./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ --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 a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:47,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:47,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:16:47,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:47,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:47,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:47,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:47,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:47,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:47,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:47,353 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:47,354 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:47,354 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:47,355 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:47,356 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:47,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:47,357 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:47,357 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:47,358 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:47,358 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:47,359 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:47,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:47,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:47,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:47,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:47,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:47,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:47,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:47,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:47,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:47,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:47,369 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:16:47,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:16:47,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:47,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:47,370 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:47,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:47,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:47,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:47,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:47,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:47,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:47,372 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:47,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:47,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:47,373 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:47,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:47,374 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_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed [2023-11-19 05:16:47,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:47,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:47,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:47,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:47,684 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:47,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2023-11-19 05:16:50,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:50,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:50,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2023-11-19 05:16:50,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/data/58cf17405/5a6e095493674c78b75131374b42d6d7/FLAG6f54a465b [2023-11-19 05:16:50,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/data/58cf17405/5a6e095493674c78b75131374b42d6d7 [2023-11-19 05:16:50,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:50,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:50,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:50,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:50,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:50,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:50" (1/1) ... [2023-11-19 05:16:50,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce2dbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:50" (1/1) ... [2023-11-19 05:16:51,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:51,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:51,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:51,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:51,362 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:51,362 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:51,370 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:51,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51 WrapperNode [2023-11-19 05:16:51,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:51,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:51,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:51,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:51,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,448 INFO L138 Inliner]: procedures = 22, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2023-11-19 05:16:51,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:51,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:51,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:51,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:51,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:51,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:51,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:51,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:51,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (1/1) ... [2023-11-19 05:16:51,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:51,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:51,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:16:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:16:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:16:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:16:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 05:16:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 05:16:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:16:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:16:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 05:16:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 05:16:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:16:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:16:51,606 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:16:51,726 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:51,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:52,080 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:52,196 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:52,205 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:16:52,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:52 BoogieIcfgContainer [2023-11-19 05:16:52,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:52,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:52,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:52,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:52,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:50" (1/3) ... [2023-11-19 05:16:52,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bca0b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:52, skipping insertion in model container [2023-11-19 05:16:52,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:51" (2/3) ... [2023-11-19 05:16:52,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bca0b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:52, skipping insertion in model container [2023-11-19 05:16:52,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:52" (3/3) ... [2023-11-19 05:16:52,226 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-11-19 05:16:52,236 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:16:52,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:52,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-19 05:16:52,248 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:16:52,341 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 05:16:52,382 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:16:52,406 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 179 transitions, 379 flow [2023-11-19 05:16:52,409 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 179 transitions, 379 flow [2023-11-19 05:16:52,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 179 transitions, 379 flow [2023-11-19 05:16:52,484 INFO L124 PetriNetUnfolderBase]: 2/176 cut-off events. [2023-11-19 05:16:52,485 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 05:16:52,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 176 events. 2/176 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 122 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-11-19 05:16:52,493 INFO L119 LiptonReduction]: Number of co-enabled transitions 3654 [2023-11-19 05:16:57,657 INFO L134 LiptonReduction]: Checked pairs total: 4196 [2023-11-19 05:16:57,657 INFO L136 LiptonReduction]: Total number of compositions: 209 [2023-11-19 05:16:57,666 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 41 transitions, 103 flow [2023-11-19 05:16:57,739 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 680 states, 476 states have (on average 4.098739495798319) internal successors, (1951), 679 states have internal predecessors, (1951), 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) [2023-11-19 05:16:57,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:57,777 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;@7ae3ad0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:57,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-19 05:16:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 680 states, 476 states have (on average 4.098739495798319) internal successors, (1951), 679 states have internal predecessors, (1951), 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) [2023-11-19 05:16:57,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 05:16:57,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:57,790 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 05:16:57,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-19 05:16:57,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:57,798 INFO L85 PathProgramCache]: Analyzing trace with hash 687, now seen corresponding path program 1 times [2023-11-19 05:16:57,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:57,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896685931] [2023-11-19 05:16:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:57,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:16:57,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:57,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896685931] [2023-11-19 05:16:57,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896685931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:57,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:57,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 05:16:57,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918628802] [2023-11-19 05:16:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:57,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:16:57,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:57,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:16:57,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:16:57,952 INFO L87 Difference]: Start difference. First operand has 680 states, 476 states have (on average 4.098739495798319) internal successors, (1951), 679 states have internal predecessors, (1951), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:16:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:58,014 INFO L93 Difference]: Finished difference Result 43 states and 79 transitions. [2023-11-19 05:16:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:16:58,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2023-11-19 05:16:58,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:58,023 INFO L225 Difference]: With dead ends: 43 [2023-11-19 05:16:58,023 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:16:58,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:16:58,032 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:58,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:16:58,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:16:58,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:16:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-19 05:16:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:16:58,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2023-11-19 05:16:58,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:58,059 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:16:58,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:16:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:16:58,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:16:58,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2023-11-19 05:16:58,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-11-19 05:16:58,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-11-19 05:16:58,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-11-19 05:16:58,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-11-19 05:16:58,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-11-19 05:16:58,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-11-19 05:16:58,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-11-19 05:16:58,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-11-19 05:16:58,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-11-19 05:16:58,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-11-19 05:16:58,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-11-19 05:16:58,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-11-19 05:16:58,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-11-19 05:16:58,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-11-19 05:16:58,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-11-19 05:16:58,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-11-19 05:16:58,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-11-19 05:16:58,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-11-19 05:16:58,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-11-19 05:16:58,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-11-19 05:16:58,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-11-19 05:16:58,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2023-11-19 05:16:58,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2023-11-19 05:16:58,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 37 remaining) [2023-11-19 05:16:58,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-11-19 05:16:58,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-11-19 05:16:58,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-11-19 05:16:58,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-11-19 05:16:58,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-11-19 05:16:58,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-11-19 05:16:58,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-11-19 05:16:58,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-11-19 05:16:58,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-11-19 05:16:58,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-11-19 05:16:58,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-11-19 05:16:58,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-11-19 05:16:58,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:16:58,091 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:16:58,097 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 05:16:58,097 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:58,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:58 BasicIcfg [2023-11-19 05:16:58,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:58,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:58,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:58,104 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:58,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:52" (3/4) ... [2023-11-19 05:16:58,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:16:58,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 05:16:58,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 05:16:58,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 05:16:58,122 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 05:16:58,123 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:16:58,124 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:16:58,125 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:16:58,241 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:16:58,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:16:58,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:58,248 INFO L158 Benchmark]: Toolchain (without parser) took 7273.25ms. Allocated memory was 138.4MB in the beginning and 216.0MB in the end (delta: 77.6MB). Free memory was 71.2MB in the beginning and 148.8MB in the end (delta: -77.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,248 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:58,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.15ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 71.0MB in the beginning and 136.9MB in the end (delta: -65.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.54ms. Allocated memory is still 169.9MB. Free memory was 136.9MB in the beginning and 135.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,249 INFO L158 Benchmark]: Boogie Preprocessor took 62.74ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 133.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,250 INFO L158 Benchmark]: RCFGBuilder took 699.15ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 136.7MB in the end (delta: -3.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,250 INFO L158 Benchmark]: TraceAbstraction took 5888.56ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 136.7MB in the beginning and 154.1MB in the end (delta: -17.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,251 INFO L158 Benchmark]: Witness Printer took 143.70ms. Allocated memory is still 216.0MB. Free memory was 154.1MB in the beginning and 148.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:16:58,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.15ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 71.0MB in the beginning and 136.9MB in the end (delta: -65.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.54ms. Allocated memory is still 169.9MB. Free memory was 136.9MB in the beginning and 135.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.74ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 133.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.15ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 136.7MB in the end (delta: -3.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5888.56ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 136.7MB in the beginning and 154.1MB in the end (delta: -17.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 143.70ms. Allocated memory is still 216.0MB. Free memory was 154.1MB in the beginning and 148.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 187 PlacesBefore, 51 PlacesAfterwards, 179 TransitionsBefore, 41 TransitionsAfterwards, 3654 CoEnabledTransitionPairs, 8 FixpointIterations, 99 TrivialSequentialCompositions, 98 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 209 TotalNumberOfCompositions, 4196 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4196, independent: 4196, independent conditional: 0, independent unconditional: 4196, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2273, independent: 2273, independent conditional: 0, independent unconditional: 2273, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2273, independent: 2265, independent conditional: 0, independent unconditional: 2265, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4196, independent: 1923, independent conditional: 0, independent unconditional: 1923, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2273, unknown conditional: 0, unknown unconditional: 2273] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 235 locations, 37 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=680occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 05:16:58,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce62e8d-cca0-4aab-afaa-2d226634d5c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE