./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 039f5312b62da5ff616f0ade8cc5a2dd494698e7519842b003d8d55f65a5fe6c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:18,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:18,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:02:18,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:18,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:18,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:18,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:18,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:18,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:18,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:18,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:18,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:18,560 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:18,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:18,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:18,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:18,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:18,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:18,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:18,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:18,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:18,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:18,569 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:02:18,570 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:02:18,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:18,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:18,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:18,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:18,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:18,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:18,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:18,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:18,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:18,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:18,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:18,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:18,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:18,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:18,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:18,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:18,577 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:18,577 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_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039f5312b62da5ff616f0ade8cc5a2dd494698e7519842b003d8d55f65a5fe6c [2023-11-06 22:02:18,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:18,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:18,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:18,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:18,959 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:18,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/chl-sre-subst.wvr.c [2023-11-06 22:02:22,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:22,502 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:22,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c [2023-11-06 22:02:22,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/data/9f3bb5949/6275557a619146b5bf60bb2e3877a20c/FLAG4be0e3995 [2023-11-06 22:02:22,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/data/9f3bb5949/6275557a619146b5bf60bb2e3877a20c [2023-11-06 22:02:22,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:22,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:22,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:22,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:22,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:22,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd90429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22, skipping insertion in model container [2023-11-06 22:02:22,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:22,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:22,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:22,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:22,875 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:22,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22 WrapperNode [2023-11-06 22:02:22,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:22,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:22,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:22,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:22,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,935 INFO L138 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2023-11-06 22:02:22,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:22,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:22,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:22,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:22,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:22,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:22,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:22,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:22,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (1/1) ... [2023-11-06 22:02:22,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:22,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:02:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:02:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:02:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:02:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:02:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:02:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:02:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:23,068 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:02:23,180 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:23,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:23,579 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:23,592 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:23,592 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:02:23,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:23 BoogieIcfgContainer [2023-11-06 22:02:23,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:23,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:23,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:23,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:23,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:22" (1/3) ... [2023-11-06 22:02:23,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe26f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:23, skipping insertion in model container [2023-11-06 22:02:23,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:22" (2/3) ... [2023-11-06 22:02:23,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe26f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:23, skipping insertion in model container [2023-11-06 22:02:23,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:23" (3/3) ... [2023-11-06 22:02:23,606 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2023-11-06 22:02:23,616 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:02:23,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:23,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-11-06 22:02:23,630 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:02:23,754 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:02:23,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 205 transitions, 431 flow [2023-11-06 22:02:23,968 INFO L124 PetriNetUnfolderBase]: 6/202 cut-off events. [2023-11-06 22:02:23,968 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:02:23,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 202 events. 6/202 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 259 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 115. Up to 2 conditions per place. [2023-11-06 22:02:23,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 205 transitions, 431 flow [2023-11-06 22:02:23,991 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 176 transitions, 370 flow [2023-11-06 22:02:23,995 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:02:24,005 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 176 transitions, 370 flow [2023-11-06 22:02:24,009 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 176 transitions, 370 flow [2023-11-06 22:02:24,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 176 transitions, 370 flow [2023-11-06 22:02:24,062 INFO L124 PetriNetUnfolderBase]: 4/176 cut-off events. [2023-11-06 22:02:24,063 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:02:24,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 176 events. 4/176 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 240 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-06 22:02:24,071 INFO L119 LiptonReduction]: Number of co-enabled transitions 6072 [2023-11-06 22:02:29,048 INFO L134 LiptonReduction]: Checked pairs total: 19526 [2023-11-06 22:02:29,049 INFO L136 LiptonReduction]: Total number of compositions: 161 [2023-11-06 22:02:29,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:29,073 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7232f15f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:29,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-06 22:02:29,075 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:02:29,076 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:02:29,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:02:29,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:29,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:02:29,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:02:29,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:29,083 INFO L85 PathProgramCache]: Analyzing trace with hash 690, now seen corresponding path program 1 times [2023-11-06 22:02:29,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:29,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143974333] [2023-11-06 22:02:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:29,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:29,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:29,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143974333] [2023-11-06 22:02:29,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143974333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:29,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:29,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:02:29,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264339090] [2023-11-06 22:02:29,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:29,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:02:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:02:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:29,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 366 [2023-11-06 22:02:29,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 136 flow. Second operand has 2 states, 2 states have (on average 196.5) internal successors, (393), 2 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:29,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 366 [2023-11-06 22:02:29,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:29,422 INFO L124 PetriNetUnfolderBase]: 465/770 cut-off events. [2023-11-06 22:02:29,423 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2023-11-06 22:02:29,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1513 conditions, 770 events. 465/770 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4009 event pairs, 333 based on Foata normal form. 1/570 useless extension candidates. Maximal degree in co-relation 1255. Up to 676 conditions per place. [2023-11-06 22:02:29,438 INFO L140 encePairwiseOnDemand]: 354/366 looper letters, 23 selfloop transitions, 0 changer transitions 1/47 dead transitions. [2023-11-06 22:02:29,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 47 transitions, 160 flow [2023-11-06 22:02:29,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:02:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:02:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 428 transitions. [2023-11-06 22:02:29,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5846994535519126 [2023-11-06 22:02:29,457 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 428 transitions. [2023-11-06 22:02:29,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 428 transitions. [2023-11-06 22:02:29,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:29,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 428 transitions. [2023-11-06 22:02:29,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 214.0) internal successors, (428), 2 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,498 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,500 INFO L175 Difference]: Start difference. First operand has 66 places, 59 transitions, 136 flow. Second operand 2 states and 428 transitions. [2023-11-06 22:02:29,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 47 transitions, 160 flow [2023-11-06 22:02:29,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 47 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:02:29,516 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 97 flow [2023-11-06 22:02:29,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=97, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-11-06 22:02:29,524 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -17 predicate places. [2023-11-06 22:02:29,524 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 97 flow [2023-11-06 22:02:29,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 196.5) internal successors, (393), 2 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,525 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:29,525 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 22:02:29,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:29,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:02:29,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:29,527 INFO L85 PathProgramCache]: Analyzing trace with hash 21260542, now seen corresponding path program 1 times [2023-11-06 22:02:29,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:29,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484684090] [2023-11-06 22:02:29,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:29,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:29,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:29,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484684090] [2023-11-06 22:02:29,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484684090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:29,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:29,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:29,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415487429] [2023-11-06 22:02:29,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:29,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:29,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:29,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:29,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:29,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 366 [2023-11-06 22:02:29,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:29,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 366 [2023-11-06 22:02:29,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:29,957 INFO L124 PetriNetUnfolderBase]: 981/1727 cut-off events. [2023-11-06 22:02:29,957 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 22:02:29,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3183 conditions, 1727 events. 981/1727 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 10730 event pairs, 243 based on Foata normal form. 0/1466 useless extension candidates. Maximal degree in co-relation 3180. Up to 1392 conditions per place. [2023-11-06 22:02:29,976 INFO L140 encePairwiseOnDemand]: 362/366 looper letters, 36 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-11-06 22:02:29,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 55 transitions, 193 flow [2023-11-06 22:02:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2023-11-06 22:02:29,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5528233151183971 [2023-11-06 22:02:29,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 607 transitions. [2023-11-06 22:02:29,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 607 transitions. [2023-11-06 22:02:29,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:29,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 607 transitions. [2023-11-06 22:02:29,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,996 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 97 flow. Second operand 3 states and 607 transitions. [2023-11-06 22:02:29,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 55 transitions, 193 flow [2023-11-06 22:02:29,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 193 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:29,999 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 107 flow [2023-11-06 22:02:30,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-11-06 22:02:30,001 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -17 predicate places. [2023-11-06 22:02:30,001 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 107 flow [2023-11-06 22:02:30,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:30,002 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:02:30,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:02:30,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:02:30,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:30,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1043440768, now seen corresponding path program 1 times [2023-11-06 22:02:30,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:30,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711209537] [2023-11-06 22:02:30,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:30,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:30,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711209537] [2023-11-06 22:02:30,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711209537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:30,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876654922] [2023-11-06 22:02:30,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:30,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:30,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:30,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:30,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:30,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 366 [2023-11-06 22:02:30,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:30,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 366 [2023-11-06 22:02:30,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:30,340 INFO L124 PetriNetUnfolderBase]: 1012/1713 cut-off events. [2023-11-06 22:02:30,340 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-06 22:02:30,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3219 conditions, 1713 events. 1012/1713 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 10167 event pairs, 228 based on Foata normal form. 0/1459 useless extension candidates. Maximal degree in co-relation 3215. Up to 1405 conditions per place. [2023-11-06 22:02:30,358 INFO L140 encePairwiseOnDemand]: 361/366 looper letters, 36 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2023-11-06 22:02:30,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 201 flow [2023-11-06 22:02:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2023-11-06 22:02:30,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5455373406193078 [2023-11-06 22:02:30,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2023-11-06 22:02:30,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2023-11-06 22:02:30,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:30,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2023-11-06 22:02:30,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,369 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 107 flow. Second operand 3 states and 599 transitions. [2023-11-06 22:02:30,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 201 flow [2023-11-06 22:02:30,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 54 transitions, 201 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:30,372 INFO L231 Difference]: Finished difference. Result has 49 places, 45 transitions, 115 flow [2023-11-06 22:02:30,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=49, PETRI_TRANSITIONS=45} [2023-11-06 22:02:30,373 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -17 predicate places. [2023-11-06 22:02:30,374 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 115 flow [2023-11-06 22:02:30,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:30,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:30,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:02:30,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:02:30,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2013081114, now seen corresponding path program 1 times [2023-11-06 22:02:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:30,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620261360] [2023-11-06 22:02:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:30,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:30,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620261360] [2023-11-06 22:02:30,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620261360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:30,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:30,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:30,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257314504] [2023-11-06 22:02:30,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:30,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:30,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:30,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:30,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:30,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 366 [2023-11-06 22:02:30,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 45 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:30,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 366 [2023-11-06 22:02:30,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:30,636 INFO L124 PetriNetUnfolderBase]: 565/944 cut-off events. [2023-11-06 22:02:30,636 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-06 22:02:30,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 944 events. 565/944 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5223 event pairs, 319 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 1824. Up to 643 conditions per place. [2023-11-06 22:02:30,647 INFO L140 encePairwiseOnDemand]: 362/366 looper letters, 33 selfloop transitions, 3 changer transitions 0/57 dead transitions. [2023-11-06 22:02:30,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 213 flow [2023-11-06 22:02:30,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2023-11-06 22:02:30,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5528233151183971 [2023-11-06 22:02:30,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 607 transitions. [2023-11-06 22:02:30,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 607 transitions. [2023-11-06 22:02:30,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:30,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 607 transitions. [2023-11-06 22:02:30,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,660 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,660 INFO L175 Difference]: Start difference. First operand has 49 places, 45 transitions, 115 flow. Second operand 3 states and 607 transitions. [2023-11-06 22:02:30,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 213 flow [2023-11-06 22:02:30,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 57 transitions, 213 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:30,663 INFO L231 Difference]: Finished difference. Result has 50 places, 44 transitions, 119 flow [2023-11-06 22:02:30,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=50, PETRI_TRANSITIONS=44} [2023-11-06 22:02:30,665 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -16 predicate places. [2023-11-06 22:02:30,666 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 44 transitions, 119 flow [2023-11-06 22:02:30,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:30,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:30,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:02:30,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:02:30,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:30,668 INFO L85 PathProgramCache]: Analyzing trace with hash -699481375, now seen corresponding path program 1 times [2023-11-06 22:02:30,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:30,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952702008] [2023-11-06 22:02:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:30,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:30,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952702008] [2023-11-06 22:02:30,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952702008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:30,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:30,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063118865] [2023-11-06 22:02:30,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:30,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:30,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:30,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:30,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:30,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 366 [2023-11-06 22:02:30,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 44 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:30,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 366 [2023-11-06 22:02:30,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:31,071 INFO L124 PetriNetUnfolderBase]: 1199/1805 cut-off events. [2023-11-06 22:02:31,072 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2023-11-06 22:02:31,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3875 conditions, 1805 events. 1199/1805 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8274 event pairs, 305 based on Foata normal form. 0/1588 useless extension candidates. Maximal degree in co-relation 3869. Up to 1708 conditions per place. [2023-11-06 22:02:31,091 INFO L140 encePairwiseOnDemand]: 360/366 looper letters, 34 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2023-11-06 22:02:31,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 217 flow [2023-11-06 22:02:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2023-11-06 22:02:31,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5382513661202186 [2023-11-06 22:02:31,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 591 transitions. [2023-11-06 22:02:31,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 591 transitions. [2023-11-06 22:02:31,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:31,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 591 transitions. [2023-11-06 22:02:31,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,103 INFO L175 Difference]: Start difference. First operand has 50 places, 44 transitions, 119 flow. Second operand 3 states and 591 transitions. [2023-11-06 22:02:31,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 217 flow [2023-11-06 22:02:31,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 51 transitions, 205 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:31,106 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 114 flow [2023-11-06 22:02:31,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2023-11-06 22:02:31,107 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -19 predicate places. [2023-11-06 22:02:31,108 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 114 flow [2023-11-06 22:02:31,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:31,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:31,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:02:31,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:02:31,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:31,110 INFO L85 PathProgramCache]: Analyzing trace with hash -209080406, now seen corresponding path program 1 times [2023-11-06 22:02:31,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:31,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199144878] [2023-11-06 22:02:31,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:31,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199144878] [2023-11-06 22:02:31,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199144878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:31,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:31,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:31,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247099943] [2023-11-06 22:02:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:31,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:31,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:31,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:31,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:31,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 366 [2023-11-06 22:02:31,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:31,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 366 [2023-11-06 22:02:31,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:31,365 INFO L124 PetriNetUnfolderBase]: 624/1007 cut-off events. [2023-11-06 22:02:31,366 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:02:31,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2017 conditions, 1007 events. 624/1007 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4969 event pairs, 322 based on Foata normal form. 0/744 useless extension candidates. Maximal degree in co-relation 2011. Up to 648 conditions per place. [2023-11-06 22:02:31,371 INFO L140 encePairwiseOnDemand]: 362/366 looper letters, 0 selfloop transitions, 0 changer transitions 52/52 dead transitions. [2023-11-06 22:02:31,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 52 transitions, 208 flow [2023-11-06 22:02:31,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 602 transitions. [2023-11-06 22:02:31,375 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5482695810564663 [2023-11-06 22:02:31,375 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 602 transitions. [2023-11-06 22:02:31,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 602 transitions. [2023-11-06 22:02:31,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:31,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 602 transitions. [2023-11-06 22:02:31,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,383 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 114 flow. Second operand 3 states and 602 transitions. [2023-11-06 22:02:31,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 52 transitions, 208 flow [2023-11-06 22:02:31,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 52 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:31,385 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2023-11-06 22:02:31,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2023-11-06 22:02:31,386 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -20 predicate places. [2023-11-06 22:02:31,386 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2023-11-06 22:02:31,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-06 22:02:31,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-06 22:02:31,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-06 22:02:31,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-06 22:02:31,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-06 22:02:31,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-06 22:02:31,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-11-06 22:02:31,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-11-06 22:02:31,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-11-06 22:02:31,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-11-06 22:02:31,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-06 22:02:31,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-06 22:02:31,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-06 22:02:31,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-06 22:02:31,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-06 22:02:31,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-06 22:02:31,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-06 22:02:31,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-06 22:02:31,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-11-06 22:02:31,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-06 22:02:31,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-06 22:02:31,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-06 22:02:31,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2023-11-06 22:02:31,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-11-06 22:02:31,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-06 22:02:31,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2023-11-06 22:02:31,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-11-06 22:02:31,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-11-06 22:02:31,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-11-06 22:02:31,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-06 22:02:31,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-06 22:02:31,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-06 22:02:31,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-06 22:02:31,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-06 22:02:31,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-06 22:02:31,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-06 22:02:31,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-06 22:02:31,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-06 22:02:31,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:02:31,400 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:02:31,407 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:02:31,407 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:02:31,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:02:31 BasicIcfg [2023-11-06 22:02:31,412 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:02:31,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:02:31,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:02:31,413 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:02:31,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:23" (3/4) ... [2023-11-06 22:02:31,415 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:02:31,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:02:31,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:02:31,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:02:31,426 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-06 22:02:31,427 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:02:31,427 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:02:31,428 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:02:31,488 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:02:31,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:02:31,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:02:31,490 INFO L158 Benchmark]: Toolchain (without parser) took 8943.26ms. Allocated memory was 148.9MB in the beginning and 239.1MB in the end (delta: 90.2MB). Free memory was 110.4MB in the beginning and 183.0MB in the end (delta: -72.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-06 22:02:31,490 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:31,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.95ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 99.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:02:31,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.04ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:02:31,492 INFO L158 Benchmark]: Boogie Preprocessor took 36.34ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 95.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:31,492 INFO L158 Benchmark]: RCFGBuilder took 621.63ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 76.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:02:31,493 INFO L158 Benchmark]: TraceAbstraction took 7813.65ms. Allocated memory was 148.9MB in the beginning and 239.1MB in the end (delta: 90.2MB). Free memory was 75.4MB in the beginning and 187.1MB in the end (delta: -111.7MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2023-11-06 22:02:31,493 INFO L158 Benchmark]: Witness Printer took 76.94ms. Allocated memory is still 239.1MB. Free memory was 187.1MB in the beginning and 183.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:02:31,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.95ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 99.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.04ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.34ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 95.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.63ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 76.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7813.65ms. Allocated memory was 148.9MB in the beginning and 239.1MB in the end (delta: 90.2MB). Free memory was 75.4MB in the beginning and 187.1MB in the end (delta: -111.7MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * Witness Printer took 76.94ms. Allocated memory is still 239.1MB. Free memory was 187.1MB in the beginning and 183.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 182 PlacesBefore, 66 PlacesAfterwards, 176 TransitionsBefore, 59 TransitionsAfterwards, 6072 CoEnabledTransitionPairs, 6 FixpointIterations, 82 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 161 TotalNumberOfCompositions, 19526 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10702, independent: 10329, independent conditional: 0, independent unconditional: 10329, dependent: 373, dependent conditional: 0, dependent unconditional: 373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3472, independent: 3427, independent conditional: 0, independent unconditional: 3427, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10702, independent: 6902, independent conditional: 0, independent unconditional: 6902, dependent: 328, dependent conditional: 0, dependent unconditional: 328, unknown: 3472, unknown conditional: 0, unknown unconditional: 3472] , Statistics on independence cache: Total cache size (in pairs): 520, Positive cache size: 491, Positive conditional cache size: 0, Positive unconditional cache size: 491, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 269 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 30 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:02:31,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367bd3d9-3879-4748-9b8c-9a9379afcaef/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE