./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.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_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX --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 a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:45,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:45,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 00:12:45,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:45,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:45,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:45,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:45,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:45,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:45,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:45,539 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:45,540 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:45,540 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:45,541 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:12:45,541 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:45,542 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:45,543 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:12:45,543 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:12:45,544 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:45,544 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:12:45,545 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:12:45,546 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:12:45,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:45,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:45,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:12:45,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:12:45,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:12:45,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:45,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:45,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:45,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:45,551 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 00:12:45,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:12:45,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:12:45,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:45,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:45,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:45,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:45,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:45,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:45,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:45,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:45,555 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:12:45,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:12:45,556 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:45,556 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:45,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:45,557 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_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 [2023-11-12 00:12:45,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:45,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:45,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:45,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:45,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:45,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2023-11-12 00:12:49,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:49,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:49,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2023-11-12 00:12:49,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/data/6990d5994/b3ca133be3834f72869bf4c5c146af47/FLAGede55cef1 [2023-11-12 00:12:49,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/data/6990d5994/b3ca133be3834f72869bf4c5c146af47 [2023-11-12 00:12:49,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:49,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:49,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:49,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:49,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:49,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:49" (1/1) ... [2023-11-12 00:12:49,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bc6cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:49, skipping insertion in model container [2023-11-12 00:12:49,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:49" (1/1) ... [2023-11-12 00:12:49,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:50,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:50,110 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:50,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:50,211 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:50,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50 WrapperNode [2023-11-12 00:12:50,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:50,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:50,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:50,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:50,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,286 INFO L138 Inliner]: procedures = 172, calls = 26, calls flagged for inlining = 14, calls inlined = 20, statements flattened = 225 [2023-11-12 00:12:50,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:50,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:50,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:50,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:50,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:50,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:50,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:50,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:50,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (1/1) ... [2023-11-12 00:12:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:50,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:50,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:50,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa1fc9-cc36-439c-b2f2-4a55dbda08e9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 00:12:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 00:12:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2023-11-12 00:12:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2023-11-12 00:12:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:12:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:12:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:12:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:12:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:12:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:12:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:50,442 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:12:50,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:50,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:50,935 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:51,092 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:51,093 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:12:51,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:51 BoogieIcfgContainer [2023-11-12 00:12:51,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:51,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:51,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:51,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:51,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:49" (1/3) ... [2023-11-12 00:12:51,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155c703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:51, skipping insertion in model container [2023-11-12 00:12:51,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:50" (2/3) ... [2023-11-12 00:12:51,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155c703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:51, skipping insertion in model container [2023-11-12 00:12:51,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:51" (3/3) ... [2023-11-12 00:12:51,105 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2023-11-12 00:12:51,115 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:12:51,126 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:51,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-12 00:12:51,127 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:12:51,204 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 00:12:51,247 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:12:51,262 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 168 transitions, 348 flow [2023-11-12 00:12:51,266 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 168 transitions, 348 flow [2023-11-12 00:12:51,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 167 places, 168 transitions, 348 flow [2023-11-12 00:12:51,374 INFO L124 PetriNetUnfolderBase]: 11/177 cut-off events. [2023-11-12 00:12:51,374 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 00:12:51,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 177 events. 11/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 461 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 163. Up to 4 conditions per place. [2023-11-12 00:12:51,392 INFO L119 LiptonReduction]: Number of co-enabled transitions 13274 [2023-11-12 00:12:54,117 INFO L134 LiptonReduction]: Checked pairs total: 54498 [2023-11-12 00:12:54,118 INFO L136 LiptonReduction]: Total number of compositions: 133 [2023-11-12 00:12:54,139 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 84 transitions, 180 flow [2023-11-12 00:12:57,098 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 53903 states, 52057 states have (on average 3.9576810035153773) internal successors, (206025), 53902 states have internal predecessors, (206025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:12:57,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:57,262 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@157eab22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:57,262 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2023-11-12 00:12:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 53903 states, 52057 states have (on average 3.9576810035153773) internal successors, (206025), 53902 states have internal predecessors, (206025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:12:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:12:57,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:57,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-12 00:12:57,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-12 00:12:57,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash 961482, now seen corresponding path program 1 times [2023-11-12 00:12:57,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:57,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995783710] [2023-11-12 00:12:57,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:12:57,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:12:57,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995783710] [2023-11-12 00:12:57,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995783710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:12:57,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:12:57,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:12:57,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823471338] [2023-11-12 00:12:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:12:57,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:12:57,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:12:57,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:12:57,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:12:57,706 INFO L87 Difference]: Start difference. First operand has 53903 states, 52057 states have (on average 3.9576810035153773) internal successors, (206025), 53902 states have internal predecessors, (206025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:12:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:58,329 INFO L93 Difference]: Finished difference Result 17282 states and 63860 transitions. [2023-11-12 00:12:58,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:12:58,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-12 00:12:58,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:58,588 INFO L225 Difference]: With dead ends: 17282 [2023-11-12 00:12:58,589 INFO L226 Difference]: Without dead ends: 17282 [2023-11-12 00:12:58,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:12:58,597 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:12:58,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:12:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17282 states. [2023-11-12 00:12:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17282 to 17282. [2023-11-12 00:12:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17282 states, 17226 states have (on average 3.7071868106350867) internal successors, (63860), 17281 states have internal predecessors, (63860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17282 states to 17282 states and 63860 transitions. [2023-11-12 00:13:00,321 INFO L78 Accepts]: Start accepts. Automaton has 17282 states and 63860 transitions. Word has length 3 [2023-11-12 00:13:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:00,322 INFO L495 AbstractCegarLoop]: Abstraction has 17282 states and 63860 transitions. [2023-11-12 00:13:00,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 17282 states and 63860 transitions. [2023-11-12 00:13:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:13:00,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:00,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:13:00,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:13:00,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-12 00:13:00,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:00,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1420407820, now seen corresponding path program 1 times [2023-11-12 00:13:00,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:00,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082528072] [2023-11-12 00:13:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:00,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:13:00,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:13:00,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082528072] [2023-11-12 00:13:00,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082528072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:13:00,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:13:00,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:13:00,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136705136] [2023-11-12 00:13:00,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:13:00,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:13:00,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:13:00,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:13:00,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:13:00,627 INFO L87 Difference]: Start difference. First operand 17282 states and 63860 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:01,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:01,063 INFO L93 Difference]: Finished difference Result 19535 states and 72342 transitions. [2023-11-12 00:13:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:13:01,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-12 00:13:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:01,195 INFO L225 Difference]: With dead ends: 19535 [2023-11-12 00:13:01,196 INFO L226 Difference]: Without dead ends: 19535 [2023-11-12 00:13:01,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:13:01,197 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 43 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:01,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 60 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:13:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19535 states. [2023-11-12 00:13:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19535 to 18400. [2023-11-12 00:13:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18400 states, 18344 states have (on average 3.710750109027475) internal successors, (68070), 18399 states have internal predecessors, (68070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18400 states to 18400 states and 68070 transitions. [2023-11-12 00:13:02,511 INFO L78 Accepts]: Start accepts. Automaton has 18400 states and 68070 transitions. Word has length 6 [2023-11-12 00:13:02,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:02,512 INFO L495 AbstractCegarLoop]: Abstraction has 18400 states and 68070 transitions. [2023-11-12 00:13:02,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 18400 states and 68070 transitions. [2023-11-12 00:13:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:13:02,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:02,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:13:02,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:13:02,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-12 00:13:02,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1512750318, now seen corresponding path program 1 times [2023-11-12 00:13:02,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:02,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778847462] [2023-11-12 00:13:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:13:02,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:13:02,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778847462] [2023-11-12 00:13:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778847462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:13:02,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:13:02,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:13:02,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566660057] [2023-11-12 00:13:02,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:13:02,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:13:02,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:13:02,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:13:02,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:13:02,618 INFO L87 Difference]: Start difference. First operand 18400 states and 68070 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:03,127 INFO L93 Difference]: Finished difference Result 31968 states and 117068 transitions. [2023-11-12 00:13:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:13:03,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-12 00:13:03,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:03,568 INFO L225 Difference]: With dead ends: 31968 [2023-11-12 00:13:03,568 INFO L226 Difference]: Without dead ends: 31968 [2023-11-12 00:13:03,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:13:03,570 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 51 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:03,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 56 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:13:03,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31968 states. [2023-11-12 00:13:04,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31968 to 20115. [2023-11-12 00:13:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20115 states, 20060 states have (on average 3.693469591226321) internal successors, (74091), 20114 states have internal predecessors, (74091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20115 states to 20115 states and 74091 transitions. [2023-11-12 00:13:04,687 INFO L78 Accepts]: Start accepts. Automaton has 20115 states and 74091 transitions. Word has length 8 [2023-11-12 00:13:04,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:04,688 INFO L495 AbstractCegarLoop]: Abstraction has 20115 states and 74091 transitions. [2023-11-12 00:13:04,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 20115 states and 74091 transitions. [2023-11-12 00:13:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:13:04,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:04,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:13:04,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:13:04,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-12 00:13:04,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1350700838, now seen corresponding path program 1 times [2023-11-12 00:13:04,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:04,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477239162] [2023-11-12 00:13:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:13:04,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:13:04,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477239162] [2023-11-12 00:13:04,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477239162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:13:04,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:13:04,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:13:04,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156992649] [2023-11-12 00:13:04,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:13:04,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:13:04,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:13:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:13:04,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:13:04,808 INFO L87 Difference]: Start difference. First operand 20115 states and 74091 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:05,336 INFO L93 Difference]: Finished difference Result 21220 states and 78215 transitions. [2023-11-12 00:13:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:13:05,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-12 00:13:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:05,458 INFO L225 Difference]: With dead ends: 21220 [2023-11-12 00:13:05,459 INFO L226 Difference]: Without dead ends: 21220 [2023-11-12 00:13:05,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:13:05,460 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 43 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:05,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 61 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:13:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21220 states. [2023-11-12 00:13:06,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21220 to 21220. [2023-11-12 00:13:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21220 states, 21166 states have (on average 3.6953132382122273) internal successors, (78215), 21219 states have internal predecessors, (78215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21220 states to 21220 states and 78215 transitions. [2023-11-12 00:13:06,412 INFO L78 Accepts]: Start accepts. Automaton has 21220 states and 78215 transitions. Word has length 9 [2023-11-12 00:13:06,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:06,412 INFO L495 AbstractCegarLoop]: Abstraction has 21220 states and 78215 transitions. [2023-11-12 00:13:06,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:13:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 21220 states and 78215 transitions. [2023-11-12 00:13:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:13:06,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:06,415 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:13:06,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:13:06,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-12 00:13:06,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:06,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1764740970, now seen corresponding path program 1 times [2023-11-12 00:13:06,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:06,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277035805] [2023-11-12 00:13:06,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:06,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:06,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:13:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:06,496 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:13:06,497 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:13:06,498 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2023-11-12 00:13:06,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2023-11-12 00:13:06,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2023-11-12 00:13:06,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2023-11-12 00:13:06,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2023-11-12 00:13:06,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2023-11-12 00:13:06,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2023-11-12 00:13:06,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2023-11-12 00:13:06,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2023-11-12 00:13:06,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2023-11-12 00:13:06,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2023-11-12 00:13:06,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2023-11-12 00:13:06,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2023-11-12 00:13:06,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2023-11-12 00:13:06,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2023-11-12 00:13:06,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2023-11-12 00:13:06,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2023-11-12 00:13:06,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2023-11-12 00:13:06,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2023-11-12 00:13:06,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2023-11-12 00:13:06,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2023-11-12 00:13:06,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2023-11-12 00:13:06,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2023-11-12 00:13:06,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2023-11-12 00:13:06,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2023-11-12 00:13:06,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2023-11-12 00:13:06,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2023-11-12 00:13:06,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2023-11-12 00:13:06,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2023-11-12 00:13:06,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 59 remaining) [2023-11-12 00:13:06,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 59 remaining) [2023-11-12 00:13:06,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2023-11-12 00:13:06,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2023-11-12 00:13:06,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2023-11-12 00:13:06,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2023-11-12 00:13:06,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2023-11-12 00:13:06,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2023-11-12 00:13:06,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2023-11-12 00:13:06,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2023-11-12 00:13:06,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2023-11-12 00:13:06,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2023-11-12 00:13:06,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2023-11-12 00:13:06,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2023-11-12 00:13:06,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2023-11-12 00:13:06,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2023-11-12 00:13:06,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2023-11-12 00:13:06,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2023-11-12 00:13:06,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2023-11-12 00:13:06,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2023-11-12 00:13:06,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2023-11-12 00:13:06,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2023-11-12 00:13:06,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2023-11-12 00:13:06,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2023-11-12 00:13:06,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2023-11-12 00:13:06,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2023-11-12 00:13:06,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2023-11-12 00:13:06,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2023-11-12 00:13:06,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2023-11-12 00:13:06,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2023-11-12 00:13:06,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:13:06,528 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 00:13:06,531 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-12 00:13:06,532 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-12 00:13:06,597 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 00:13:06,603 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:13:06,604 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 296 transitions, 622 flow [2023-11-12 00:13:06,604 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 296 transitions, 622 flow [2023-11-12 00:13:06,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 296 transitions, 622 flow [2023-11-12 00:13:06,684 INFO L124 PetriNetUnfolderBase]: 17/262 cut-off events. [2023-11-12 00:13:06,684 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 00:13:06,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 262 events. 17/262 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 900 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 271. Up to 6 conditions per place. [2023-11-12 00:13:06,724 INFO L119 LiptonReduction]: Number of co-enabled transitions 33262 [2023-11-12 00:13:11,349 INFO L134 LiptonReduction]: Checked pairs total: 205266 [2023-11-12 00:13:11,349 INFO L136 LiptonReduction]: Total number of compositions: 234 [2023-11-12 00:13:11,350 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 159 places, 151 transitions, 332 flow