./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire --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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:09,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:09,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:31:09,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:09,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:09,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:09,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:09,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:09,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:09,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:09,963 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:09,964 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:09,965 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:09,966 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:09,966 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:09,967 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:09,967 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:09,968 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:09,969 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:09,969 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:09,970 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:09,970 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:09,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:09,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:09,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:09,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:09,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:09,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:09,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:09,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:09,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:09,976 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:31:09,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:31:09,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:09,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:09,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:09,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:09,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:09,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:09,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:09,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:09,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:09,980 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:09,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:09,981 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:09,981 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:09,981 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:09,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:09,982 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_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2023-11-23 21:31:10,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:10,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:10,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:10,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:10,346 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:10,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-23 21:31:14,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:14,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:14,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-23 21:31:14,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/data/a0473016e/159f9f6a5b034ed6aa90712784c83e31/FLAG4de859ee6 [2023-11-23 21:31:14,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/data/a0473016e/159f9f6a5b034ed6aa90712784c83e31 [2023-11-23 21:31:14,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:14,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:14,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:14,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:14,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:14,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:14" (1/1) ... [2023-11-23 21:31:14,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5278627e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:14, skipping insertion in model container [2023-11-23 21:31:14,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:14" (1/1) ... [2023-11-23 21:31:14,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:14,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:14,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:14,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:14,994 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:14,995 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:15,005 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:15,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15 WrapperNode [2023-11-23 21:31:15,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:15,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:15,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:15,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:15,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,110 INFO L138 Inliner]: procedures = 25, calls = 47, calls flagged for inlining = 14, calls inlined = 20, statements flattened = 387 [2023-11-23 21:31:15,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:15,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:15,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:15,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:15,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:15,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:15,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:15,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:15,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (1/1) ... [2023-11-23 21:31:15,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:15,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:15,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1eda00a-b9b0-4f19-9b5b-4518e7615cfc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:31:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:31:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:31:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 21:31:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 21:31:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 21:31:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 21:31:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 21:31:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 21:31:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 21:31:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 21:31:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:31:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:31:15,349 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:31:15,575 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:15,578 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:16,511 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:16,937 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:16,937 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:31:16,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:16 BoogieIcfgContainer [2023-11-23 21:31:16,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:16,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:16,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:16,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:16,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:14" (1/3) ... [2023-11-23 21:31:16,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522746e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:16, skipping insertion in model container [2023-11-23 21:31:16,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:15" (2/3) ... [2023-11-23 21:31:16,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522746e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:16, skipping insertion in model container [2023-11-23 21:31:16,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:16" (3/3) ... [2023-11-23 21:31:16,955 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2023-11-23 21:31:16,966 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:31:16,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:16,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2023-11-23 21:31:16,980 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:31:17,177 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-23 21:31:17,247 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 390 places, 400 transitions, 821 flow