./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:22:17,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:22:17,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:22:17,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:22:17,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:22:17,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:22:17,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:22:17,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:22:17,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:22:17,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:22:17,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:22:17,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:22:17,349 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:22:17,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:22:17,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:22:17,351 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:22:17,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:22:17,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:22:17,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:22:17,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:22:17,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:22:17,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:22:17,355 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:22:17,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:22:17,357 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:22:17,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:22:17,358 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:22:17,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:22:17,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:22:17,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:22:17,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:17,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:22:17,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:22:17,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:22:17,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:22:17,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:22:17,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:22:17,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:22:17,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:22:17,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:22:17,365 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:22:17,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-12 02:22:17,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:22:17,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:22:17,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:22:17,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:22:17,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:22:17,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:22:21,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:22:21,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:22:21,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:22:21,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/data/d0d75de28/b31d22c6cbc7456da9adb31ce55381b3/FLAG189b8a0ee [2023-11-12 02:22:21,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/data/d0d75de28/b31d22c6cbc7456da9adb31ce55381b3 [2023-11-12 02:22:21,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:22:21,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:22:21,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:21,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:22:21,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:22:21,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:21" (1/1) ... [2023-11-12 02:22:21,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422d351c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:21, skipping insertion in model container [2023-11-12 02:22:21,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:21" (1/1) ... [2023-11-12 02:22:21,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:22:22,338 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,340 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,343 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,346 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:22,430 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:22:22,501 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,501 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,502 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,503 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:22:22,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:22,617 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:22:22,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22 WrapperNode [2023-11-12 02:22:22,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:22,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:22,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:22:22,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:22:22,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,703 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 302 [2023-11-12 02:22:22,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:22,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:22:22,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:22:22,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:22:22,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:22:22,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:22:22,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:22:22,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:22:22,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (1/1) ... [2023-11-12 02:22:22,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:22,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:22,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:22,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e3c70b-3841-4792-9455-fe3c313cc833/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:22:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:22:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:22:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:22:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:22:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:22:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:22:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:22:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:22:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:22:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:22:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:22:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:22:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:22:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:22:22,904 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:22:23,108 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:22:23,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:22:23,735 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:22:23,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:22:23,753 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 02:22:23,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:23 BoogieIcfgContainer [2023-11-12 02:22:23,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:22:23,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:22:23,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:22:23,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:22:23,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:22:21" (1/3) ... [2023-11-12 02:22:23,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388f7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:23, skipping insertion in model container [2023-11-12 02:22:23,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:22" (2/3) ... [2023-11-12 02:22:23,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388f7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:23, skipping insertion in model container [2023-11-12 02:22:23,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:23" (3/3) ... [2023-11-12 02:22:23,773 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:22:23,783 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:22:23,792 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:22:23,793 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-12 02:22:23,793 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:22:23,969 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:22:24,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 334 transitions, 675 flow [2023-11-12 02:22:24,224 INFO L124 PetriNetUnfolderBase]: 27/359 cut-off events. [2023-11-12 02:22:24,224 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:22:24,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 359 events. 27/359 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 917 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 181. Up to 4 conditions per place. [2023-11-12 02:22:24,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 334 transitions, 675 flow [2023-11-12 02:22:24,260 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 334 transitions, 675 flow [2023-11-12 02:22:24,265 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:22:24,282 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 334 transitions, 675 flow [2023-11-12 02:22:24,287 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 334 transitions, 675 flow [2023-11-12 02:22:24,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 334 transitions, 675 flow [2023-11-12 02:22:24,377 INFO L124 PetriNetUnfolderBase]: 27/359 cut-off events. [2023-11-12 02:22:24,377 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:22:24,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 359 events. 27/359 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 917 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 181. Up to 4 conditions per place. [2023-11-12 02:22:24,392 INFO L119 LiptonReduction]: Number of co-enabled transitions 8742 [2023-11-12 02:23:03,074 WARN L293 SmtUtils]: Spent 16.66s on a formula simplification. DAG size of input: 117 DAG size of output: 113 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:23:25,718 WARN L293 SmtUtils]: Spent 19.19s on a formula simplification. DAG size of input: 117 DAG size of output: 113 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)