./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/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_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/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_20e32b95-2cfc-4819-8255-ac65caae744d/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 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:40,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:40,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:32:40,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:40,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:40,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:40,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:40,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:40,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:40,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:40,889 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:40,890 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:40,890 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:40,891 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:40,892 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:40,892 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:40,893 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:40,894 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:40,894 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:40,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:40,895 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:40,903 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:40,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:40,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:40,905 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:40,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:40,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:40,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:40,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:40,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:40,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:40,909 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:32:40,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:32:40,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:40,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:40,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:40,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:40,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:40,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:40,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:40,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:40,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:40,913 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:40,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:40,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:40,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:40,915 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:40,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:40,915 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_20e32b95-2cfc-4819-8255-ac65caae744d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 [2023-11-23 21:32:41,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:41,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:41,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:41,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:41,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:41,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-23 21:32:44,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:44,557 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:44,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-23 21:32:44,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/data/65a14246c/6820930174c94e36ac475667cd0922c7/FLAG3a6b8e5b9 [2023-11-23 21:32:44,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/data/65a14246c/6820930174c94e36ac475667cd0922c7 [2023-11-23 21:32:44,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:44,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:44,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:44,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:44,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:44,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b6ebad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44, skipping insertion in model container [2023-11-23 21:32:44,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:44,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:44,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:44,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:44,891 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:44,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44 WrapperNode [2023-11-23 21:32:44,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:44,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:44,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:44,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:44,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,953 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2023-11-23 21:32:44,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:44,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:44,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:44,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:44,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:44,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:45,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:45,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:45,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:45,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:45,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:45,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:45,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:45,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:45,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (1/1) ... [2023-11-23 21:32:45,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:45,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:45,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:45,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e32b95-2cfc-4819-8255-ac65caae744d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 21:32:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 21:32:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 21:32:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 21:32:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 21:32:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 21:32:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 21:32:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 21:32:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:45,105 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 21:32:45,244 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:45,248 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:45,861 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:45,883 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:45,883 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:32:45,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:45 BoogieIcfgContainer [2023-11-23 21:32:45,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:45,888 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:45,888 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:45,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:45,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:44" (1/3) ... [2023-11-23 21:32:45,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794b3588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:45, skipping insertion in model container [2023-11-23 21:32:45,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:44" (2/3) ... [2023-11-23 21:32:45,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794b3588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:45, skipping insertion in model container [2023-11-23 21:32:45,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:45" (3/3) ... [2023-11-23 21:32:45,895 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2023-11-23 21:32:45,905 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:32:45,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:45,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-23 21:32:45,917 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:32:46,054 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-23 21:32:46,116 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 442 places, 443 transitions, 914 flow