./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-bakery-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91 --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 0f1f05cefb3bd84a08d6d936499ca6f215f6edf0bfbf58f9874b646b6408f7c8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:04,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:04,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-25 00:10:04,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:04,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:04,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:04,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:04,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:04,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:04,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:04,527 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:04,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:04,528 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:04,529 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:04,529 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:04,530 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:04,530 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:04,531 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:04,532 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:04,532 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:04,533 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:04,534 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:04,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:04,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:04,536 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:04,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:04,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:04,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:04,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:04,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:04,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:04,540 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:10:04,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:04,541 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:04,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:04,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:04,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:04,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:04,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:04,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:04,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:04,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:04,544 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:04,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:04,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:04,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:04,545 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:04,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:04,546 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_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f1f05cefb3bd84a08d6d936499ca6f215f6edf0bfbf58f9874b646b6408f7c8 [2023-11-25 00:10:04,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:04,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:04,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:04,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:04,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:04,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/weaver/parallel-bakery-3.wvr.c [2023-11-25 00:10:08,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:08,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:08,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/sv-benchmarks/c/weaver/parallel-bakery-3.wvr.c [2023-11-25 00:10:08,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/data/7ed2ecafe/56cab4b824504fa0a0cf617402ef992a/FLAGba56b29a7 [2023-11-25 00:10:08,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/data/7ed2ecafe/56cab4b824504fa0a0cf617402ef992a [2023-11-25 00:10:08,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:08,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:08,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:08,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:08,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:08,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2152ae9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08, skipping insertion in model container [2023-11-25 00:10:08,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:08,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:08,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:08,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:08,745 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:08,745 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:08,753 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:08,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08 WrapperNode [2023-11-25 00:10:08,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:08,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:08,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:08,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:08,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,835 INFO L138 Inliner]: procedures = 22, calls = 111, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 670 [2023-11-25 00:10:08,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:08,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:08,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:08,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:08,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:08,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:08,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:08,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:08,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (1/1) ... [2023-11-25 00:10:08,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:08,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:08,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:08,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b523f6-333c-4b6e-aa88-a394ccf0b86d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-25 00:10:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-25 00:10:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-25 00:10:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-25 00:10:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-25 00:10:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-25 00:10:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:10:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:10:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-25 00:10:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-25 00:10:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:10:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:10:08,978 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:10:09,119 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:09,121 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:10,101 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:10,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:10,649 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:10:10,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:10 BoogieIcfgContainer [2023-11-25 00:10:10,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:10,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:10,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:10,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:10,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:08" (1/3) ... [2023-11-25 00:10:10,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9c4ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:10, skipping insertion in model container [2023-11-25 00:10:10,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:08" (2/3) ... [2023-11-25 00:10:10,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9c4ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:10, skipping insertion in model container [2023-11-25 00:10:10,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:10" (3/3) ... [2023-11-25 00:10:10,666 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-3.wvr.c [2023-11-25 00:10:10,676 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:10:10,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:10,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2023-11-25 00:10:10,687 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-25 00:10:10,847 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-25 00:10:10,903 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 380 places, 378 transitions, 777 flow [2023-11-25 00:10:51,931 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1072238 states, 1005629 states have (on average 4.059540844585826) internal successors, (4082392), 1072237 states have internal predecessors, (4082392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:10:51,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:52,024 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23261d02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:52,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 210 error locations.