 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-09 05:13:44,932 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:13:44,938 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 440 places, 479 transitions, 976 flow