./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:36,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:36,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:07:36,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:36,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:36,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:36,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:36,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:36,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:36,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:36,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:36,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:36,514 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:36,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:36,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:36,518 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:36,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:36,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:36,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:36,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:36,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:36,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:36,534 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:07:36,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:36,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:07:36,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:36,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:36,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:36,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:36,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:36,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:36,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:36,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:36,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:36,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:36,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:36,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:36,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:36,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:36,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:36,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:36,542 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_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a [2024-10-31 22:07:37,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:37,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:37,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:37,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:37,054 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:37,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c Unable to find full path for "g++" [2024-10-31 22:07:39,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:39,463 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:39,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2024-10-31 22:07:39,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/data/8d0b3f76c/e360198e151e4b4e959e4e8c68a463fc/FLAGaa7fcfcb6 [2024-10-31 22:07:39,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/data/8d0b3f76c/e360198e151e4b4e959e4e8c68a463fc [2024-10-31 22:07:39,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:39,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:39,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:39,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:39,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:39,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8d688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39, skipping insertion in model container [2024-10-31 22:07:39,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:39,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:39,811 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:39,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:39,861 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:39,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39 WrapperNode [2024-10-31 22:07:39,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:39,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:39,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:39,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:39,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,903 INFO L138 Inliner]: procedures = 20, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2024-10-31 22:07:39,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:39,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:39,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:39,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:39,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:39,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:39,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:39,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:39,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (1/1) ... [2024-10-31 22:07:39,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:39,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:39,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:39,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:07:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:07:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:07:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:07:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:07:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:40,032 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:07:40,168 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:40,177 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:40,611 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:07:40,612 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:40,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:40,634 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:07:40,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:40 BoogieIcfgContainer [2024-10-31 22:07:40,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:40,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:40,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:40,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:40,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:39" (1/3) ... [2024-10-31 22:07:40,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430f85ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:40, skipping insertion in model container [2024-10-31 22:07:40,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:39" (2/3) ... [2024-10-31 22:07:40,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430f85ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:40, skipping insertion in model container [2024-10-31 22:07:40,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:40" (3/3) ... [2024-10-31 22:07:40,647 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2024-10-31 22:07:40,666 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:40,667 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-31 22:07:40,667 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:07:40,786 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:07:40,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 159 transitions, 332 flow [2024-10-31 22:07:40,903 INFO L124 PetriNetUnfolderBase]: 8/157 cut-off events. [2024-10-31 22:07:40,906 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:07:40,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 157 events. 8/157 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 141 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-10-31 22:07:40,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 159 transitions, 332 flow [2024-10-31 22:07:40,925 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 137 transitions, 286 flow [2024-10-31 22:07:40,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:40,941 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d3bb079, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:40,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-10-31 22:07:40,948 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:07:40,948 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-31 22:07:40,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:07:40,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:40,949 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:40,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:40,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:40,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1547282207, now seen corresponding path program 1 times [2024-10-31 22:07:40,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:40,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691248660] [2024-10-31 22:07:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:40,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:41,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691248660] [2024-10-31 22:07:41,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691248660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:41,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:41,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:41,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221104013] [2024-10-31 22:07:41,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:41,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:41,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:41,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:41,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:41,338 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-10-31 22:07:41,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:41,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:41,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-10-31 22:07:41,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:41,482 INFO L124 PetriNetUnfolderBase]: 12/207 cut-off events. [2024-10-31 22:07:41,482 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-31 22:07:41,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 207 events. 12/207 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 480 event pairs, 5 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 137. Up to 21 conditions per place. [2024-10-31 22:07:41,490 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 10 selfloop transitions, 2 changer transitions 2/134 dead transitions. [2024-10-31 22:07:41,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 304 flow [2024-10-31 22:07:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:41,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-10-31 22:07:41,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2024-10-31 22:07:41,515 INFO L175 Difference]: Start difference. First operand has 138 places, 137 transitions, 286 flow. Second operand 3 states and 438 transitions. [2024-10-31 22:07:41,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 304 flow [2024-10-31 22:07:41,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 134 transitions, 296 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:07:41,525 INFO L231 Difference]: Finished difference. Result has 135 places, 132 transitions, 272 flow [2024-10-31 22:07:41,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=135, PETRI_TRANSITIONS=132} [2024-10-31 22:07:41,534 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -3 predicate places. [2024-10-31 22:07:41,535 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 132 transitions, 272 flow [2024-10-31 22:07:41,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:41,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:41,536 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:41,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:07:41,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:41,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:41,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2144134985, now seen corresponding path program 1 times [2024-10-31 22:07:41,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:41,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425761561] [2024-10-31 22:07:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:41,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:41,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:41,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425761561] [2024-10-31 22:07:41,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425761561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:41,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:41,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:41,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330186807] [2024-10-31 22:07:41,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:41,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:41,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:41,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:41,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:41,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-10-31 22:07:41,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:41,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:41,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-10-31 22:07:41,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:41,772 INFO L124 PetriNetUnfolderBase]: 11/175 cut-off events. [2024-10-31 22:07:41,772 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:07:41,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 175 events. 11/175 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 361 event pairs, 5 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 178. Up to 21 conditions per place. [2024-10-31 22:07:41,774 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-10-31 22:07:41,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 294 flow [2024-10-31 22:07:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-10-31 22:07:41,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9140461215932913 [2024-10-31 22:07:41,779 INFO L175 Difference]: Start difference. First operand has 135 places, 132 transitions, 272 flow. Second operand 3 states and 436 transitions. [2024-10-31 22:07:41,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 294 flow [2024-10-31 22:07:41,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:41,783 INFO L231 Difference]: Finished difference. Result has 132 places, 131 transitions, 270 flow [2024-10-31 22:07:41,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=132, PETRI_TRANSITIONS=131} [2024-10-31 22:07:41,785 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -6 predicate places. [2024-10-31 22:07:41,785 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 131 transitions, 270 flow [2024-10-31 22:07:41,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:41,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:41,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:41,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:07:41,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:41,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1914111960, now seen corresponding path program 1 times [2024-10-31 22:07:41,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:41,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836076884] [2024-10-31 22:07:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:41,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:41,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:41,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836076884] [2024-10-31 22:07:41,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836076884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:41,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:41,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:41,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764614370] [2024-10-31 22:07:41,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:41,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:41,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:41,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:41,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:41,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-10-31 22:07:41,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 131 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:41,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:41,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-10-31 22:07:41,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:42,021 INFO L124 PetriNetUnfolderBase]: 23/239 cut-off events. [2024-10-31 22:07:42,022 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:07:42,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 239 events. 23/239 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 634 event pairs, 9 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 251. Up to 36 conditions per place. [2024-10-31 22:07:42,028 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-10-31 22:07:42,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 131 transitions, 299 flow [2024-10-31 22:07:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-31 22:07:42,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2024-10-31 22:07:42,035 INFO L175 Difference]: Start difference. First operand has 132 places, 131 transitions, 270 flow. Second operand 3 states and 440 transitions. [2024-10-31 22:07:42,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 131 transitions, 299 flow [2024-10-31 22:07:42,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:42,042 INFO L231 Difference]: Finished difference. Result has 130 places, 130 transitions, 274 flow [2024-10-31 22:07:42,042 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=130, PETRI_TRANSITIONS=130} [2024-10-31 22:07:42,046 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-10-31 22:07:42,047 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 274 flow [2024-10-31 22:07:42,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:42,047 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:42,048 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:42,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:07:42,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:42,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1215578614, now seen corresponding path program 1 times [2024-10-31 22:07:42,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:42,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412768794] [2024-10-31 22:07:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:42,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:42,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:42,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412768794] [2024-10-31 22:07:42,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412768794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:42,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:42,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:42,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080000666] [2024-10-31 22:07:42,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:42,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:42,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:42,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:42,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:42,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-10-31 22:07:42,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:42,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:42,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-10-31 22:07:42,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:42,248 INFO L124 PetriNetUnfolderBase]: 26/269 cut-off events. [2024-10-31 22:07:42,248 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:07:42,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 269 events. 26/269 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 855 event pairs, 8 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 263. Up to 36 conditions per place. [2024-10-31 22:07:42,254 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-10-31 22:07:42,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 130 transitions, 303 flow [2024-10-31 22:07:42,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-31 22:07:42,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2024-10-31 22:07:42,259 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 274 flow. Second operand 3 states and 440 transitions. [2024-10-31 22:07:42,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 130 transitions, 303 flow [2024-10-31 22:07:42,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 130 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:42,264 INFO L231 Difference]: Finished difference. Result has 130 places, 129 transitions, 282 flow [2024-10-31 22:07:42,264 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2024-10-31 22:07:42,266 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-10-31 22:07:42,267 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 129 transitions, 282 flow [2024-10-31 22:07:42,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 22:07:42,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:42,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:42,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:07:42,268 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:42,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:42,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1023740721, now seen corresponding path program 1 times [2024-10-31 22:07:42,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:42,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119010671] [2024-10-31 22:07:42,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:42,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:42,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:42,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119010671] [2024-10-31 22:07:42,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119010671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:42,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:42,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:42,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852275699] [2024-10-31 22:07:42,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:42,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:42,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:42,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:42,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:42,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 159 [2024-10-31 22:07:42,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 129 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2024-10-31 22:07:42,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:42,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 159 [2024-10-31 22:07:42,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:42,438 INFO L124 PetriNetUnfolderBase]: 13/195 cut-off events. [2024-10-31 22:07:42,439 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-10-31 22:07:42,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 195 events. 13/195 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 466 event pairs, 2 based on Foata normal form. 1/179 useless extension candidates. Maximal degree in co-relation 174. Up to 14 conditions per place. [2024-10-31 22:07:42,440 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2024-10-31 22:07:42,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 307 flow [2024-10-31 22:07:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-10-31 22:07:42,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2024-10-31 22:07:42,445 INFO L175 Difference]: Start difference. First operand has 130 places, 129 transitions, 282 flow. Second operand 3 states and 442 transitions. [2024-10-31 22:07:42,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 307 flow [2024-10-31 22:07:42,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 129 transitions, 307 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:42,448 INFO L231 Difference]: Finished difference. Result has 131 places, 128 transitions, 284 flow [2024-10-31 22:07:42,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=131, PETRI_TRANSITIONS=128} [2024-10-31 22:07:42,450 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -7 predicate places. [2024-10-31 22:07:42,450 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 128 transitions, 284 flow [2024-10-31 22:07:42,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2024-10-31 22:07:42,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:42,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:42,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:07:42,451 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:42,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:42,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1368511151, now seen corresponding path program 1 times [2024-10-31 22:07:42,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:42,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158882206] [2024-10-31 22:07:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:42,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:42,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158882206] [2024-10-31 22:07:42,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158882206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:42,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:42,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:42,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547100387] [2024-10-31 22:07:42,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:42,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:42,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:42,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:42,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:42,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 159 [2024-10-31 22:07:42,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 128 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2024-10-31 22:07:42,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:42,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 159 [2024-10-31 22:07:42,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:42,629 INFO L124 PetriNetUnfolderBase]: 12/170 cut-off events. [2024-10-31 22:07:42,629 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-31 22:07:42,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 170 events. 12/170 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 319 event pairs, 2 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 150. Up to 18 conditions per place. [2024-10-31 22:07:42,631 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2024-10-31 22:07:42,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 128 transitions, 309 flow [2024-10-31 22:07:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-10-31 22:07:42,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2024-10-31 22:07:42,634 INFO L175 Difference]: Start difference. First operand has 131 places, 128 transitions, 284 flow. Second operand 3 states and 442 transitions. [2024-10-31 22:07:42,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 128 transitions, 309 flow [2024-10-31 22:07:42,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 128 transitions, 305 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:42,637 INFO L231 Difference]: Finished difference. Result has 130 places, 127 transitions, 282 flow [2024-10-31 22:07:42,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=127} [2024-10-31 22:07:42,639 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-10-31 22:07:42,640 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 127 transitions, 282 flow [2024-10-31 22:07:42,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2024-10-31 22:07:42,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:42,641 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:42,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:07:42,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:42,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:42,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1211871681, now seen corresponding path program 1 times [2024-10-31 22:07:42,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:42,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280919486] [2024-10-31 22:07:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:42,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:42,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:42,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280919486] [2024-10-31 22:07:42,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280919486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:42,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:42,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:42,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867300871] [2024-10-31 22:07:42,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:42,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:42,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:42,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:42,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:42,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-10-31 22:07:42,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 127 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-31 22:07:42,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:42,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-10-31 22:07:42,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:42,790 INFO L124 PetriNetUnfolderBase]: 10/179 cut-off events. [2024-10-31 22:07:42,790 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:07:42,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 179 events. 10/179 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 356 event pairs, 1 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 156. Up to 8 conditions per place. [2024-10-31 22:07:42,791 INFO L140 encePairwiseOnDemand]: 155/159 looper letters, 10 selfloop transitions, 1 changer transitions 0/124 dead transitions. [2024-10-31 22:07:42,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 298 flow [2024-10-31 22:07:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2024-10-31 22:07:42,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161425576519916 [2024-10-31 22:07:42,793 INFO L175 Difference]: Start difference. First operand has 130 places, 127 transitions, 282 flow. Second operand 3 states and 437 transitions. [2024-10-31 22:07:42,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 124 transitions, 298 flow [2024-10-31 22:07:42,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:42,796 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 274 flow [2024-10-31 22:07:42,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-10-31 22:07:42,798 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -11 predicate places. [2024-10-31 22:07:42,799 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 274 flow [2024-10-31 22:07:42,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-31 22:07:42,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:42,800 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:42,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:07:42,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:07:42,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash -621285704, now seen corresponding path program 1 times [2024-10-31 22:07:42,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:42,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917439107] [2024-10-31 22:07:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:42,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:42,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917439107] [2024-10-31 22:07:42,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917439107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:42,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:42,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:42,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318030360] [2024-10-31 22:07:42,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:42,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:42,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:42,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:42,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:42,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-10-31 22:07:42,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-31 22:07:42,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:42,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-10-31 22:07:42,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:43,019 INFO L124 PetriNetUnfolderBase]: 10/180 cut-off events. [2024-10-31 22:07:43,021 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:07:43,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 180 events. 10/180 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 331 event pairs, 1 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 151. Up to 10 conditions per place. [2024-10-31 22:07:43,022 INFO L140 encePairwiseOnDemand]: 153/159 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2024-10-31 22:07:43,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 123 transitions, 296 flow [2024-10-31 22:07:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-10-31 22:07:43,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2024-10-31 22:07:43,024 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 274 flow. Second operand 3 states and 438 transitions. [2024-10-31 22:07:43,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 123 transitions, 296 flow [2024-10-31 22:07:43,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 295 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:07:43,027 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2024-10-31 22:07:43,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2024-10-31 22:07:43,029 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -13 predicate places. [2024-10-31 22:07:43,030 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2024-10-31 22:07:43,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-31 22:07:43,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2024-10-31 22:07:43,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2024-10-31 22:07:43,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2024-10-31 22:07:43,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2024-10-31 22:07:43,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2024-10-31 22:07:43,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2024-10-31 22:07:43,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2024-10-31 22:07:43,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2024-10-31 22:07:43,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2024-10-31 22:07:43,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2024-10-31 22:07:43,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2024-10-31 22:07:43,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2024-10-31 22:07:43,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2024-10-31 22:07:43,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2024-10-31 22:07:43,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2024-10-31 22:07:43,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2024-10-31 22:07:43,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 26 remaining) [2024-10-31 22:07:43,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 26 remaining) [2024-10-31 22:07:43,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2024-10-31 22:07:43,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2024-10-31 22:07:43,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2024-10-31 22:07:43,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2024-10-31 22:07:43,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2024-10-31 22:07:43,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2024-10-31 22:07:43,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2024-10-31 22:07:43,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2024-10-31 22:07:43,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:07:43,049 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:43,056 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:07:43,056 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:43,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:43 BasicIcfg [2024-10-31 22:07:43,070 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:43,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:43,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:43,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:43,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:40" (3/4) ... [2024-10-31 22:07:43,074 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:07:43,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:07:43,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:07:43,084 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-31 22:07:43,085 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:07:43,085 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:07:43,085 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:07:43,194 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:07:43,195 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:07:43,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:43,198 INFO L158 Benchmark]: Toolchain (without parser) took 3705.38ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 66.1MB in the beginning and 155.8MB in the end (delta: -89.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:43,199 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:43,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.99ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 65.9MB in the beginning and 139.6MB in the end (delta: -73.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-31 22:07:43,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.93ms. Allocated memory is still 176.2MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:43,200 INFO L158 Benchmark]: Boogie Preprocessor took 27.81ms. Allocated memory is still 176.2MB. Free memory was 137.5MB in the beginning and 136.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:43,200 INFO L158 Benchmark]: RCFGBuilder took 701.75ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 135.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:07:43,200 INFO L158 Benchmark]: TraceAbstraction took 2432.11ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 134.0MB in the beginning and 161.0MB in the end (delta: -27.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-31 22:07:43,201 INFO L158 Benchmark]: Witness Printer took 127.22ms. Allocated memory is still 211.8MB. Free memory was 160.0MB in the beginning and 155.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:43,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.99ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 65.9MB in the beginning and 139.6MB in the end (delta: -73.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.93ms. Allocated memory is still 176.2MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.81ms. Allocated memory is still 176.2MB. Free memory was 137.5MB in the beginning and 136.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.75ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 135.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2432.11ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 134.0MB in the beginning and 161.0MB in the end (delta: -27.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 127.22ms. Allocated memory is still 211.8MB. Free memory was 160.0MB in the beginning and 155.8MB 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: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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, 200 locations, 26 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: 2.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 56 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.6s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:07:43,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293a7e59-0f77-4f2d-bf22-c6f302b4eefa/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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