./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:49:26,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:49:26,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:49:26,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:49:26,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:49:26,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:49:26,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:49:26,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:49:26,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:49:26,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:49:26,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:49:26,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:49:26,391 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:49:26,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:49:26,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:49:26,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:49:26,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:49:26,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:49:26,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:49:26,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:49:26,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:49:26,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:49:26,397 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:49:26,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:49:26,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:49:26,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:49:26,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:49:26,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:49:26,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:49:26,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:49:26,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:49:26,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:49:26,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:49:26,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:49:26,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:49:26,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:49:26,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:49:26,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:49:26,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:49:26,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:49:26,405 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:49:26,405 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_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 [2023-11-06 22:49:26,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:49:26,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:49:26,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:49:26,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:49:26,686 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:49:26,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-06 22:49:29,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:49:29,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:49:29,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-06 22:49:29,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/data/9e1bc63ab/70c724b9a38b4f1f91c2957449080a77/FLAGde60250ef [2023-11-06 22:49:29,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/data/9e1bc63ab/70c724b9a38b4f1f91c2957449080a77 [2023-11-06 22:49:29,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:49:29,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:49:29,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:29,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:49:29,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:49:29,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:29" (1/1) ... [2023-11-06 22:49:29,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a14212c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:29, skipping insertion in model container [2023-11-06 22:49:29,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:29" (1/1) ... [2023-11-06 22:49:29,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:49:30,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:30,199 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:49:30,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:30,246 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:49:30,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30 WrapperNode [2023-11-06 22:49:30,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:30,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:30,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:49:30,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:49:30,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,299 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 247 [2023-11-06 22:49:30,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:30,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:49:30,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:49:30,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:49:30,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:49:30,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:49:30,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:49:30,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:49:30,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (1/1) ... [2023-11-06 22:49:30,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:49:30,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:30,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:30,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:49:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:49:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:49:30,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:49:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:49:30,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:49:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:49:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:49:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:49:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:49:30,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:49:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:49:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:49:30,448 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:49:30,634 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:49:30,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:49:31,211 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:49:31,237 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:49:31,238 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:49:31,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:31 BoogieIcfgContainer [2023-11-06 22:49:31,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:49:31,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:49:31,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:49:31,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:49:31,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:49:29" (1/3) ... [2023-11-06 22:49:31,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70238a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:31, skipping insertion in model container [2023-11-06 22:49:31,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:30" (2/3) ... [2023-11-06 22:49:31,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70238a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:31, skipping insertion in model container [2023-11-06 22:49:31,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:31" (3/3) ... [2023-11-06 22:49:31,254 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2023-11-06 22:49:31,262 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:49:31,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:49:31,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-06 22:49:31,291 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:49:31,447 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:49:31,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 316 places, 327 transitions, 668 flow [2023-11-06 22:49:31,646 INFO L124 PetriNetUnfolderBase]: 18/325 cut-off events. [2023-11-06 22:49:31,646 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:49:31,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 325 events. 18/325 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 654 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2023-11-06 22:49:31,657 INFO L82 GeneralOperation]: Start removeDead. Operand has 316 places, 327 transitions, 668 flow [2023-11-06 22:49:31,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 292 places, 301 transitions, 614 flow [2023-11-06 22:49:31,673 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:49:31,686 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 301 transitions, 614 flow [2023-11-06 22:49:31,690 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 301 transitions, 614 flow [2023-11-06 22:49:31,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 301 transitions, 614 flow [2023-11-06 22:49:31,789 INFO L124 PetriNetUnfolderBase]: 16/301 cut-off events. [2023-11-06 22:49:31,790 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:49:31,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 301 events. 16/301 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 642 event pairs, 0 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2023-11-06 22:49:31,811 INFO L119 LiptonReduction]: Number of co-enabled transitions 17696 [2023-11-06 22:49:40,281 INFO L134 LiptonReduction]: Checked pairs total: 51097 [2023-11-06 22:49:40,282 INFO L136 LiptonReduction]: Total number of compositions: 316 [2023-11-06 22:49:40,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:49:40,317 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=LoopsAndPotentialCycles, 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;@61b759f1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:49:40,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-06 22:49:40,319 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:49:40,319 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:49:40,320 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:49:40,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:40,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:49:40,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:40,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1220, now seen corresponding path program 1 times [2023-11-06 22:49:40,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:40,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084829435] [2023-11-06 22:49:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:40,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:40,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084829435] [2023-11-06 22:49:40,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084829435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:40,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:40,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:49:40,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559938311] [2023-11-06 22:49:40,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:40,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:49:40,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:40,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:49:40,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:40,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 643 [2023-11-06 22:49:40,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 79 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 315.5) internal successors, (631), 2 states have internal predecessors, (631), 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) [2023-11-06 22:49:40,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:40,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 643 [2023-11-06 22:49:40,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:40,830 INFO L124 PetriNetUnfolderBase]: 400/926 cut-off events. [2023-11-06 22:49:40,831 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-06 22:49:40,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 926 events. 400/926 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5739 event pairs, 240 based on Foata normal form. 21/728 useless extension candidates. Maximal degree in co-relation 1444. Up to 601 conditions per place. [2023-11-06 22:49:40,842 INFO L140 encePairwiseOnDemand]: 627/643 looper letters, 31 selfloop transitions, 0 changer transitions 1/63 dead transitions. [2023-11-06 22:49:40,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 63 transitions, 202 flow [2023-11-06 22:49:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:49:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:49:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 678 transitions. [2023-11-06 22:49:40,864 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5272161741835147 [2023-11-06 22:49:40,865 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 678 transitions. [2023-11-06 22:49:40,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 678 transitions. [2023-11-06 22:49:40,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:40,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 678 transitions. [2023-11-06 22:49:40,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 339.0) internal successors, (678), 2 states have internal predecessors, (678), 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) [2023-11-06 22:49:40,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 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) [2023-11-06 22:49:40,899 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 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) [2023-11-06 22:49:40,901 INFO L175 Difference]: Start difference. First operand has 77 places, 79 transitions, 170 flow. Second operand 2 states and 678 transitions. [2023-11-06 22:49:40,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 63 transitions, 202 flow [2023-11-06 22:49:40,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 63 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:49:40,912 INFO L231 Difference]: Finished difference. Result has 59 places, 62 transitions, 127 flow [2023-11-06 22:49:40,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=127, PETRI_PLACES=59, PETRI_TRANSITIONS=62} [2023-11-06 22:49:40,920 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -18 predicate places. [2023-11-06 22:49:40,920 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 62 transitions, 127 flow [2023-11-06 22:49:40,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 315.5) internal successors, (631), 2 states have internal predecessors, (631), 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) [2023-11-06 22:49:40,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:40,923 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 22:49:40,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:49:40,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:40,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash 37666596, now seen corresponding path program 1 times [2023-11-06 22:49:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:40,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740244051] [2023-11-06 22:49:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:40,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:41,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:41,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740244051] [2023-11-06 22:49:41,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740244051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:41,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:41,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:41,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263306770] [2023-11-06 22:49:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:41,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:41,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:41,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:41,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:41,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 643 [2023-11-06 22:49:41,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 62 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2023-11-06 22:49:41,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:41,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 643 [2023-11-06 22:49:41,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:41,302 INFO L124 PetriNetUnfolderBase]: 470/1084 cut-off events. [2023-11-06 22:49:41,302 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:49:41,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1808 conditions, 1084 events. 470/1084 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 6648 event pairs, 160 based on Foata normal form. 0/845 useless extension candidates. Maximal degree in co-relation 1805. Up to 704 conditions per place. [2023-11-06 22:49:41,312 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 36 selfloop transitions, 3 changer transitions 0/65 dead transitions. [2023-11-06 22:49:41,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 65 transitions, 212 flow [2023-11-06 22:49:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-11-06 22:49:41,318 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49611197511664074 [2023-11-06 22:49:41,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-11-06 22:49:41,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-11-06 22:49:41,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:41,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-11-06 22:49:41,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2023-11-06 22:49:41,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:41,331 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:41,331 INFO L175 Difference]: Start difference. First operand has 59 places, 62 transitions, 127 flow. Second operand 3 states and 957 transitions. [2023-11-06 22:49:41,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 65 transitions, 212 flow [2023-11-06 22:49:41,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 65 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:41,335 INFO L231 Difference]: Finished difference. Result has 58 places, 62 transitions, 142 flow [2023-11-06 22:49:41,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2023-11-06 22:49:41,336 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2023-11-06 22:49:41,337 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 142 flow [2023-11-06 22:49:41,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2023-11-06 22:49:41,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:41,338 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:49:41,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:49:41,339 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:41,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:41,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1837892990, now seen corresponding path program 1 times [2023-11-06 22:49:41,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:41,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164839892] [2023-11-06 22:49:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:41,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:41,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164839892] [2023-11-06 22:49:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164839892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:41,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:41,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:41,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752135265] [2023-11-06 22:49:41,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:41,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:41,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:41,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:41,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:41,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 643 [2023-11-06 22:49:41,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2023-11-06 22:49:41,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:41,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 643 [2023-11-06 22:49:41,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:41,664 INFO L124 PetriNetUnfolderBase]: 531/1210 cut-off events. [2023-11-06 22:49:41,665 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-06 22:49:41,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2089 conditions, 1210 events. 531/1210 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7475 event pairs, 180 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 2085. Up to 801 conditions per place. [2023-11-06 22:49:41,676 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 39 selfloop transitions, 3 changer transitions 0/65 dead transitions. [2023-11-06 22:49:41,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 65 transitions, 233 flow [2023-11-06 22:49:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2023-11-06 22:49:41,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.496630378434422 [2023-11-06 22:49:41,682 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2023-11-06 22:49:41,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2023-11-06 22:49:41,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:41,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2023-11-06 22:49:41,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2023-11-06 22:49:41,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:41,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:41,695 INFO L175 Difference]: Start difference. First operand has 58 places, 62 transitions, 142 flow. Second operand 3 states and 958 transitions. [2023-11-06 22:49:41,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 65 transitions, 233 flow [2023-11-06 22:49:41,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 65 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:41,698 INFO L231 Difference]: Finished difference. Result has 58 places, 62 transitions, 157 flow [2023-11-06 22:49:41,699 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2023-11-06 22:49:41,700 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2023-11-06 22:49:41,700 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 157 flow [2023-11-06 22:49:41,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2023-11-06 22:49:41,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:41,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:41,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:49:41,702 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:41,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:41,703 INFO L85 PathProgramCache]: Analyzing trace with hash 983667015, now seen corresponding path program 1 times [2023-11-06 22:49:41,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:41,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303402382] [2023-11-06 22:49:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:41,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:41,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:41,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303402382] [2023-11-06 22:49:41,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303402382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:41,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:41,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:41,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089310945] [2023-11-06 22:49:41,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:41,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:41,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:41,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:41,770 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 643 [2023-11-06 22:49:41,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 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) [2023-11-06 22:49:41,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:41,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 643 [2023-11-06 22:49:41,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:41,975 INFO L124 PetriNetUnfolderBase]: 542/1191 cut-off events. [2023-11-06 22:49:41,975 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2023-11-06 22:49:41,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2196 conditions, 1191 events. 542/1191 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7414 event pairs, 120 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 2191. Up to 626 conditions per place. [2023-11-06 22:49:41,985 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 52 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2023-11-06 22:49:41,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 78 transitions, 309 flow [2023-11-06 22:49:41,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2023-11-06 22:49:42,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023328149300156 [2023-11-06 22:49:42,022 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 969 transitions. [2023-11-06 22:49:42,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 969 transitions. [2023-11-06 22:49:42,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:42,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 969 transitions. [2023-11-06 22:49:42,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2023-11-06 22:49:42,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:42,033 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:42,033 INFO L175 Difference]: Start difference. First operand has 58 places, 62 transitions, 157 flow. Second operand 3 states and 969 transitions. [2023-11-06 22:49:42,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 78 transitions, 309 flow [2023-11-06 22:49:42,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 309 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:42,036 INFO L231 Difference]: Finished difference. Result has 58 places, 62 transitions, 172 flow [2023-11-06 22:49:42,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2023-11-06 22:49:42,038 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2023-11-06 22:49:42,038 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 172 flow [2023-11-06 22:49:42,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 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) [2023-11-06 22:49:42,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:42,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:42,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:49:42,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:42,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1122256313, now seen corresponding path program 1 times [2023-11-06 22:49:42,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:42,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833876553] [2023-11-06 22:49:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:42,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:42,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:42,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833876553] [2023-11-06 22:49:42,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833876553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:42,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:42,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:42,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844156227] [2023-11-06 22:49:42,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:42,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:42,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:42,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:42,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:42,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 643 [2023-11-06 22:49:42,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-06 22:49:42,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:42,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 643 [2023-11-06 22:49:42,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:42,340 INFO L124 PetriNetUnfolderBase]: 509/1086 cut-off events. [2023-11-06 22:49:42,341 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-06 22:49:42,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2158 conditions, 1086 events. 509/1086 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6565 event pairs, 270 based on Foata normal form. 0/832 useless extension candidates. Maximal degree in co-relation 2152. Up to 620 conditions per place. [2023-11-06 22:49:42,350 INFO L140 encePairwiseOnDemand]: 636/643 looper letters, 39 selfloop transitions, 6 changer transitions 9/77 dead transitions. [2023-11-06 22:49:42,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 77 transitions, 320 flow [2023-11-06 22:49:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2023-11-06 22:49:42,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5018144116122343 [2023-11-06 22:49:42,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 968 transitions. [2023-11-06 22:49:42,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 968 transitions. [2023-11-06 22:49:42,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:42,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 968 transitions. [2023-11-06 22:49:42,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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) [2023-11-06 22:49:42,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:42,366 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:42,366 INFO L175 Difference]: Start difference. First operand has 58 places, 62 transitions, 172 flow. Second operand 3 states and 968 transitions. [2023-11-06 22:49:42,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 77 transitions, 320 flow [2023-11-06 22:49:42,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 77 transitions, 320 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:42,369 INFO L231 Difference]: Finished difference. Result has 59 places, 61 transitions, 182 flow [2023-11-06 22:49:42,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2023-11-06 22:49:42,371 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -18 predicate places. [2023-11-06 22:49:42,371 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 182 flow [2023-11-06 22:49:42,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-06 22:49:42,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:42,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:42,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:49:42,373 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:42,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:42,373 INFO L85 PathProgramCache]: Analyzing trace with hash 430042620, now seen corresponding path program 1 times [2023-11-06 22:49:42,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:42,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068954805] [2023-11-06 22:49:42,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:42,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:42,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068954805] [2023-11-06 22:49:42,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068954805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:42,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:42,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:42,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272728587] [2023-11-06 22:49:42,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:42,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:42,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:42,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:42,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:42,425 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 643 [2023-11-06 22:49:42,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 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) [2023-11-06 22:49:42,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:42,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 643 [2023-11-06 22:49:42,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:42,640 INFO L124 PetriNetUnfolderBase]: 599/1180 cut-off events. [2023-11-06 22:49:42,640 INFO L125 PetriNetUnfolderBase]: For 188/188 co-relation queries the response was YES. [2023-11-06 22:49:42,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2579 conditions, 1180 events. 599/1180 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 6702 event pairs, 145 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 2572. Up to 683 conditions per place. [2023-11-06 22:49:42,650 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 57 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2023-11-06 22:49:42,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 78 transitions, 355 flow [2023-11-06 22:49:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2023-11-06 22:49:42,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5033696215655781 [2023-11-06 22:49:42,655 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 971 transitions. [2023-11-06 22:49:42,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 971 transitions. [2023-11-06 22:49:42,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:42,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 971 transitions. [2023-11-06 22:49:42,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 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) [2023-11-06 22:49:42,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:42,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:42,669 INFO L175 Difference]: Start difference. First operand has 59 places, 61 transitions, 182 flow. Second operand 3 states and 971 transitions. [2023-11-06 22:49:42,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 78 transitions, 355 flow [2023-11-06 22:49:42,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 78 transitions, 337 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:49:42,677 INFO L231 Difference]: Finished difference. Result has 57 places, 61 transitions, 185 flow [2023-11-06 22:49:42,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=57, PETRI_TRANSITIONS=61} [2023-11-06 22:49:42,679 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -20 predicate places. [2023-11-06 22:49:42,679 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 185 flow [2023-11-06 22:49:42,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 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) [2023-11-06 22:49:42,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:42,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:42,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:49:42,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:42,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:42,682 INFO L85 PathProgramCache]: Analyzing trace with hash 52869352, now seen corresponding path program 1 times [2023-11-06 22:49:42,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:42,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219199570] [2023-11-06 22:49:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:42,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:42,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219199570] [2023-11-06 22:49:42,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219199570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:42,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:42,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:42,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655618103] [2023-11-06 22:49:42,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:42,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:42,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:42,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:42,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-06 22:49:42,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 61 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 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) [2023-11-06 22:49:42,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:42,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-06 22:49:42,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:42,985 INFO L124 PetriNetUnfolderBase]: 764/1391 cut-off events. [2023-11-06 22:49:42,985 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2023-11-06 22:49:42,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3101 conditions, 1391 events. 764/1391 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 7582 event pairs, 323 based on Foata normal form. 0/1115 useless extension candidates. Maximal degree in co-relation 3094. Up to 785 conditions per place. [2023-11-06 22:49:42,997 INFO L140 encePairwiseOnDemand]: 639/643 looper letters, 64 selfloop transitions, 2 changer transitions 6/88 dead transitions. [2023-11-06 22:49:42,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 88 transitions, 403 flow [2023-11-06 22:49:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:43,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 989 transitions. [2023-11-06 22:49:43,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5127008812856402 [2023-11-06 22:49:43,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 989 transitions. [2023-11-06 22:49:43,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 989 transitions. [2023-11-06 22:49:43,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:43,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 989 transitions. [2023-11-06 22:49:43,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 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) [2023-11-06 22:49:43,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:43,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:43,014 INFO L175 Difference]: Start difference. First operand has 57 places, 61 transitions, 185 flow. Second operand 3 states and 989 transitions. [2023-11-06 22:49:43,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 88 transitions, 403 flow [2023-11-06 22:49:43,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 88 transitions, 403 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:43,018 INFO L231 Difference]: Finished difference. Result has 58 places, 61 transitions, 195 flow [2023-11-06 22:49:43,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=58, PETRI_TRANSITIONS=61} [2023-11-06 22:49:43,019 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2023-11-06 22:49:43,019 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 61 transitions, 195 flow [2023-11-06 22:49:43,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 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) [2023-11-06 22:49:43,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:43,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:43,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:49:43,022 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-06 22:49:43,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:43,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2088349469, now seen corresponding path program 1 times [2023-11-06 22:49:43,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:43,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753633210] [2023-11-06 22:49:43,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:43,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:43,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:43,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753633210] [2023-11-06 22:49:43,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753633210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:43,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:43,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:43,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7062748] [2023-11-06 22:49:43,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:43,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:43,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:43,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:43,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:43,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-06 22:49:43,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 61 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 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) [2023-11-06 22:49:43,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:43,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-06 22:49:43,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:43,342 INFO L124 PetriNetUnfolderBase]: 779/1398 cut-off events. [2023-11-06 22:49:43,342 INFO L125 PetriNetUnfolderBase]: For 184/184 co-relation queries the response was YES. [2023-11-06 22:49:43,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3235 conditions, 1398 events. 779/1398 cut-off events. For 184/184 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7366 event pairs, 329 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 3227. Up to 785 conditions per place. [2023-11-06 22:49:43,349 INFO L140 encePairwiseOnDemand]: 639/643 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2023-11-06 22:49:43,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 88 transitions, 413 flow [2023-11-06 22:49:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 989 transitions. [2023-11-06 22:49:43,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5127008812856402 [2023-11-06 22:49:43,354 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 989 transitions. [2023-11-06 22:49:43,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 989 transitions. [2023-11-06 22:49:43,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:43,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 989 transitions. [2023-11-06 22:49:43,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 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) [2023-11-06 22:49:43,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:43,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 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) [2023-11-06 22:49:43,364 INFO L175 Difference]: Start difference. First operand has 58 places, 61 transitions, 195 flow. Second operand 3 states and 989 transitions. [2023-11-06 22:49:43,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 88 transitions, 413 flow [2023-11-06 22:49:43,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 88 transitions, 413 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:43,368 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2023-11-06 22:49:43,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2023-11-06 22:49:43,369 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2023-11-06 22:49:43,369 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2023-11-06 22:49:43,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 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) [2023-11-06 22:49:43,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2023-11-06 22:49:43,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2023-11-06 22:49:43,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2023-11-06 22:49:43,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2023-11-06 22:49:43,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2023-11-06 22:49:43,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2023-11-06 22:49:43,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2023-11-06 22:49:43,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2023-11-06 22:49:43,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2023-11-06 22:49:43,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2023-11-06 22:49:43,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2023-11-06 22:49:43,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2023-11-06 22:49:43,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2023-11-06 22:49:43,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2023-11-06 22:49:43,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2023-11-06 22:49:43,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2023-11-06 22:49:43,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2023-11-06 22:49:43,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2023-11-06 22:49:43,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2023-11-06 22:49:43,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2023-11-06 22:49:43,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2023-11-06 22:49:43,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2023-11-06 22:49:43,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2023-11-06 22:49:43,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2023-11-06 22:49:43,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2023-11-06 22:49:43,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2023-11-06 22:49:43,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2023-11-06 22:49:43,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2023-11-06 22:49:43,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2023-11-06 22:49:43,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2023-11-06 22:49:43,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2023-11-06 22:49:43,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2023-11-06 22:49:43,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2023-11-06 22:49:43,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2023-11-06 22:49:43,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2023-11-06 22:49:43,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2023-11-06 22:49:43,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2023-11-06 22:49:43,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2023-11-06 22:49:43,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2023-11-06 22:49:43,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2023-11-06 22:49:43,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2023-11-06 22:49:43,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2023-11-06 22:49:43,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2023-11-06 22:49:43,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2023-11-06 22:49:43,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2023-11-06 22:49:43,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2023-11-06 22:49:43,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2023-11-06 22:49:43,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2023-11-06 22:49:43,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2023-11-06 22:49:43,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2023-11-06 22:49:43,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2023-11-06 22:49:43,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2023-11-06 22:49:43,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:49:43,387 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:43,393 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:49:43,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:49:43,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:49:43 BasicIcfg [2023-11-06 22:49:43,398 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:49:43,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:49:43,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:49:43,399 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:49:43,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:31" (3/4) ... [2023-11-06 22:49:43,402 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:49:43,406 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:49:43,406 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:49:43,413 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:49:43,414 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:49:43,414 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:49:43,415 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:49:43,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:49:43,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:49:43,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:49:43,482 INFO L158 Benchmark]: Toolchain (without parser) took 13534.50ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 99.3MB in the beginning and 140.7MB in the end (delta: -41.5MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,483 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:43,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.28ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 87.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.84ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 84.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,484 INFO L158 Benchmark]: Boogie Preprocessor took 55.29ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 83.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,484 INFO L158 Benchmark]: RCFGBuilder took 885.48ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 59.1MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,485 INFO L158 Benchmark]: TraceAbstraction took 12153.37ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 58.5MB in the beginning and 144.9MB in the end (delta: -86.4MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,485 INFO L158 Benchmark]: Witness Printer took 82.66ms. Allocated memory is still 226.5MB. Free memory was 144.9MB in the beginning and 140.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:49:43,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.28ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 87.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.84ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 84.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.29ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 83.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 885.48ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 59.1MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12153.37ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 58.5MB in the beginning and 144.9MB in the end (delta: -86.4MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * Witness Printer took 82.66ms. Allocated memory is still 226.5MB. Free memory was 144.9MB in the beginning and 140.7MB in the end (delta: 4.2MB). 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: 8.6s, 292 PlacesBefore, 77 PlacesAfterwards, 301 TransitionsBefore, 79 TransitionsAfterwards, 17696 CoEnabledTransitionPairs, 8 FixpointIterations, 135 TrivialSequentialCompositions, 122 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 38 ConcurrentYvCompositions, 7 ChoiceCompositions, 316 TotalNumberOfCompositions, 51097 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28764, independent: 27912, independent conditional: 0, independent unconditional: 27912, dependent: 852, dependent conditional: 0, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10391, independent: 10303, independent conditional: 0, independent unconditional: 10303, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28764, independent: 17609, independent conditional: 0, independent unconditional: 17609, dependent: 764, dependent conditional: 0, dependent unconditional: 764, unknown: 10391, unknown conditional: 0, unknown unconditional: 10391] , Statistics on independence cache: Total cache size (in pairs): 743, Positive cache size: 696, Positive conditional cache size: 0, Positive unconditional cache size: 696, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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 5 procedures, 460 locations, 52 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: 11.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 572 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 37 mSDtfsCounter, 572 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=7, InterpolantAutomatonStates: 23, 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, 0.3s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:49:43,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b02ac32-ee57-4308-ad0d-7dbf19520bab/bin/uautomizer-verify-WvqO1wxjHP/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