./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/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_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/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_da0b818b-f508-44a8-af20-1b28576e1157/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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:25:07,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:25:07,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 01:25:07,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:25:07,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:25:07,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:25:07,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:25:07,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:25:07,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:25:07,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:25:07,919 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:25:07,919 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:25:07,920 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:25:07,920 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:25:07,920 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:25:07,923 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:25:07,923 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:25:07,924 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:25:07,924 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:25:07,924 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:25:07,925 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:25:07,929 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:25:07,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:25:07,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:25:07,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:25:07,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:25:07,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:25:07,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:25:07,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:25:07,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:25:07,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:25:07,933 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 01:25:07,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:25:07,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:25:07,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:25:07,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:25:07,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:25:07,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:25:07,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:25:07,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:25:07,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:25:07,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:25:07,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:25:07,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:25:07,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:25:07,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:25:07,942 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:25:07,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:25:07,943 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_da0b818b-f508-44a8-af20-1b28576e1157/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2024-11-09 01:25:08,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:25:08,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:25:08,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:25:08,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:25:08,405 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:25:08,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread/stack-1.i Unable to find full path for "g++" [2024-11-09 01:25:10,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:25:11,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:25:11,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/sv-benchmarks/c/pthread/stack-1.i [2024-11-09 01:25:11,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/data/60bdbcf2d/a7ef5ce86027477f95bc60b7092a2adf/FLAG6f2ac9f9b [2024-11-09 01:25:11,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/data/60bdbcf2d/a7ef5ce86027477f95bc60b7092a2adf [2024-11-09 01:25:11,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:25:11,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:25:11,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:11,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:25:11,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:25:11,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:11" (1/1) ... [2024-11-09 01:25:11,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77265f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:11, skipping insertion in model container [2024-11-09 01:25:11,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:11" (1/1) ... [2024-11-09 01:25:11,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:25:12,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:12,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:25:12,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:12,278 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:25:12,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12 WrapperNode [2024-11-09 01:25:12,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:12,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:12,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:25:12,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:25:12,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,367 INFO L138 Inliner]: procedures = 277, calls = 36, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 186 [2024-11-09 01:25:12,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:12,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:25:12,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:25:12,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:25:12,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:25:12,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:25:12,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:25:12,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:25:12,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (1/1) ... [2024-11-09 01:25:12,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:25:12,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:25:12,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:25:12,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-09 01:25:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-09 01:25:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-09 01:25:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-09 01:25:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 01:25:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:25:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:25:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 01:25:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:25:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:25:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:25:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:25:12,554 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 01:25:12,804 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:25:12,806 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:25:13,256 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 01:25:13,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:25:13,294 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:25:13,295 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:25:13,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:13 BoogieIcfgContainer [2024-11-09 01:25:13,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:25:13,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:25:13,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:25:13,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:25:13,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:25:11" (1/3) ... [2024-11-09 01:25:13,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d3c37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:13, skipping insertion in model container [2024-11-09 01:25:13,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:12" (2/3) ... [2024-11-09 01:25:13,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d3c37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:13, skipping insertion in model container [2024-11-09 01:25:13,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:13" (3/3) ... [2024-11-09 01:25:13,307 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-1.i [2024-11-09 01:25:13,332 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:25:13,333 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-09 01:25:13,333 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 01:25:13,506 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 01:25:13,560 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 207 places, 212 transitions, 438 flow [2024-11-09 01:25:14,722 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18524 states, 18483 states have (on average 2.776172699237137) internal successors, (51312), 18523 states have internal predecessors, (51312), 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 01:25:14,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:25:14,779 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;@d204d9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:25:14,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-09 01:25:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 18524 states, 18483 states have (on average 2.776172699237137) internal successors, (51312), 18523 states have internal predecessors, (51312), 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 01:25:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 01:25:14,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:14,875 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:14,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:14,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:14,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2090465106, now seen corresponding path program 1 times [2024-11-09 01:25:14,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:14,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431740832] [2024-11-09 01:25:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:15,331 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 01:25:15,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:15,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431740832] [2024-11-09 01:25:15,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431740832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:15,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:15,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:25:15,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781658404] [2024-11-09 01:25:15,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:15,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:15,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:15,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:15,426 INFO L87 Difference]: Start difference. First operand has 18524 states, 18483 states have (on average 2.776172699237137) internal successors, (51312), 18523 states have internal predecessors, (51312), 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 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 01:25:16,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:16,814 INFO L93 Difference]: Finished difference Result 45379 states and 126490 transitions. [2024-11-09 01:25:16,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:16,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2024-11-09 01:25:16,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:17,143 INFO L225 Difference]: With dead ends: 45379 [2024-11-09 01:25:17,143 INFO L226 Difference]: Without dead ends: 26656 [2024-11-09 01:25:17,209 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 01:25:17,214 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 147 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:17,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 394 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:25:17,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26656 states. [2024-11-09 01:25:18,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26656 to 17456. [2024-11-09 01:25:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17456 states, 17410 states have (on average 2.6663411832280297) internal successors, (46421), 17455 states have internal predecessors, (46421), 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 01:25:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17456 states to 17456 states and 46421 transitions. [2024-11-09 01:25:18,614 INFO L78 Accepts]: Start accepts. Automaton has 17456 states and 46421 transitions. Word has length 46 [2024-11-09 01:25:18,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:18,727 INFO L471 AbstractCegarLoop]: Abstraction has 17456 states and 46421 transitions. [2024-11-09 01:25:18,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 01:25:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 17456 states and 46421 transitions. [2024-11-09 01:25:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 01:25:18,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:18,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:18,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:25:18,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:18,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:18,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1665829184, now seen corresponding path program 1 times [2024-11-09 01:25:18,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:18,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982512007] [2024-11-09 01:25:18,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:18,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:19,031 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 01:25:19,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982512007] [2024-11-09 01:25:19,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982512007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:19,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:19,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:25:19,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219631446] [2024-11-09 01:25:19,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:19,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:19,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:19,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:19,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:19,037 INFO L87 Difference]: Start difference. First operand 17456 states and 46421 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 01:25:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:19,746 INFO L93 Difference]: Finished difference Result 41399 states and 110314 transitions. [2024-11-09 01:25:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:19,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2024-11-09 01:25:19,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:19,918 INFO L225 Difference]: With dead ends: 41399 [2024-11-09 01:25:19,918 INFO L226 Difference]: Without dead ends: 23446 [2024-11-09 01:25:19,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:25:19,970 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 103 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:19,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 356 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23446 states. [2024-11-09 01:25:20,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23446 to 22830. [2024-11-09 01:25:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22830 states, 22784 states have (on average 2.6667398174157304) internal successors, (60759), 22829 states have internal predecessors, (60759), 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 01:25:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22830 states to 22830 states and 60759 transitions. [2024-11-09 01:25:21,369 INFO L78 Accepts]: Start accepts. Automaton has 22830 states and 60759 transitions. Word has length 62 [2024-11-09 01:25:21,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:21,372 INFO L471 AbstractCegarLoop]: Abstraction has 22830 states and 60759 transitions. [2024-11-09 01:25:21,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 01:25:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 22830 states and 60759 transitions. [2024-11-09 01:25:21,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 01:25:21,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:21,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:21,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:25:21,382 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:21,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:21,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1484832803, now seen corresponding path program 1 times [2024-11-09 01:25:21,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:21,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123426573] [2024-11-09 01:25:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:22,384 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 01:25:22,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:22,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123426573] [2024-11-09 01:25:22,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123426573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:22,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:22,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:25:22,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172706222] [2024-11-09 01:25:22,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:22,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:25:22,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:22,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:25:22,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:25:22,389 INFO L87 Difference]: Start difference. First operand 22830 states and 60759 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 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 01:25:22,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:22,971 INFO L93 Difference]: Finished difference Result 24288 states and 64755 transitions. [2024-11-09 01:25:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:25:22,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2024-11-09 01:25:22,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:23,125 INFO L225 Difference]: With dead ends: 24288 [2024-11-09 01:25:23,125 INFO L226 Difference]: Without dead ends: 23994 [2024-11-09 01:25:23,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:25:23,140 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 295 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:23,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 893 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:25:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23994 states. [2024-11-09 01:25:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23994 to 23751. [2024-11-09 01:25:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23751 states, 23709 states have (on average 2.6701674469610697) internal successors, (63307), 23750 states have internal predecessors, (63307), 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 01:25:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23751 states to 23751 states and 63307 transitions. [2024-11-09 01:25:24,322 INFO L78 Accepts]: Start accepts. Automaton has 23751 states and 63307 transitions. Word has length 69 [2024-11-09 01:25:24,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:24,323 INFO L471 AbstractCegarLoop]: Abstraction has 23751 states and 63307 transitions. [2024-11-09 01:25:24,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 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 01:25:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 23751 states and 63307 transitions. [2024-11-09 01:25:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 01:25:24,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:24,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:24,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:25:24,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:24,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1344725987, now seen corresponding path program 1 times [2024-11-09 01:25:24,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:24,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835391785] [2024-11-09 01:25:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:24,418 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 01:25:24,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:24,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835391785] [2024-11-09 01:25:24,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835391785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:24,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:24,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:25:24,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323798008] [2024-11-09 01:25:24,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:24,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:24,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:24,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:24,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:24,422 INFO L87 Difference]: Start difference. First operand 23751 states and 63307 transitions. Second operand has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 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 01:25:24,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:24,988 INFO L93 Difference]: Finished difference Result 24771 states and 66087 transitions. [2024-11-09 01:25:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:24,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2024-11-09 01:25:24,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:25,133 INFO L225 Difference]: With dead ends: 24771 [2024-11-09 01:25:25,134 INFO L226 Difference]: Without dead ends: 22173 [2024-11-09 01:25:25,150 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 01:25:25,154 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 78 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:25,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 406 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22173 states. [2024-11-09 01:25:25,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22173 to 21708. [2024-11-09 01:25:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21708 states, 21670 states have (on average 2.643608675588371) internal successors, (57287), 21707 states have internal predecessors, (57287), 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 01:25:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21708 states to 21708 states and 57287 transitions. [2024-11-09 01:25:26,287 INFO L78 Accepts]: Start accepts. Automaton has 21708 states and 57287 transitions. Word has length 79 [2024-11-09 01:25:26,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:26,288 INFO L471 AbstractCegarLoop]: Abstraction has 21708 states and 57287 transitions. [2024-11-09 01:25:26,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 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 01:25:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 21708 states and 57287 transitions. [2024-11-09 01:25:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 01:25:26,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:26,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:26,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:25:26,304 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:26,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:26,305 INFO L85 PathProgramCache]: Analyzing trace with hash -889201316, now seen corresponding path program 1 times [2024-11-09 01:25:26,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:26,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449983196] [2024-11-09 01:25:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:26,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:26,569 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 01:25:26,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:26,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449983196] [2024-11-09 01:25:26,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449983196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:26,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:26,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:25:26,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811547351] [2024-11-09 01:25:26,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:26,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:26,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:26,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:26,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:26,577 INFO L87 Difference]: Start difference. First operand 21708 states and 57287 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:25:26,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:26,965 INFO L93 Difference]: Finished difference Result 25850 states and 68529 transitions. [2024-11-09 01:25:26,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:26,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-09 01:25:26,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:27,060 INFO L225 Difference]: With dead ends: 25850 [2024-11-09 01:25:27,061 INFO L226 Difference]: Without dead ends: 5865 [2024-11-09 01:25:27,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:27,115 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 137 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:27,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 253 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:25:27,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2024-11-09 01:25:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 5145. [2024-11-09 01:25:27,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5145 states, 5141 states have (on average 2.5547558840692473) internal successors, (13134), 5144 states have internal predecessors, (13134), 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 01:25:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 13134 transitions. [2024-11-09 01:25:27,414 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 13134 transitions. Word has length 93 [2024-11-09 01:25:27,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:27,416 INFO L471 AbstractCegarLoop]: Abstraction has 5145 states and 13134 transitions. [2024-11-09 01:25:27,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:25:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 13134 transitions. [2024-11-09 01:25:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 01:25:27,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:27,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:27,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:25:27,437 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:27,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:27,438 INFO L85 PathProgramCache]: Analyzing trace with hash 500470746, now seen corresponding path program 1 times [2024-11-09 01:25:27,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:27,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574825575] [2024-11-09 01:25:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:27,575 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 01:25:27,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:27,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574825575] [2024-11-09 01:25:27,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574825575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:27,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:27,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:25:27,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638980846] [2024-11-09 01:25:27,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:27,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:27,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:27,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:27,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:27,586 INFO L87 Difference]: Start difference. First operand 5145 states and 13134 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 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 01:25:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:27,774 INFO L93 Difference]: Finished difference Result 5145 states and 13134 transitions. [2024-11-09 01:25:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:27,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 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 121 [2024-11-09 01:25:27,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:27,851 INFO L225 Difference]: With dead ends: 5145 [2024-11-09 01:25:27,852 INFO L226 Difference]: Without dead ends: 5114 [2024-11-09 01:25:27,855 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 01:25:27,857 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 15 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:27,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 316 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2024-11-09 01:25:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5114. [2024-11-09 01:25:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 5112 states have (on average 2.55320813771518) internal successors, (13052), 5113 states have internal predecessors, (13052), 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 01:25:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 13052 transitions. [2024-11-09 01:25:28,365 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 13052 transitions. Word has length 121 [2024-11-09 01:25:28,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:28,366 INFO L471 AbstractCegarLoop]: Abstraction has 5114 states and 13052 transitions. [2024-11-09 01:25:28,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 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 01:25:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 13052 transitions. [2024-11-09 01:25:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 01:25:28,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:28,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:28,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 01:25:28,381 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-09 01:25:28,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:28,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1752723801, now seen corresponding path program 1 times [2024-11-09 01:25:28,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:28,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335292811] [2024-11-09 01:25:28,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:28,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:29,170 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 01:25:29,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:29,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335292811] [2024-11-09 01:25:29,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335292811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:29,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:29,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:25:29,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045740227] [2024-11-09 01:25:29,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:29,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:25:29,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:29,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:25:29,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:25:29,174 INFO L87 Difference]: Start difference. First operand 5114 states and 13052 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 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 01:25:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:29,327 INFO L93 Difference]: Finished difference Result 5114 states and 13052 transitions. [2024-11-09 01:25:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:25:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 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 136 [2024-11-09 01:25:29,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:29,370 INFO L225 Difference]: With dead ends: 5114 [2024-11-09 01:25:29,370 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:25:29,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:25:29,385 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 58 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:29,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 400 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:25:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:25:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:25:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:25:29,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2024-11-09 01:25:29,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:29,424 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:25:29,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 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 01:25:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:25:29,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:25:29,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining) [2024-11-09 01:25:29,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 24 remaining) [2024-11-09 01:25:29,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2024-11-09 01:25:29,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2024-11-09 01:25:29,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2024-11-09 01:25:29,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2024-11-09 01:25:29,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2024-11-09 01:25:29,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2024-11-09 01:25:29,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2024-11-09 01:25:29,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2024-11-09 01:25:29,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2024-11-09 01:25:29,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2024-11-09 01:25:29,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2024-11-09 01:25:29,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2024-11-09 01:25:29,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2024-11-09 01:25:29,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2024-11-09 01:25:29,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2024-11-09 01:25:29,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2024-11-09 01:25:29,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2024-11-09 01:25:29,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2024-11-09 01:25:29,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2024-11-09 01:25:29,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2024-11-09 01:25:29,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2024-11-09 01:25:29,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2024-11-09 01:25:29,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 01:25:29,439 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:29,446 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 01:25:29,446 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:25:29,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:25:29 BasicIcfg [2024-11-09 01:25:29,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:25:29,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:25:29,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:25:29,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:25:29,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:13" (3/4) ... [2024-11-09 01:25:29,454 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:25:29,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-09 01:25:29,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-09 01:25:29,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 01:25:29,464 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 01:25:29,464 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:25:29,464 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:25:29,561 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:25:29,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:25:29,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:25:29,563 INFO L158 Benchmark]: Toolchain (without parser) took 18295.76ms. Allocated memory was 157.3MB in the beginning and 6.8GB in the end (delta: 6.7GB). Free memory was 117.1MB in the beginning and 6.1GB in the end (delta: -5.9GB). Peak memory consumption was 737.8MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,563 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:25:29,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1010.28ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 102.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.92ms. Allocated memory is still 157.3MB. Free memory was 102.5MB in the beginning and 99.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,565 INFO L158 Benchmark]: Boogie Preprocessor took 43.47ms. Allocated memory is still 157.3MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,565 INFO L158 Benchmark]: RCFGBuilder took 879.57ms. Allocated memory is still 157.3MB. Free memory was 97.7MB in the beginning and 75.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,566 INFO L158 Benchmark]: TraceAbstraction took 16151.87ms. Allocated memory was 157.3MB in the beginning and 6.8GB in the end (delta: 6.7GB). Free memory was 74.6MB in the beginning and 6.1GB in the end (delta: -6.0GB). Peak memory consumption was 692.6MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,566 INFO L158 Benchmark]: Witness Printer took 111.48ms. Allocated memory is still 6.8GB. Free memory was 6.1GB in the beginning and 6.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:25:29,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1010.28ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 102.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.92ms. Allocated memory is still 157.3MB. Free memory was 102.5MB in the beginning and 99.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.47ms. Allocated memory is still 157.3MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 879.57ms. Allocated memory is still 157.3MB. Free memory was 97.7MB in the beginning and 75.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16151.87ms. Allocated memory was 157.3MB in the beginning and 6.8GB in the end (delta: 6.7GB). Free memory was 74.6MB in the beginning and 6.1GB in the end (delta: -6.0GB). Peak memory consumption was 692.6MB. Max. memory is 16.1GB. * Witness Printer took 111.48ms. Allocated memory is still 6.8GB. Free memory was 6.1GB in the beginning and 6.1GB 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: 962]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 954]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1009]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 954]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 984]: 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 5 procedures, 358 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 833 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 833 mSDsluCounter, 3018 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1288 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 1730 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23751occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 11244 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 606 NumberOfCodeBlocks, 606 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 01:25:29,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0b818b-f508-44a8-af20-1b28576e1157/bin/utaipan-verify-YMUCfTKeje/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