./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_2-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/reorder_2-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu --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 b8118921f4e94a266cc060fbf2fdaa97ed8f96343f174115bf05a8f09a1b77a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:33,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:33,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:54:33,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:33,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:33,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:33,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:33,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:33,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:33,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:33,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:33,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:33,998 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:34,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:34,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:34,002 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:34,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:34,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:34,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:34,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:34,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:34,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:34,005 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:54:34,005 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:54:34,006 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:34,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:34,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:34,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:34,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:34,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:34,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:34,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:34,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:34,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:34,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:34,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:34,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:34,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:34,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:34,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:34,012 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:34,012 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_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8118921f4e94a266cc060fbf2fdaa97ed8f96343f174115bf05a8f09a1b77a8 [2023-11-19 07:54:34,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:34,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:34,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:34,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:34,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:34,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread/reorder_2-race.i [2023-11-19 07:54:37,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:38,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:38,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/sv-benchmarks/c/pthread/reorder_2-race.i [2023-11-19 07:54:38,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/data/fd3d83a64/13742329eb1d46f29058129ee080adb8/FLAGceccd947e [2023-11-19 07:54:38,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/data/fd3d83a64/13742329eb1d46f29058129ee080adb8 [2023-11-19 07:54:38,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:38,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:38,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:38,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:38,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:38,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:38" (1/1) ... [2023-11-19 07:54:38,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afcc4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:38, skipping insertion in model container [2023-11-19 07:54:38,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:38" (1/1) ... [2023-11-19 07:54:38,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:39,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:39,256 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:39,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:39,433 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:39,442 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:39,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39 WrapperNode [2023-11-19 07:54:39,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:39,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:39,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:39,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:39,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,554 INFO L138 Inliner]: procedures = 372, calls = 47, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 287 [2023-11-19 07:54:39,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:39,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:39,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:39,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:39,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:39,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:39,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:39,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:39,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (1/1) ... [2023-11-19 07:54:39,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:39,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:39,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde5da2e-46a1-4ab3-9146-f0b887a4702a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-19 07:54:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:54:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:54:39,752 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2023-11-19 07:54:39,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2023-11-19 07:54:39,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:54:39,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:39,754 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2023-11-19 07:54:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2023-11-19 07:54:39,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:39,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:39,759 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:54:39,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:39,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:40,614 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:40,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:40,629 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:54:40,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:40 BoogieIcfgContainer [2023-11-19 07:54:40,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:40,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:40,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:40,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:40,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:38" (1/3) ... [2023-11-19 07:54:40,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c37c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:40, skipping insertion in model container [2023-11-19 07:54:40,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:39" (2/3) ... [2023-11-19 07:54:40,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c37c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:40, skipping insertion in model container [2023-11-19 07:54:40,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:40" (3/3) ... [2023-11-19 07:54:40,648 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-race.i [2023-11-19 07:54:40,659 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:54:40,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:40,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-19 07:54:40,673 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:54:40,855 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 07:54:40,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 339 transitions, 698 flow [2023-11-19 07:54:41,275 INFO L124 PetriNetUnfolderBase]: 45/678 cut-off events. [2023-11-19 07:54:41,275 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:54:41,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 678 events. 45/678 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2976 event pairs, 0 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 371. Up to 8 conditions per place. [2023-11-19 07:54:41,297 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 339 transitions, 698 flow [2023-11-19 07:54:41,318 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 323 places, 339 transitions, 698 flow [2023-11-19 07:54:41,324 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:54:41,347 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 339 transitions, 698 flow [2023-11-19 07:54:41,352 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 339 transitions, 698 flow [2023-11-19 07:54:41,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 339 transitions, 698 flow [2023-11-19 07:54:41,492 INFO L124 PetriNetUnfolderBase]: 45/678 cut-off events. [2023-11-19 07:54:41,492 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:54:41,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 678 events. 45/678 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2976 event pairs, 0 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 371. Up to 8 conditions per place. [2023-11-19 07:54:41,519 INFO L119 LiptonReduction]: Number of co-enabled transitions 16854 [2023-11-19 07:55:15,155 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:55:21,724 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:55:30,523 WARN L293 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:55:37,129 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)