./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/lazy01.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_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/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_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/lazy01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/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_ec28933a-f2a8-4b81-b322-8bd231a78c22/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 b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:55:47,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:55:47,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 04:55:47,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:55:47,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:55:47,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:55:47,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:55:47,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:55:47,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:55:47,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:55:47,586 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:55:47,586 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:55:47,587 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:55:47,591 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:55:47,592 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:55:47,592 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:55:47,593 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:55:47,593 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:55:47,593 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:55:47,594 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:55:47,594 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:55:47,598 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:55:47,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:55:47,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:55:47,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:55:47,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:55:47,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:55:47,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:55:47,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:55:47,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:55:47,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:55:47,604 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 04:55:47,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:55:47,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:55:47,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:55:47,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:55:47,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:55:47,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:55:47,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:55:47,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:55:47,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:55:47,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:55:47,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:55:47,613 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:55:47,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:55:47,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:55:47,614 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:55:47,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:55:47,615 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_ec28933a-f2a8-4b81-b322-8bd231a78c22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 [2024-11-09 04:55:47,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:55:48,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:55:48,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:55:48,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:55:48,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:55:48,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread/lazy01.i Unable to find full path for "g++" [2024-11-09 04:55:50,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:55:50,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:55:50,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/sv-benchmarks/c/pthread/lazy01.i [2024-11-09 04:55:50,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/data/f4c8ab0a8/bb866845e5eb4b72be3b31174b88d633/FLAG47135505f [2024-11-09 04:55:50,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/data/f4c8ab0a8/bb866845e5eb4b72be3b31174b88d633 [2024-11-09 04:55:50,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:55:50,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:55:50,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:55:50,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:55:50,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:55:50,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:55:50" (1/1) ... [2024-11-09 04:55:50,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3479bb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:50, skipping insertion in model container [2024-11-09 04:55:50,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:55:50" (1/1) ... [2024-11-09 04:55:50,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:55:51,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:55:51,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:55:51,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:55:51,722 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:55:51,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51 WrapperNode [2024-11-09 04:55:51,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:55:51,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:55:51,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:55:51,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:55:51,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,792 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-09 04:55:51,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:55:51,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:55:51,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:55:51,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:55:51,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:55:51,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:55:51,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:55:51,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:55:51,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (1/1) ... [2024-11-09 04:55:51,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:55:51,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:51,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:55:51,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:55:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 04:55:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 04:55:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 04:55:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 04:55:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 04:55:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 04:55:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 04:55:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:55:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:55:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 04:55:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:55:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:55:51,946 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 04:55:52,120 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:55:52,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:55:52,381 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:55:52,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:55:52,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:55:52,423 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:55:52,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:55:52 BoogieIcfgContainer [2024-11-09 04:55:52,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:55:52,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:55:52,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:55:52,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:55:52,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:55:50" (1/3) ... [2024-11-09 04:55:52,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306bdfcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:55:52, skipping insertion in model container [2024-11-09 04:55:52,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:51" (2/3) ... [2024-11-09 04:55:52,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306bdfcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:55:52, skipping insertion in model container [2024-11-09 04:55:52,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:55:52" (3/3) ... [2024-11-09 04:55:52,435 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2024-11-09 04:55:52,459 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:55:52,459 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-09 04:55:52,459 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:55:52,544 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 04:55:52,593 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 100 transitions, 221 flow [2024-11-09 04:55:53,824 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17392 states, 17375 states have (on average 3.4942158273381296) internal successors, (60712), 17391 states have internal predecessors, (60712), 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 04:55:53,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:55:53,884 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;@15692189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:55:53,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-09 04:55:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 17392 states, 17375 states have (on average 3.4942158273381296) internal successors, (60712), 17391 states have internal predecessors, (60712), 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 04:55:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 04:55:53,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:53,957 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] [2024-11-09 04:55:53,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-09 04:55:54,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:54,034 INFO L85 PathProgramCache]: Analyzing trace with hash -975949178, now seen corresponding path program 1 times [2024-11-09 04:55:54,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:55:54,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935176268] [2024-11-09 04:55:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:54,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:55:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:55:54,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:55:54,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935176268] [2024-11-09 04:55:54,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935176268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:54,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:55:54,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:55:54,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061125309] [2024-11-09 04:55:54,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:54,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:55:54,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:55:54,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:55:54,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:55:54,522 INFO L87 Difference]: Start difference. First operand has 17392 states, 17375 states have (on average 3.4942158273381296) internal successors, (60712), 17391 states have internal predecessors, (60712), 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 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:55:55,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:55,442 INFO L93 Difference]: Finished difference Result 30268 states and 105027 transitions. [2024-11-09 04:55:55,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:55:55,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-09 04:55:55,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:55,961 INFO L225 Difference]: With dead ends: 30268 [2024-11-09 04:55:55,961 INFO L226 Difference]: Without dead ends: 21216 [2024-11-09 04:55:55,996 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 04:55:56,001 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 56 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:56,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 166 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:55:56,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21216 states. [2024-11-09 04:55:57,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21216 to 15174. [2024-11-09 04:55:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15174 states, 15152 states have (on average 3.36490232312566) internal successors, (50985), 15173 states have internal predecessors, (50985), 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 04:55:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15174 states to 15174 states and 50985 transitions. [2024-11-09 04:55:57,490 INFO L78 Accepts]: Start accepts. Automaton has 15174 states and 50985 transitions. Word has length 29 [2024-11-09 04:55:57,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:57,491 INFO L471 AbstractCegarLoop]: Abstraction has 15174 states and 50985 transitions. [2024-11-09 04:55:57,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:55:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 15174 states and 50985 transitions. [2024-11-09 04:55:57,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 04:55:57,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:57,495 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] [2024-11-09 04:55:57,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:55:57,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-09 04:55:57,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:57,499 INFO L85 PathProgramCache]: Analyzing trace with hash 79150150, now seen corresponding path program 1 times [2024-11-09 04:55:57,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:55:57,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436659527] [2024-11-09 04:55:57,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:57,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:55:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:57,644 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 04:55:57,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:55:57,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436659527] [2024-11-09 04:55:57,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436659527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:57,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:55:57,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:55:57,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102587321] [2024-11-09 04:55:57,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:57,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:55:57,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:55:57,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:55:57,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:55:57,651 INFO L87 Difference]: Start difference. First operand 15174 states and 50985 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 04:55:58,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:58,146 INFO L93 Difference]: Finished difference Result 17679 states and 59118 transitions. [2024-11-09 04:55:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:55:58,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2024-11-09 04:55:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:58,360 INFO L225 Difference]: With dead ends: 17679 [2024-11-09 04:55:58,360 INFO L226 Difference]: Without dead ends: 15087 [2024-11-09 04:55:58,376 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 04:55:58,379 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:58,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 167 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:55:58,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15087 states. [2024-11-09 04:55:59,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15087 to 14091. [2024-11-09 04:55:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14091 states, 14070 states have (on average 3.297867803837953) internal successors, (46401), 14090 states have internal predecessors, (46401), 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 04:55:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14091 states to 14091 states and 46401 transitions. [2024-11-09 04:55:59,407 INFO L78 Accepts]: Start accepts. Automaton has 14091 states and 46401 transitions. Word has length 34 [2024-11-09 04:55:59,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:59,408 INFO L471 AbstractCegarLoop]: Abstraction has 14091 states and 46401 transitions. [2024-11-09 04:55:59,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 04:55:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 14091 states and 46401 transitions. [2024-11-09 04:55:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 04:55:59,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:59,413 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] [2024-11-09 04:55:59,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:55:59,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-09 04:55:59,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash -202221927, now seen corresponding path program 1 times [2024-11-09 04:55:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:55:59,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815781802] [2024-11-09 04:55:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:55:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:59,555 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 04:55:59,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:55:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815781802] [2024-11-09 04:55:59,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815781802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:59,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:55:59,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:55:59,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069724708] [2024-11-09 04:55:59,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:59,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:55:59,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:55:59,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:55:59,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:55:59,565 INFO L87 Difference]: Start difference. First operand 14091 states and 46401 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 04:55:59,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:59,961 INFO L93 Difference]: Finished difference Result 16083 states and 52406 transitions. [2024-11-09 04:55:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:55:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2024-11-09 04:55:59,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:56:00,092 INFO L225 Difference]: With dead ends: 16083 [2024-11-09 04:56:00,092 INFO L226 Difference]: Without dead ends: 13160 [2024-11-09 04:56:00,105 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 04:56:00,107 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 39 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:56:00,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 163 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:56:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13160 states. [2024-11-09 04:56:00,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13160 to 12870. [2024-11-09 04:56:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12870 states, 12851 states have (on average 3.1755505408139446) internal successors, (40809), 12869 states have internal predecessors, (40809), 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 04:56:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12870 states to 12870 states and 40809 transitions. [2024-11-09 04:56:00,682 INFO L78 Accepts]: Start accepts. Automaton has 12870 states and 40809 transitions. Word has length 39 [2024-11-09 04:56:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:56:00,684 INFO L471 AbstractCegarLoop]: Abstraction has 12870 states and 40809 transitions. [2024-11-09 04:56:00,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 04:56:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12870 states and 40809 transitions. [2024-11-09 04:56:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 04:56:00,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:56:00,696 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] [2024-11-09 04:56:00,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:56:00,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-09 04:56:00,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:56:00,702 INFO L85 PathProgramCache]: Analyzing trace with hash 798693316, now seen corresponding path program 1 times [2024-11-09 04:56:00,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:56:00,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954115980] [2024-11-09 04:56:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:00,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:56:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:00,897 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 04:56:00,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:56:00,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954115980] [2024-11-09 04:56:00,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954115980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:56:00,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:56:00,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:56:00,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761398431] [2024-11-09 04:56:00,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:56:00,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:56:00,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:56:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:56:00,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:56:00,902 INFO L87 Difference]: Start difference. First operand 12870 states and 40809 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 04:56:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:56:01,274 INFO L93 Difference]: Finished difference Result 14114 states and 44615 transitions. [2024-11-09 04:56:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:56:01,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2024-11-09 04:56:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:56:01,304 INFO L225 Difference]: With dead ends: 14114 [2024-11-09 04:56:01,304 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:56:01,335 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 04:56:01,336 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 44 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:56:01,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 136 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:56:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:56:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:56:01,341 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 04:56:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:56:01,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-09 04:56:01,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:56:01,367 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:56:01,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 04:56:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:56:01,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:56:01,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-09 04:56:01,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-09 04:56:01,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-09 04:56:01,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-09 04:56:01,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-09 04:56:01,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 13 remaining) [2024-11-09 04:56:01,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2024-11-09 04:56:01,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2024-11-09 04:56:01,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-09 04:56:01,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-09 04:56:01,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-09 04:56:01,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-09 04:56:01,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-09 04:56:01,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:56:01,386 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 04:56:01,393 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 04:56:01,393 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:56:01,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:56:01 BasicIcfg [2024-11-09 04:56:01,401 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:56:01,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:56:01,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:56:01,402 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:56:01,403 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:55:52" (3/4) ... [2024-11-09 04:56:01,406 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:56:01,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 04:56:01,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 04:56:01,411 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 04:56:01,416 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 04:56:01,418 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 04:56:01,418 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 04:56:01,419 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:56:01,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:56:01,527 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:56:01,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:56:01,528 INFO L158 Benchmark]: Toolchain (without parser) took 10661.63ms. Allocated memory was 144.7MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 108.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 373.2MB. Max. memory is 16.1GB. [2024-11-09 04:56:01,529 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:56:01,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.19ms. Allocated memory is still 144.7MB. Free memory was 107.8MB in the beginning and 98.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 04:56:01,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.53ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:56:01,530 INFO L158 Benchmark]: Boogie Preprocessor took 44.04ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 95.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:56:01,531 INFO L158 Benchmark]: RCFGBuilder took 586.11ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 78.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:56:01,531 INFO L158 Benchmark]: TraceAbstraction took 8974.53ms. Allocated memory was 144.7MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 78.3MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 341.0MB. Max. memory is 16.1GB. [2024-11-09 04:56:01,532 INFO L158 Benchmark]: Witness Printer took 126.28ms. Allocated memory is still 3.8GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:56:01,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.19ms. Allocated memory is still 144.7MB. Free memory was 107.8MB in the beginning and 98.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.53ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.04ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 95.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 586.11ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 78.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8974.53ms. Allocated memory was 144.7MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 78.3MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 341.0MB. Max. memory is 16.1GB. * Witness Printer took 126.28ms. Allocated memory is still 3.8GB. Free memory was 3.4GB in the beginning and 3.4GB 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: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: 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 7 procedures, 155 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 632 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 410 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17392occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 7328 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 04:56:01,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec28933a-f2a8-4b81-b322-8bd231a78c22/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE