./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.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_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/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_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/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_341aa4ea-16bb-4b49-8018-803fa40f7cda/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 b91c0e76ead39d37c0c1e44d79e923c90b028e42d77a4818013a56c3d1542d8d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:23:16,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:23:16,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 01:23:16,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:23:16,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:23:16,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:23:16,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:23:16,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:23:16,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:23:16,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:23:16,372 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:23:16,373 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:23:16,373 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:23:16,374 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:23:16,374 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:23:16,377 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:23:16,381 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:23:16,381 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:23:16,382 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:23:16,382 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:23:16,383 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:23:16,387 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:23:16,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:23:16,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:23:16,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:23:16,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:23:16,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:23:16,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:23:16,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:23:16,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:23:16,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:23:16,395 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 01:23:16,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:23:16,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:23:16,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:23:16,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:23:16,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:23:16,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:23:16,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:23:16,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:23:16,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:23:16,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:23:16,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:23:16,402 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:23:16,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:23:16,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:23:16,403 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:23:16,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:23:16,403 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_341aa4ea-16bb-4b49-8018-803fa40f7cda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b91c0e76ead39d37c0c1e44d79e923c90b028e42d77a4818013a56c3d1542d8d [2024-11-09 01:23:16,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:23:16,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:23:16,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:23:16,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:23:16,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:23:16,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i Unable to find full path for "g++" [2024-11-09 01:23:19,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:23:19,664 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:23:19,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2024-11-09 01:23:19,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/data/f9df32bc7/aa3a04dd316c4a6984bb34a1a612ea2e/FLAGddb74715e [2024-11-09 01:23:19,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/data/f9df32bc7/aa3a04dd316c4a6984bb34a1a612ea2e [2024-11-09 01:23:19,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:23:19,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:23:19,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:23:19,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:23:19,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:23:19,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:23:19" (1/1) ... [2024-11-09 01:23:19,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efd9145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:19, skipping insertion in model container [2024-11-09 01:23:19,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:23:19" (1/1) ... [2024-11-09 01:23:19,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:23:20,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:23:20,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:23:20,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:23:20,770 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:23:20,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20 WrapperNode [2024-11-09 01:23:20,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:23:20,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:23:20,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:23:20,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:23:20,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,844 INFO L138 Inliner]: procedures = 265, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2024-11-09 01:23:20,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:23:20,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:23:20,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:23:20,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:23:20,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:23:20,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:23:20,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:23:20,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:23:20,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (1/1) ... [2024-11-09 01:23:20,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:23:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:23:20,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:23:20,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:23:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 01:23:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 01:23:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:23:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 01:23:20,988 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 01:23:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:23:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:23:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:23:20,993 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 01:23:21,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:23:21,177 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:23:21,440 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 01:23:21,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:23:21,520 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:23:21,521 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:23:21,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:21 BoogieIcfgContainer [2024-11-09 01:23:21,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:23:21,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:23:21,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:23:21,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:23:21,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:23:19" (1/3) ... [2024-11-09 01:23:21,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954dcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:23:21, skipping insertion in model container [2024-11-09 01:23:21,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:20" (2/3) ... [2024-11-09 01:23:21,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954dcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:23:21, skipping insertion in model container [2024-11-09 01:23:21,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:21" (3/3) ... [2024-11-09 01:23:21,539 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2024-11-09 01:23:21,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:23:21,564 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-09 01:23:21,564 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 01:23:21,658 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 01:23:21,700 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 97 transitions, 198 flow [2024-11-09 01:23:21,839 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1125 states, 1108 states have (on average 1.9593862815884477) internal successors, (2171), 1124 states have internal predecessors, (2171), 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 01:23:21,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:23:21,885 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;@49724b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:23:21,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-09 01:23:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 1125 states, 1108 states have (on average 1.9593862815884477) internal successors, (2171), 1124 states have internal predecessors, (2171), 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 01:23:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 01:23:21,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:21,902 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] [2024-11-09 01:23:21,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:21,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:21,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1470809619, now seen corresponding path program 1 times [2024-11-09 01:23:21,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599087498] [2024-11-09 01:23:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:21,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:22,243 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 01:23:22,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:22,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599087498] [2024-11-09 01:23:22,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599087498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:22,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:22,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:23:22,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128253172] [2024-11-09 01:23:22,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:22,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:22,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:22,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:22,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:22,283 INFO L87 Difference]: Start difference. First operand has 1125 states, 1108 states have (on average 1.9593862815884477) internal successors, (2171), 1124 states have internal predecessors, (2171), 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 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 01:23:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:22,459 INFO L93 Difference]: Finished difference Result 1808 states and 3488 transitions. [2024-11-09 01:23:22,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:22,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2024-11-09 01:23:22,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:22,499 INFO L225 Difference]: With dead ends: 1808 [2024-11-09 01:23:22,499 INFO L226 Difference]: Without dead ends: 1782 [2024-11-09 01:23:22,505 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 01:23:22,510 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 64 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:22,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 186 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2024-11-09 01:23:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1137. [2024-11-09 01:23:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1120 states have (on average 1.9589285714285714) internal successors, (2194), 1136 states have internal predecessors, (2194), 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 01:23:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2194 transitions. [2024-11-09 01:23:22,679 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2194 transitions. Word has length 31 [2024-11-09 01:23:22,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:22,680 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 2194 transitions. [2024-11-09 01:23:22,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 01:23:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2194 transitions. [2024-11-09 01:23:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 01:23:22,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:22,682 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] [2024-11-09 01:23:22,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:23:22,683 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:22,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:22,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2075281972, now seen corresponding path program 1 times [2024-11-09 01:23:22,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:22,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8303610] [2024-11-09 01:23:22,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:22,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:22,866 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 01:23:22,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:22,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8303610] [2024-11-09 01:23:22,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8303610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:22,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:22,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:23:22,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767399192] [2024-11-09 01:23:22,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:22,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:22,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:22,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:22,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:22,877 INFO L87 Difference]: Start difference. First operand 1137 states and 2194 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 01:23:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:22,995 INFO L93 Difference]: Finished difference Result 1256 states and 2431 transitions. [2024-11-09 01:23:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:22,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2024-11-09 01:23:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:23,008 INFO L225 Difference]: With dead ends: 1256 [2024-11-09 01:23:23,009 INFO L226 Difference]: Without dead ends: 1209 [2024-11-09 01:23:23,012 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 01:23:23,014 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:23,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 202 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-11-09 01:23:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1169. [2024-11-09 01:23:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1153 states have (on average 1.9583694709453598) internal successors, (2258), 1168 states have internal predecessors, (2258), 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 01:23:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 2258 transitions. [2024-11-09 01:23:23,081 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 2258 transitions. Word has length 33 [2024-11-09 01:23:23,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:23,083 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 2258 transitions. [2024-11-09 01:23:23,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 01:23:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2258 transitions. [2024-11-09 01:23:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 01:23:23,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:23,087 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] [2024-11-09 01:23:23,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:23:23,088 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:23,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:23,093 INFO L85 PathProgramCache]: Analyzing trace with hash 13432071, now seen corresponding path program 1 times [2024-11-09 01:23:23,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:23,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068318274] [2024-11-09 01:23:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:23,366 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 01:23:23,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:23,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068318274] [2024-11-09 01:23:23,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068318274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:23,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:23,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:23:23,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854302547] [2024-11-09 01:23:23,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:23,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:23,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:23,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:23,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:23,369 INFO L87 Difference]: Start difference. First operand 1169 states and 2258 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 01:23:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:23,449 INFO L93 Difference]: Finished difference Result 2034 states and 3926 transitions. [2024-11-09 01:23:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:23,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2024-11-09 01:23:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:23,457 INFO L225 Difference]: With dead ends: 2034 [2024-11-09 01:23:23,458 INFO L226 Difference]: Without dead ends: 1091 [2024-11-09 01:23:23,463 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 01:23:23,464 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 60 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:23,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 215 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:23:23,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-09 01:23:23,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1019. [2024-11-09 01:23:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1010 states have (on average 1.9287128712871286) internal successors, (1948), 1018 states have internal predecessors, (1948), 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 01:23:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1948 transitions. [2024-11-09 01:23:23,505 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1948 transitions. Word has length 38 [2024-11-09 01:23:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:23,505 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1948 transitions. [2024-11-09 01:23:23,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 01:23:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1948 transitions. [2024-11-09 01:23:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 01:23:23,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:23,510 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 01:23:23,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:23:23,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:23,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1917517812, now seen corresponding path program 1 times [2024-11-09 01:23:23,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:23,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323748484] [2024-11-09 01:23:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:23,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:23,594 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 01:23:23,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:23,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323748484] [2024-11-09 01:23:23,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323748484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:23,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:23,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:23:23,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485236634] [2024-11-09 01:23:23,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:23,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:23,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:23,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:23,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:23,597 INFO L87 Difference]: Start difference. First operand 1019 states and 1948 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 01:23:23,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:23,694 INFO L93 Difference]: Finished difference Result 1083 states and 2042 transitions. [2024-11-09 01:23:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:23,695 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 01:23:23,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:23,701 INFO L225 Difference]: With dead ends: 1083 [2024-11-09 01:23:23,702 INFO L226 Difference]: Without dead ends: 798 [2024-11-09 01:23:23,704 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 01:23:23,707 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 61 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:23,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 181 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:23,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-09 01:23:23,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 766. [2024-11-09 01:23:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 761 states have (on average 1.873850197109067) internal successors, (1426), 765 states have internal predecessors, (1426), 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 01:23:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1426 transitions. [2024-11-09 01:23:23,742 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1426 transitions. Word has length 39 [2024-11-09 01:23:23,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:23,745 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1426 transitions. [2024-11-09 01:23:23,745 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 01:23:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1426 transitions. [2024-11-09 01:23:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 01:23:23,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:23,750 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] [2024-11-09 01:23:23,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:23:23,750 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1077198669, now seen corresponding path program 1 times [2024-11-09 01:23:23,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:23,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452874601] [2024-11-09 01:23:23,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:23,834 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 01:23:23,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452874601] [2024-11-09 01:23:23,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452874601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:23,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:23,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:23:23,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135374840] [2024-11-09 01:23:23,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:23,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:23,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:23,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:23,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:23,839 INFO L87 Difference]: Start difference. First operand 766 states and 1426 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 01:23:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:23,916 INFO L93 Difference]: Finished difference Result 783 states and 1449 transitions. [2024-11-09 01:23:23,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:23,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-09 01:23:23,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:23,922 INFO L225 Difference]: With dead ends: 783 [2024-11-09 01:23:23,922 INFO L226 Difference]: Without dead ends: 693 [2024-11-09 01:23:23,923 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 01:23:23,925 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 25 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:23,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 164 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-09 01:23:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2024-11-09 01:23:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 689 states have (on average 1.8447024673439767) internal successors, (1271), 692 states have internal predecessors, (1271), 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 01:23:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1271 transitions. [2024-11-09 01:23:23,950 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1271 transitions. Word has length 44 [2024-11-09 01:23:23,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:23,950 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 1271 transitions. [2024-11-09 01:23:23,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 01:23:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1271 transitions. [2024-11-09 01:23:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 01:23:23,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:23,955 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 01:23:23,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:23:23,955 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:23,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:23,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1011580688, now seen corresponding path program 1 times [2024-11-09 01:23:23,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:23,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348266826] [2024-11-09 01:23:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:24,017 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 01:23:24,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:24,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348266826] [2024-11-09 01:23:24,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348266826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:24,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:24,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:23:24,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78546577] [2024-11-09 01:23:24,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:24,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:24,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:24,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:24,022 INFO L87 Difference]: Start difference. First operand 693 states and 1271 transitions. 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 01:23:24,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:24,096 INFO L93 Difference]: Finished difference Result 710 states and 1294 transitions. [2024-11-09 01:23:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:24,097 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 01:23:24,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:24,102 INFO L225 Difference]: With dead ends: 710 [2024-11-09 01:23:24,102 INFO L226 Difference]: Without dead ends: 516 [2024-11-09 01:23:24,103 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 01:23:24,104 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 25 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:24,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 165 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:24,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-09 01:23:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2024-11-09 01:23:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 513 states have (on average 1.7855750487329434) internal successors, (916), 515 states have internal predecessors, (916), 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 01:23:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 916 transitions. [2024-11-09 01:23:24,123 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 916 transitions. Word has length 46 [2024-11-09 01:23:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:24,124 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 916 transitions. [2024-11-09 01:23:24,124 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 01:23:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 916 transitions. [2024-11-09 01:23:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 01:23:24,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:24,126 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] [2024-11-09 01:23:24,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 01:23:24,127 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:24,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash -914060831, now seen corresponding path program 1 times [2024-11-09 01:23:24,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:24,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558421932] [2024-11-09 01:23:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:24,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:24,426 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 01:23:24,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:24,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558421932] [2024-11-09 01:23:24,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558421932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:24,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:24,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:23:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631715373] [2024-11-09 01:23:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:24,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:23:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:23:24,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:23:24,430 INFO L87 Difference]: Start difference. First operand 516 states and 916 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 01:23:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:24,548 INFO L93 Difference]: Finished difference Result 712 states and 1241 transitions. [2024-11-09 01:23:24,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:23:24,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 59 [2024-11-09 01:23:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:24,553 INFO L225 Difference]: With dead ends: 712 [2024-11-09 01:23:24,553 INFO L226 Difference]: Without dead ends: 551 [2024-11-09 01:23:24,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 01:23:24,555 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 124 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:24,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 377 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-09 01:23:24,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 454. [2024-11-09 01:23:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 451 states have (on average 1.7494456762749446) internal successors, (789), 453 states have internal predecessors, (789), 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 01:23:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 789 transitions. [2024-11-09 01:23:24,570 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 789 transitions. Word has length 59 [2024-11-09 01:23:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:24,571 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 789 transitions. [2024-11-09 01:23:24,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 01:23:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 789 transitions. [2024-11-09 01:23:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 01:23:24,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:24,573 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] [2024-11-09 01:23:24,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 01:23:24,573 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-09 01:23:24,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash -872729687, now seen corresponding path program 2 times [2024-11-09 01:23:24,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:24,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931964965] [2024-11-09 01:23:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:24,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:23:24,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:23:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:23:24,653 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:23:24,653 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:23:24,654 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-09 01:23:24,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-09 01:23:24,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 13 remaining) [2024-11-09 01:23:24,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-09 01:23:24,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-09 01:23:24,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-09 01:23:24,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-09 01:23:24,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-09 01:23:24,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-09 01:23:24,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-09 01:23:24,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-09 01:23:24,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-09 01:23:24,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-09 01:23:24,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 01:23:24,665 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-11-09 01:23:24,736 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 01:23:24,736 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:23:24,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:23:24 BasicIcfg [2024-11-09 01:23:24,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:23:24,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:23:24,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:23:24,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:23:24,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:21" (3/4) ... [2024-11-09 01:23:24,745 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 01:23:24,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:23:24,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:23:24,812 INFO L158 Benchmark]: Toolchain (without parser) took 5085.51ms. Allocated memory is still 192.9MB. Free memory was 153.9MB in the beginning and 94.4MB in the end (delta: 59.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-11-09 01:23:24,813 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:23:24,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.68ms. Allocated memory is still 192.9MB. Free memory was 153.3MB in the beginning and 121.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 01:23:24,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.21ms. Allocated memory is still 192.9MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:23:24,813 INFO L158 Benchmark]: Boogie Preprocessor took 42.61ms. Allocated memory is still 192.9MB. Free memory was 119.8MB in the beginning and 118.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:23:24,814 INFO L158 Benchmark]: RCFGBuilder took 632.48ms. Allocated memory is still 192.9MB. Free memory was 118.2MB in the beginning and 158.9MB in the end (delta: -40.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-09 01:23:24,814 INFO L158 Benchmark]: TraceAbstraction took 3218.14ms. Allocated memory is still 192.9MB. Free memory was 158.9MB in the beginning and 100.7MB in the end (delta: 58.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-11-09 01:23:24,814 INFO L158 Benchmark]: Witness Printer took 68.63ms. Allocated memory is still 192.9MB. Free memory was 100.7MB in the beginning and 94.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:23:24,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.68ms. Allocated memory is still 192.9MB. Free memory was 153.3MB in the beginning and 121.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.21ms. Allocated memory is still 192.9MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.61ms. Allocated memory is still 192.9MB. Free memory was 119.8MB in the beginning and 118.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 632.48ms. Allocated memory is still 192.9MB. Free memory was 118.2MB in the beginning and 158.9MB in the end (delta: -40.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3218.14ms. Allocated memory is still 192.9MB. Free memory was 158.9MB in the beginning and 100.7MB in the end (delta: 58.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Witness Printer took 68.63ms. Allocated memory is still 192.9MB. Free memory was 100.7MB in the beginning and 94.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - DataRaceFoundResult [Line: 944]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L918] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [global=0, gm={1:0}] [L927] 0 void (*f)(void) = good; VAL [f={-1:0}, global=0, gm={1:0}] [L928] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [f={-1:0}, fm={2:0}, global=0, gm={1:0}] [L938] 0 pthread_t id; VAL [f={-1:0}, fm={2:0}, global=0, gm={1:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [f={-1:0}, fm={2:0}, global=0, gm={1:0}, id=-1] [L930] 1 void (*g)(void); VAL [\old(arg)={0:0}, arg={0:0}, f={-1:0}, fm={2:0}, global=0, gm={1:0}] [L941] 0 f = bad VAL [f={-1:2}, fm={2:0}, global=0, gm={1:0}, id=-1] [L932] 1 g = f VAL [\old(arg)={0:0}, arg={0:0}, f={-1:2}, fm={2:0}, global=0, gm={1:0}] [L932] 1 g = f VAL [\old(arg)={0:0}, arg={0:0}, f={-1:2}, fm={2:0}, g={-1:2}, global=0, gm={1:0}] [L934] CALL 1 g() [L920] 1 global++ VAL [f={-1:2}, fm={2:0}, global=1, gm={1:0}] [L944] 0 printf("global: %d\n", global) VAL [f={-1:2}, fm={2:0}, global=1, gm={1:0}, id=-1] Now there is a data race on ~global~0 between C: global++ [920] and C: printf("global: %d\n", global) [944] - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 144 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 1490 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 693 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 797 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1169occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 886 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 01:23:24,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341aa4ea-16bb-4b49-8018-803fa40f7cda/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE