./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/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_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/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_b55f365f-741e-4203-932c-0628565bdf47/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 a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:00:22,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:22,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-25 00:00:22,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:22,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:23,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:23,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:23,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:23,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:23,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:23,049 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:23,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:23,052 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:23,054 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:23,055 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:23,055 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:23,056 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:23,057 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:23,057 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:23,058 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:23,059 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:23,060 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:23,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:23,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:23,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:00:23,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:23,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:00:23,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:23,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:23,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:23,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:23,068 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:00:23,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:00:23,070 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:00:23,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:23,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:23,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:23,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:23,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:23,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:23,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:23,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:23,074 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:23,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:23,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:23,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:23,076 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:23,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:23,076 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_b55f365f-741e-4203-932c-0628565bdf47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 [2023-11-25 00:00:23,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:23,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:23,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:23,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:23,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:23,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-25 00:00:26,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:00:27,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:00:27,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-25 00:00:27,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/data/0f49333c2/e4a99f221d2942048746eed8230f1c07/FLAG916be7ec1 [2023-11-25 00:00:27,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/data/0f49333c2/e4a99f221d2942048746eed8230f1c07 [2023-11-25 00:00:27,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:00:27,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:00:27,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:27,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:00:27,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:00:27,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:27,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32bc81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27, skipping insertion in model container [2023-11-25 00:00:27,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:27,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:00:27,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:27,759 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:00:27,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:27,905 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:27,906 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:27,917 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:00:27,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27 WrapperNode [2023-11-25 00:00:27,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:27,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:27,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:00:27,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:00:27,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:27,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,035 INFO L138 Inliner]: procedures = 23, calls = 177, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 1086 [2023-11-25 00:00:28,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:28,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:00:28,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:00:28,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:00:28,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:00:28,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:00:28,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:00:28,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:00:28,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (1/1) ... [2023-11-25 00:00:28,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:28,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:28,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:00:28,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55f365f-741e-4203-932c-0628565bdf47/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-25 00:00:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-25 00:00:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-25 00:00:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-25 00:00:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-25 00:00:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-25 00:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-25 00:00:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-25 00:00:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:00:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:00:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:00:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-25 00:00:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-25 00:00:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:00:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:00:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:00:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:00:28,327 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 00:00:28,619 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:00:28,622 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:00:30,302 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:00:31,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:00:31,292 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:00:31,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:31 BoogieIcfgContainer [2023-11-25 00:00:31,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:00:31,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:00:31,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:00:31,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:00:31,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:27" (1/3) ... [2023-11-25 00:00:31,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ba58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:31, skipping insertion in model container [2023-11-25 00:00:31,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:27" (2/3) ... [2023-11-25 00:00:31,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ba58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:31, skipping insertion in model container [2023-11-25 00:00:31,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:31" (3/3) ... [2023-11-25 00:00:31,310 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-4.wvr.c [2023-11-25 00:00:31,323 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:00:31,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:00:31,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 195 error locations. [2023-11-25 00:00:31,339 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-25 00:00:31,562 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-25 00:00:31,622 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 547 places, 545 transitions, 1118 flow