./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:51,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:51,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:49:51,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:51,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:51,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:51,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:51,380 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:51,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:51,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:51,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:51,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:51,389 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:51,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:51,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:51,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:51,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:51,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:51,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:51,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:51,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:51,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:51,395 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:49:51,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:51,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:51,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:51,396 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:51,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:51,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:51,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:51,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:51,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:51,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:51,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:51,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:51,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:51,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:51,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:51,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:51,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:51,402 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:51,403 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c [2023-11-19 07:49:51,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:51,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:51,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:51,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:51,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:51,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/mult-dist.wvr.c [2023-11-19 07:49:54,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:55,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:55,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/sv-benchmarks/c/weaver/mult-dist.wvr.c [2023-11-19 07:49:55,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/data/3dab3b60a/cd301335814040d88f0b20a414a42d03/FLAG33b9fa462 [2023-11-19 07:49:55,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/data/3dab3b60a/cd301335814040d88f0b20a414a42d03 [2023-11-19 07:49:55,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:55,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:55,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:55,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:55,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:55,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347fc784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55, skipping insertion in model container [2023-11-19 07:49:55,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:55,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:55,522 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:55,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:55,571 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:55,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55 WrapperNode [2023-11-19 07:49:55,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:55,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:55,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:55,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:55,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,620 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-19 07:49:55,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:55,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:55,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:55,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:55,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:55,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:55,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:55,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:55,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (1/1) ... [2023-11-19 07:49:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:55,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:55,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:55,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:49:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:49:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:49:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:49:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:49:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:49:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:49:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:49:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:55,758 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:49:55,873 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:55,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:56,320 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:56,335 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:56,335 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:49:56,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:56 BoogieIcfgContainer [2023-11-19 07:49:56,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:56,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:56,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:56,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:56,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:55" (1/3) ... [2023-11-19 07:49:56,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130420c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:56, skipping insertion in model container [2023-11-19 07:49:56,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:55" (2/3) ... [2023-11-19 07:49:56,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130420c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:56, skipping insertion in model container [2023-11-19 07:49:56,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:56" (3/3) ... [2023-11-19 07:49:56,367 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2023-11-19 07:49:56,377 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:49:56,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:56,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-19 07:49:56,389 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:49:56,506 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:49:56,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 201 transitions, 423 flow [2023-11-19 07:49:56,662 INFO L124 PetriNetUnfolderBase]: 7/198 cut-off events. [2023-11-19 07:49:56,662 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:49:56,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 198 events. 7/198 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 299 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2023-11-19 07:49:56,670 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 201 transitions, 423 flow [2023-11-19 07:49:56,677 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 175 transitions, 368 flow [2023-11-19 07:49:56,685 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:49:56,695 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 175 transitions, 368 flow [2023-11-19 07:49:56,699 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 175 transitions, 368 flow [2023-11-19 07:49:56,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 175 transitions, 368 flow [2023-11-19 07:49:56,771 INFO L124 PetriNetUnfolderBase]: 6/175 cut-off events. [2023-11-19 07:49:56,771 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:49:56,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 175 events. 6/175 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 295 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2023-11-19 07:49:56,780 INFO L119 LiptonReduction]: Number of co-enabled transitions 8274 [2023-11-19 07:50:00,898 INFO L134 LiptonReduction]: Checked pairs total: 20964 [2023-11-19 07:50:00,898 INFO L136 LiptonReduction]: Total number of compositions: 165 [2023-11-19 07:50:00,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:00,921 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=PETRI_NET, 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;@321bc9e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:00,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-19 07:50:00,923 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:50:00,923 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:50:00,924 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:50:00,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:50:00,924 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:50:00,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-19 07:50:00,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:00,930 INFO L85 PathProgramCache]: Analyzing trace with hash 710, now seen corresponding path program 1 times [2023-11-19 07:50:00,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:00,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38779450] [2023-11-19 07:50:00,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:00,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:01,037 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 07:50:01,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:01,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38779450] [2023-11-19 07:50:01,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38779450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:01,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:01,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:50:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059315479] [2023-11-19 07:50:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:01,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:50:01,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:01,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:50:01,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:01,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 366 [2023-11-19 07:50:01,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 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 07:50:01,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:50:01,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 366 [2023-11-19 07:50:01,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:50:01,320 INFO L124 PetriNetUnfolderBase]: 563/1005 cut-off events. [2023-11-19 07:50:01,320 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-19 07:50:01,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1898 conditions, 1005 events. 563/1005 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5355 event pairs, 413 based on Foata normal form. 285/1061 useless extension candidates. Maximal degree in co-relation 1640. Up to 816 conditions per place. [2023-11-19 07:50:01,336 INFO L140 encePairwiseOnDemand]: 348/366 looper letters, 24 selfloop transitions, 0 changer transitions 1/39 dead transitions. [2023-11-19 07:50:01,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 146 flow [2023-11-19 07:50:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:50:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:50:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 423 transitions. [2023-11-19 07:50:01,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5778688524590164 [2023-11-19 07:50:01,360 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 423 transitions. [2023-11-19 07:50:01,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 423 transitions. [2023-11-19 07:50:01,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:01,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 423 transitions. [2023-11-19 07:50:01,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 211.5) internal successors, (423), 2 states have internal predecessors, (423), 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 07:50:01,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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 07:50:01,379 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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 07:50:01,381 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 132 flow. Second operand 2 states and 423 transitions. [2023-11-19 07:50:01,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 146 flow [2023-11-19 07:50:01,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 134 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-19 07:50:01,392 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 81 flow [2023-11-19 07:50:01,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=81, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-11-19 07:50:01,400 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-11-19 07:50:01,401 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 81 flow [2023-11-19 07:50:01,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 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 07:50:01,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:50:01,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:50:01,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:50:01,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-19 07:50:01,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:01,403 INFO L85 PathProgramCache]: Analyzing trace with hash 676211898, now seen corresponding path program 1 times [2023-11-19 07:50:01,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:01,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475205872] [2023-11-19 07:50:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:01,533 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 07:50:01,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:01,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475205872] [2023-11-19 07:50:01,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475205872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:01,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:01,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:01,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376056023] [2023-11-19 07:50:01,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:01,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:01,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:01,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:01,555 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 366 [2023-11-19 07:50:01,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 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 07:50:01,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:50:01,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 366 [2023-11-19 07:50:01,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:50:01,797 INFO L124 PetriNetUnfolderBase]: 1015/1692 cut-off events. [2023-11-19 07:50:01,797 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-19 07:50:01,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3189 conditions, 1692 events. 1015/1692 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9101 event pairs, 199 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 3186. Up to 1330 conditions per place. [2023-11-19 07:50:01,811 INFO L140 encePairwiseOnDemand]: 362/366 looper letters, 38 selfloop transitions, 2 changer transitions 0/49 dead transitions. [2023-11-19 07:50:01,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 185 flow [2023-11-19 07:50:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:50:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2023-11-19 07:50:01,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5382513661202186 [2023-11-19 07:50:01,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 591 transitions. [2023-11-19 07:50:01,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 591 transitions. [2023-11-19 07:50:01,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:01,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 591 transitions. [2023-11-19 07:50:01,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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 07:50:01,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 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 07:50:01,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 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 07:50:01,824 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 81 flow. Second operand 3 states and 591 transitions. [2023-11-19 07:50:01,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 49 transitions, 185 flow [2023-11-19 07:50:01,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 49 transitions, 185 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:50:01,827 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 91 flow [2023-11-19 07:50:01,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-11-19 07:50:01,828 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-11-19 07:50:01,828 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 91 flow [2023-11-19 07:50:01,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 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 07:50:01,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:50:01,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:01,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:50:01,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-19 07:50:01,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:01,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1362237445, now seen corresponding path program 1 times [2023-11-19 07:50:01,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:01,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739734571] [2023-11-19 07:50:01,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:01,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:01,885 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 07:50:01,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:01,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739734571] [2023-11-19 07:50:01,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739734571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:01,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:01,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:01,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962426535] [2023-11-19 07:50:01,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:01,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:01,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:01,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:01,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:01,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 366 [2023-11-19 07:50:01,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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 07:50:01,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:50:01,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 366 [2023-11-19 07:50:01,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:50:02,181 INFO L124 PetriNetUnfolderBase]: 1196/2045 cut-off events. [2023-11-19 07:50:02,181 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-19 07:50:02,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3857 conditions, 2045 events. 1196/2045 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11179 event pairs, 215 based on Foata normal form. 0/1729 useless extension candidates. Maximal degree in co-relation 3853. Up to 1453 conditions per place. [2023-11-19 07:50:02,200 INFO L140 encePairwiseOnDemand]: 362/366 looper letters, 38 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2023-11-19 07:50:02,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 50 transitions, 197 flow [2023-11-19 07:50:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:50:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2023-11-19 07:50:02,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5382513661202186 [2023-11-19 07:50:02,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 591 transitions. [2023-11-19 07:50:02,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 591 transitions. [2023-11-19 07:50:02,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:02,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 591 transitions. [2023-11-19 07:50:02,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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 07:50:02,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 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 07:50:02,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 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 07:50:02,212 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 91 flow. Second operand 3 states and 591 transitions. [2023-11-19 07:50:02,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 50 transitions, 197 flow [2023-11-19 07:50:02,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 50 transitions, 197 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:50:02,216 INFO L231 Difference]: Finished difference. Result has 42 places, 38 transitions, 101 flow [2023-11-19 07:50:02,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=42, PETRI_TRANSITIONS=38} [2023-11-19 07:50:02,218 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -19 predicate places. [2023-11-19 07:50:02,218 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 38 transitions, 101 flow [2023-11-19 07:50:02,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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 07:50:02,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:50:02,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:02,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:50:02,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-19 07:50:02,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:02,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1299710553, now seen corresponding path program 1 times [2023-11-19 07:50:02,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:02,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115309670] [2023-11-19 07:50:02,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:02,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:02,327 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 07:50:02,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:02,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115309670] [2023-11-19 07:50:02,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115309670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:02,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:02,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:02,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489809530] [2023-11-19 07:50:02,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:02,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:02,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:02,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:02,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:02,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 366 [2023-11-19 07:50:02,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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 07:50:02,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:50:02,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 366 [2023-11-19 07:50:02,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:50:02,734 INFO L124 PetriNetUnfolderBase]: 1829/2865 cut-off events. [2023-11-19 07:50:02,734 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-19 07:50:02,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5762 conditions, 2865 events. 1829/2865 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 15899 event pairs, 413 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 5757. Up to 1877 conditions per place. [2023-11-19 07:50:02,746 INFO L140 encePairwiseOnDemand]: 360/366 looper letters, 0 selfloop transitions, 0 changer transitions 56/56 dead transitions. [2023-11-19 07:50:02,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 56 transitions, 235 flow [2023-11-19 07:50:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:50:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2023-11-19 07:50:02,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5373406193078324 [2023-11-19 07:50:02,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 590 transitions. [2023-11-19 07:50:02,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 590 transitions. [2023-11-19 07:50:02,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:02,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 590 transitions. [2023-11-19 07:50:02,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 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 07:50:02,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 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 07:50:02,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 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 07:50:02,758 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 101 flow. Second operand 3 states and 590 transitions. [2023-11-19 07:50:02,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 56 transitions, 235 flow [2023-11-19 07:50:02,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 56 transitions, 235 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:50:02,761 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2023-11-19 07:50:02,761 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2023-11-19 07:50:02,764 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-11-19 07:50:02,764 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2023-11-19 07:50:02,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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 07:50:02,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-19 07:50:02,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-19 07:50:02,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-19 07:50:02,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-19 07:50:02,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-19 07:50:02,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-19 07:50:02,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-11-19 07:50:02,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-11-19 07:50:02,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-11-19 07:50:02,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-11-19 07:50:02,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-19 07:50:02,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-19 07:50:02,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-19 07:50:02,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-19 07:50:02,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-19 07:50:02,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-19 07:50:02,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-19 07:50:02,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-19 07:50:02,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-11-19 07:50:02,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-19 07:50:02,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-19 07:50:02,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-19 07:50:02,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 38 remaining) [2023-11-19 07:50:02,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-11-19 07:50:02,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-19 07:50:02,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2023-11-19 07:50:02,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-11-19 07:50:02,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-11-19 07:50:02,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-11-19 07:50:02,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-19 07:50:02,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-19 07:50:02,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-19 07:50:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-19 07:50:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-19 07:50:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-19 07:50:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-19 07:50:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-19 07:50:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-19 07:50:02,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:50:02,793 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:50:02,801 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:50:02,802 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:50:02,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:02 BasicIcfg [2023-11-19 07:50:02,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:50:02,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:02,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:02,809 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:02,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:56" (3/4) ... [2023-11-19 07:50:02,811 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:50:02,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:50:02,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:50:02,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 07:50:02,823 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 07:50:02,824 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:50:02,824 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:50:02,825 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:50:02,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:50:02,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:50:02,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:02,947 INFO L158 Benchmark]: Toolchain (without parser) took 7672.70ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 137.2MB in the beginning and 141.3MB in the end (delta: -4.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-19 07:50:02,948 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:02,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.47ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 125.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:50:02,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.50ms. Allocated memory is still 182.5MB. Free memory was 124.6MB in the beginning and 123.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:02,949 INFO L158 Benchmark]: Boogie Preprocessor took 39.51ms. Allocated memory is still 182.5MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:02,949 INFO L158 Benchmark]: RCFGBuilder took 687.48ms. Allocated memory is still 182.5MB. Free memory was 121.1MB in the beginning and 102.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:50:02,950 INFO L158 Benchmark]: TraceAbstraction took 6455.43ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 101.5MB in the beginning and 146.5MB in the end (delta: -45.0MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2023-11-19 07:50:02,950 INFO L158 Benchmark]: Witness Printer took 138.15ms. Allocated memory is still 222.3MB. Free memory was 146.5MB in the beginning and 141.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:50:02,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.47ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 125.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.50ms. Allocated memory is still 182.5MB. Free memory was 124.6MB in the beginning and 123.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.51ms. Allocated memory is still 182.5MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.48ms. Allocated memory is still 182.5MB. Free memory was 121.1MB in the beginning and 102.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6455.43ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 101.5MB in the beginning and 146.5MB in the end (delta: -45.0MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Witness Printer took 138.15ms. Allocated memory is still 222.3MB. Free memory was 146.5MB in the beginning and 141.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 179 PlacesBefore, 61 PlacesAfterwards, 175 TransitionsBefore, 57 TransitionsAfterwards, 8274 CoEnabledTransitionPairs, 7 FixpointIterations, 62 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 165 TotalNumberOfCompositions, 20964 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13732, independent: 13371, independent conditional: 0, independent unconditional: 13371, dependent: 361, dependent conditional: 0, dependent unconditional: 361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4802, independent: 4744, independent conditional: 0, independent unconditional: 4744, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13732, independent: 8627, independent conditional: 0, independent unconditional: 8627, dependent: 303, dependent conditional: 0, dependent unconditional: 303, unknown: 4802, unknown conditional: 0, unknown unconditional: 4802] , Statistics on independence cache: Total cache size (in pairs): 489, Positive cache size: 459, Positive conditional cache size: 0, Positive unconditional cache size: 459, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: 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: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 58]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 79]: 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: 79]: 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, 276 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 214 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 36 mSDtfsCounter, 214 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 07:50:03,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76810cff-aa68-4c09-b533-79302f28f57f/bin/uautomizer-verify-uCwYo4JHxu/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