./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/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_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/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_15081715-156c-4b17-8705-be7f48d3e785/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 672ab63d50f6d257836fb16bc257f69b3b166ee79333dc7cfe86a969c93c0f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:17,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:17,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:55:17,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:17,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:17,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:17,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:17,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:17,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:55:17,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:55:17,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:17,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:17,436 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:17,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:17,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:55:17,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:17,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:55:17,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:17,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:17,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:55:17,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:55:17,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:55:17,442 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:55:17,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:55:17,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:17,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:55:17,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:17,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:17,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:17,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:55:17,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:17,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:17,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:55:17,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:55:17,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:55:17,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:55:17,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:55:17,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:55:17,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:55:17,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:55:17,450 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:55:17,451 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_15081715-156c-4b17-8705-be7f48d3e785/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672ab63d50f6d257836fb16bc257f69b3b166ee79333dc7cfe86a969c93c0f7f [2023-11-06 22:55:17,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:17,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:17,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:17,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:17,767 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:17,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2023-11-06 22:55:20,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:21,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:21,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2023-11-06 22:55:21,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/data/1fe435037/cd11e3a2510741da8ff55cf71f5275b2/FLAG24d568610 [2023-11-06 22:55:21,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/data/1fe435037/cd11e3a2510741da8ff55cf71f5275b2 [2023-11-06 22:55:21,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:21,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:21,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:21,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:21,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:21,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f876e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21, skipping insertion in model container [2023-11-06 22:55:21,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:21,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:21,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:21,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:21,450 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:55:21,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21 WrapperNode [2023-11-06 22:55:21,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:21,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:21,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:55:21,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:55:21,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,499 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-06 22:55:21,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:21,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:55:21,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:55:21,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:55:21,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:55:21,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:55:21,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:55:21,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:55:21,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (1/1) ... [2023-11-06 22:55:21,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:21,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:21,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:55:21,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:55:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:55:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:55:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:55:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:55:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:55:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:55:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:55:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:55:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:55:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:55:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:55:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:55:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:55:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:55:21,650 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 22:55:21,826 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:55:21,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:55:22,251 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:55:22,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:55:22,261 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:55:22,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:22 BoogieIcfgContainer [2023-11-06 22:55:22,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:55:22,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:55:22,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:55:22,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:55:22,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:21" (1/3) ... [2023-11-06 22:55:22,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d98f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:22, skipping insertion in model container [2023-11-06 22:55:22,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:21" (2/3) ... [2023-11-06 22:55:22,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d98f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:22, skipping insertion in model container [2023-11-06 22:55:22,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:22" (3/3) ... [2023-11-06 22:55:22,274 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2023-11-06 22:55:22,283 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:55:22,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:55:22,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-11-06 22:55:22,294 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:55:22,411 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:55:22,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 196 transitions, 413 flow [2023-11-06 22:55:22,572 INFO L124 PetriNetUnfolderBase]: 6/193 cut-off events. [2023-11-06 22:55:22,572 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:55:22,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 193 events. 6/193 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 260 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 106. Up to 2 conditions per place. [2023-11-06 22:55:22,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 196 transitions, 413 flow [2023-11-06 22:55:22,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 166 transitions, 350 flow [2023-11-06 22:55:22,606 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:55:22,627 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 166 transitions, 350 flow [2023-11-06 22:55:22,637 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 166 transitions, 350 flow [2023-11-06 22:55:22,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 172 places, 166 transitions, 350 flow [2023-11-06 22:55:22,718 INFO L124 PetriNetUnfolderBase]: 4/166 cut-off events. [2023-11-06 22:55:22,718 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:55:22,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 166 events. 4/166 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 244 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-06 22:55:22,730 INFO L119 LiptonReduction]: Number of co-enabled transitions 6072 [2023-11-06 22:55:27,880 INFO L134 LiptonReduction]: Checked pairs total: 19467 [2023-11-06 22:55:27,880 INFO L136 LiptonReduction]: Total number of compositions: 149 [2023-11-06 22:55:27,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:55:27,904 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;@20b8e9ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:55:27,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-11-06 22:55:27,905 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:55:27,906 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:55:27,906 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:55:27,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:55:27,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:55:27,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-06 22:55:27,912 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash 661, now seen corresponding path program 1 times [2023-11-06 22:55:27,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:27,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265622702] [2023-11-06 22:55:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:28,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:28,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265622702] [2023-11-06 22:55:28,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265622702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:28,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:28,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:55:28,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737263634] [2023-11-06 22:55:28,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:28,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:55:28,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:28,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:55:28,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:55:28,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 345 [2023-11-06 22:55:28,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 188.5) internal successors, (377), 2 states have internal predecessors, (377), 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 22:55:28,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:55:28,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 345 [2023-11-06 22:55:28,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:55:28,334 INFO L124 PetriNetUnfolderBase]: 465/770 cut-off events. [2023-11-06 22:55:28,334 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2023-11-06 22:55:28,339 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 70. Compared 4011 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 22:55:28,372 INFO L140 encePairwiseOnDemand]: 335/345 looper letters, 23 selfloop transitions, 0 changer transitions 1/47 dead transitions. [2023-11-06 22:55:28,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 47 transitions, 160 flow [2023-11-06 22:55:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:55:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:55:28,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 410 transitions. [2023-11-06 22:55:28,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5942028985507246 [2023-11-06 22:55:28,400 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 410 transitions. [2023-11-06 22:55:28,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 410 transitions. [2023-11-06 22:55:28,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:55:28,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 410 transitions. [2023-11-06 22:55:28,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 205.0) internal successors, (410), 2 states have internal predecessors, (410), 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 22:55:28,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 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 22:55:28,424 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 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 22:55:28,426 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 132 flow. Second operand 2 states and 410 transitions. [2023-11-06 22:55:28,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 47 transitions, 160 flow [2023-11-06 22:55:28,436 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 22:55:28,439 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 97 flow [2023-11-06 22:55:28,442 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, 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 22:55:28,447 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-11-06 22:55:28,447 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 97 flow [2023-11-06 22:55:28,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 188.5) internal successors, (377), 2 states have internal predecessors, (377), 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 22:55:28,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:55:28,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 22:55:28,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:55:28,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-06 22:55:28,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash 20348938, now seen corresponding path program 1 times [2023-11-06 22:55:28,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:28,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24169268] [2023-11-06 22:55:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:28,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:28,616 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 22:55:28,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:28,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24169268] [2023-11-06 22:55:28,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24169268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:28,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:28,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:28,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770585716] [2023-11-06 22:55:28,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:28,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:28,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:28,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:28,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:28,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 345 [2023-11-06 22:55:28,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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 22:55:28,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:55:28,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 345 [2023-11-06 22:55:28,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:55:28,908 INFO L124 PetriNetUnfolderBase]: 937/1620 cut-off events. [2023-11-06 22:55:28,908 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-06 22:55:28,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3000 conditions, 1620 events. 937/1620 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 9620 event pairs, 477 based on Foata normal form. 0/1374 useless extension candidates. Maximal degree in co-relation 2997. Up to 1314 conditions per place. [2023-11-06 22:55:28,925 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 36 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-11-06 22:55:28,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 55 transitions, 193 flow [2023-11-06 22:55:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:55:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 583 transitions. [2023-11-06 22:55:28,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632850241545894 [2023-11-06 22:55:28,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 583 transitions. [2023-11-06 22:55:28,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 583 transitions. [2023-11-06 22:55:28,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:55:28,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 583 transitions. [2023-11-06 22:55:28,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 22:55:28,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:28,941 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:28,944 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 97 flow. Second operand 3 states and 583 transitions. [2023-11-06 22:55:28,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 55 transitions, 193 flow [2023-11-06 22:55:28,946 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 22:55:28,948 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 107 flow [2023-11-06 22:55:28,949 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, 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 22:55:28,950 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-11-06 22:55:28,951 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 107 flow [2023-11-06 22:55:28,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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 22:55:28,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:55:28,957 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:55:28,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:55:28,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-06 22:55:28,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:28,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1919492788, now seen corresponding path program 1 times [2023-11-06 22:55:28,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:28,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109463714] [2023-11-06 22:55:28,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:28,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,029 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 22:55:29,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:29,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109463714] [2023-11-06 22:55:29,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109463714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:29,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:29,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:29,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981899308] [2023-11-06 22:55:29,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:29,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:29,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:29,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:29,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:29,048 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 345 [2023-11-06 22:55:29,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 22:55:29,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:55:29,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 345 [2023-11-06 22:55:29,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:55:29,352 INFO L124 PetriNetUnfolderBase]: 1048/1869 cut-off events. [2023-11-06 22:55:29,353 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-06 22:55:29,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3434 conditions, 1869 events. 1048/1869 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 12050 event pairs, 246 based on Foata normal form. 0/1613 useless extension candidates. Maximal degree in co-relation 3430. Up to 1483 conditions per place. [2023-11-06 22:55:29,371 INFO L140 encePairwiseOnDemand]: 340/345 looper letters, 36 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2023-11-06 22:55:29,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 201 flow [2023-11-06 22:55:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:55:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2023-11-06 22:55:29,374 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2023-11-06 22:55:29,375 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2023-11-06 22:55:29,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2023-11-06 22:55:29,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:55:29,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2023-11-06 22:55:29,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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 22:55:29,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:29,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:29,382 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 107 flow. Second operand 3 states and 575 transitions. [2023-11-06 22:55:29,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 201 flow [2023-11-06 22:55:29,383 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 22:55:29,385 INFO L231 Difference]: Finished difference. Result has 49 places, 45 transitions, 115 flow [2023-11-06 22:55:29,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, 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 22:55:29,386 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-11-06 22:55:29,386 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 115 flow [2023-11-06 22:55:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 22:55:29,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:55:29,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:29,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:55:29,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-06 22:55:29,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:29,388 INFO L85 PathProgramCache]: Analyzing trace with hash 625271818, now seen corresponding path program 1 times [2023-11-06 22:55:29,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:29,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130556252] [2023-11-06 22:55:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:29,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,437 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 22:55:29,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:29,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130556252] [2023-11-06 22:55:29,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130556252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:29,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:29,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:29,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267640649] [2023-11-06 22:55:29,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:29,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:29,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:29,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:29,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 345 [2023-11-06 22:55:29,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 45 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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 22:55:29,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:55:29,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 345 [2023-11-06 22:55:29,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:55:29,641 INFO L124 PetriNetUnfolderBase]: 565/944 cut-off events. [2023-11-06 22:55:29,641 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-06 22:55:29,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 944 events. 565/944 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5207 event pairs, 319 based on Foata normal form. 0/702 useless extension candidates. Maximal degree in co-relation 1822. Up to 643 conditions per place. [2023-11-06 22:55:29,652 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 33 selfloop transitions, 3 changer transitions 0/57 dead transitions. [2023-11-06 22:55:29,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 213 flow [2023-11-06 22:55:29,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:55:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 583 transitions. [2023-11-06 22:55:29,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632850241545894 [2023-11-06 22:55:29,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 583 transitions. [2023-11-06 22:55:29,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 583 transitions. [2023-11-06 22:55:29,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:55:29,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 583 transitions. [2023-11-06 22:55:29,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 22:55:29,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:29,663 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:29,664 INFO L175 Difference]: Start difference. First operand has 49 places, 45 transitions, 115 flow. Second operand 3 states and 583 transitions. [2023-11-06 22:55:29,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 213 flow [2023-11-06 22:55:29,665 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 22:55:29,666 INFO L231 Difference]: Finished difference. Result has 50 places, 44 transitions, 119 flow [2023-11-06 22:55:29,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, 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 22:55:29,669 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -14 predicate places. [2023-11-06 22:55:29,669 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 44 transitions, 119 flow [2023-11-06 22:55:29,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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 22:55:29,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:55:29,670 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:29,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:55:29,671 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-06 22:55:29,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:29,671 INFO L85 PathProgramCache]: Analyzing trace with hash -829141457, now seen corresponding path program 1 times [2023-11-06 22:55:29,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:29,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738325947] [2023-11-06 22:55:29,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:29,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:29,733 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 22:55:29,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:29,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738325947] [2023-11-06 22:55:29,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738325947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:29,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:29,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:29,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637528979] [2023-11-06 22:55:29,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:29,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:29,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:29,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:29,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 345 [2023-11-06 22:55:29,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 44 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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 22:55:29,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:55:29,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 345 [2023-11-06 22:55:29,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:55:30,076 INFO L124 PetriNetUnfolderBase]: 1199/1804 cut-off events. [2023-11-06 22:55:30,076 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2023-11-06 22:55:30,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3874 conditions, 1804 events. 1199/1804 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8196 event pairs, 305 based on Foata normal form. 0/1587 useless extension candidates. Maximal degree in co-relation 3868. Up to 1708 conditions per place. [2023-11-06 22:55:30,093 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 34 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2023-11-06 22:55:30,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 217 flow [2023-11-06 22:55:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:55:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-06 22:55:30,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5478260869565217 [2023-11-06 22:55:30,097 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-06 22:55:30,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-06 22:55:30,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:55:30,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-06 22:55:30,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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 22:55:30,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:30,104 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:30,104 INFO L175 Difference]: Start difference. First operand has 50 places, 44 transitions, 119 flow. Second operand 3 states and 567 transitions. [2023-11-06 22:55:30,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 217 flow [2023-11-06 22:55:30,106 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 22:55:30,107 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 114 flow [2023-11-06 22:55:30,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, 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 22:55:30,108 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -17 predicate places. [2023-11-06 22:55:30,108 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 114 flow [2023-11-06 22:55:30,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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 22:55:30,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:55:30,110 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:30,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:55:30,110 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-06 22:55:30,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:30,111 INFO L85 PathProgramCache]: Analyzing trace with hash 66424113, now seen corresponding path program 1 times [2023-11-06 22:55:30,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:30,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787914593] [2023-11-06 22:55:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:30,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:30,153 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 22:55:30,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:30,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787914593] [2023-11-06 22:55:30,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787914593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:30,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:30,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:30,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121754938] [2023-11-06 22:55:30,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:30,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:30,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:30,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:30,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 345 [2023-11-06 22:55:30,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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 22:55:30,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:55:30,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 345 [2023-11-06 22:55:30,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:55:30,356 INFO L124 PetriNetUnfolderBase]: 624/1007 cut-off events. [2023-11-06 22:55:30,356 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:55:30,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2015 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 4866 event pairs, 322 based on Foata normal form. 0/742 useless extension candidates. Maximal degree in co-relation 2009. Up to 648 conditions per place. [2023-11-06 22:55:30,362 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 0 selfloop transitions, 0 changer transitions 52/52 dead transitions. [2023-11-06 22:55:30,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 52 transitions, 208 flow [2023-11-06 22:55:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:55:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 581 transitions. [2023-11-06 22:55:30,366 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.561352657004831 [2023-11-06 22:55:30,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 581 transitions. [2023-11-06 22:55:30,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 581 transitions. [2023-11-06 22:55:30,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:55:30,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 581 transitions. [2023-11-06 22:55:30,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 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 22:55:30,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:30,374 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 345.0) internal successors, (1380), 4 states have internal predecessors, (1380), 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 22:55:30,374 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 114 flow. Second operand 3 states and 581 transitions. [2023-11-06 22:55:30,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 52 transitions, 208 flow [2023-11-06 22:55:30,375 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 22:55:30,376 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2023-11-06 22:55:30,376 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, 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 22:55:30,377 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -18 predicate places. [2023-11-06 22:55:30,378 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2023-11-06 22:55:30,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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 22:55:30,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-11-06 22:55:30,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-11-06 22:55:30,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-11-06 22:55:30,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-11-06 22:55:30,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-11-06 22:55:30,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-11-06 22:55:30,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-11-06 22:55:30,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-11-06 22:55:30,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2023-11-06 22:55:30,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2023-11-06 22:55:30,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-11-06 22:55:30,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-11-06 22:55:30,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-11-06 22:55:30,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-11-06 22:55:30,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-11-06 22:55:30,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-11-06 22:55:30,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-11-06 22:55:30,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-11-06 22:55:30,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-11-06 22:55:30,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2023-11-06 22:55:30,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2023-11-06 22:55:30,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2023-11-06 22:55:30,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2023-11-06 22:55:30,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2023-11-06 22:55:30,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-11-06 22:55:30,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-11-06 22:55:30,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-11-06 22:55:30,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-11-06 22:55:30,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-11-06 22:55:30,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-11-06 22:55:30,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-11-06 22:55:30,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-11-06 22:55:30,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-11-06 22:55:30,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-11-06 22:55:30,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-11-06 22:55:30,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2023-11-06 22:55:30,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:55:30,391 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:55:30,397 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:55:30,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:55:30,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:55:30 BasicIcfg [2023-11-06 22:55:30,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:55:30,402 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:55:30,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:55:30,403 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:55:30,403 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:22" (3/4) ... [2023-11-06 22:55:30,405 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:55:30,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:55:30,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:55:30,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:55:30,416 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:55:30,416 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:55:30,417 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:55:30,417 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:55:30,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:55:30,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:55:30,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:55:30,496 INFO L158 Benchmark]: Toolchain (without parser) took 9350.15ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 115.3MB in the beginning and 225.2MB in the end (delta: -110.0MB). Peak memory consumption was 142.8MB. Max. memory is 16.1GB. [2023-11-06 22:55:30,497 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:30,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.48ms. Allocated memory is still 159.4MB. Free memory was 115.3MB in the beginning and 103.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:55:30,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.90ms. Allocated memory is still 159.4MB. Free memory was 103.5MB in the beginning and 101.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:30,498 INFO L158 Benchmark]: Boogie Preprocessor took 44.05ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:30,498 INFO L158 Benchmark]: RCFGBuilder took 719.23ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 122.2MB in the end (delta: -22.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-06 22:55:30,499 INFO L158 Benchmark]: TraceAbstraction took 8134.98ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 121.5MB in the beginning and 78.8MB in the end (delta: 42.7MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2023-11-06 22:55:30,499 INFO L158 Benchmark]: Witness Printer took 93.27ms. Allocated memory is still 260.0MB. Free memory was 78.8MB in the beginning and 225.2MB in the end (delta: -146.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:55:30,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.48ms. Allocated memory is still 159.4MB. Free memory was 115.3MB in the beginning and 103.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.90ms. Allocated memory is still 159.4MB. Free memory was 103.5MB in the beginning and 101.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.05ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 719.23ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 122.2MB in the end (delta: -22.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8134.98ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 121.5MB in the beginning and 78.8MB in the end (delta: 42.7MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. * Witness Printer took 93.27ms. Allocated memory is still 260.0MB. Free memory was 78.8MB in the beginning and 225.2MB in the end (delta: -146.4MB). 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: 5.2s, 172 PlacesBefore, 64 PlacesAfterwards, 166 TransitionsBefore, 57 TransitionsAfterwards, 6072 CoEnabledTransitionPairs, 6 FixpointIterations, 68 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 149 TotalNumberOfCompositions, 19467 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10173, independent: 9802, independent conditional: 0, independent unconditional: 9802, dependent: 371, dependent conditional: 0, dependent unconditional: 371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3536, independent: 3495, independent conditional: 0, independent unconditional: 3495, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173, independent: 6307, independent conditional: 0, independent unconditional: 6307, dependent: 330, dependent conditional: 0, dependent unconditional: 330, unknown: 3536, unknown conditional: 0, unknown unconditional: 3536] , Statistics on independence cache: Total cache size (in pairs): 509, Positive cache size: 481, Positive conditional cache size: 0, Positive unconditional cache size: 481, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, 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: 75]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 260 locations, 36 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: 7.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 26 mSDtfsCounter, 310 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=132occurred 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, 0.2s 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:55:30,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15081715-156c-4b17-8705-be7f48d3e785/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE