./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:47:21,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:47:21,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:47:21,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:47:21,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:47:21,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:47:21,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:47:21,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:47:21,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:47:21,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:47:21,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:47:21,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:47:21,449 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:47:21,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:47:21,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:47:21,450 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:47:21,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:47:21,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:47:21,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:47:21,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:47:21,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:47:21,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:47:21,456 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:47:21,456 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:47:21,457 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:47:21,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:47:21,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:47:21,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:47:21,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:47:21,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:47:21,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:47:21,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:47:21,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:47:21,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:47:21,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:47:21,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:47:21,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:47:21,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:47:21,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:47:21,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:47:21,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:47:21,462 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_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c [2023-11-29 04:47:21,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:47:21,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:47:21,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:47:21,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:47:21,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:47:21,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i [2023-11-29 04:47:24,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:47:24,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:47:24,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i [2023-11-29 04:47:24,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/data/749e208da/4c289ddaef384eb5a28f3d7720355d3e/FLAG811741236 [2023-11-29 04:47:24,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/data/749e208da/4c289ddaef384eb5a28f3d7720355d3e [2023-11-29 04:47:24,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:47:24,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:47:24,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:47:24,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:47:24,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:47:24,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:47:24" (1/1) ... [2023-11-29 04:47:24,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ea837f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:24, skipping insertion in model container [2023-11-29 04:47:24,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:47:24" (1/1) ... [2023-11-29 04:47:24,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:47:25,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:47:25,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:47:25,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:47:25,186 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:47:25,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25 WrapperNode [2023-11-29 04:47:25,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:47:25,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:47:25,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:47:25,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:47:25,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,230 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-11-29 04:47:25,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:47:25,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:47:25,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:47:25,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:47:25,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:47:25,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:47:25,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:47:25,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:47:25,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (1/1) ... [2023-11-29 04:47:25,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:47:25,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:25,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:47:25,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:47:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:47:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 04:47:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:47:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:47:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 04:47:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 04:47:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:47:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:47:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 04:47:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:47:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:47:25,339 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:47:25,449 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:47:25,451 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:47:25,582 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:47:25,603 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:47:25,604 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:47:25,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:25 BoogieIcfgContainer [2023-11-29 04:47:25,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:47:25,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:47:25,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:47:25,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:47:25,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:47:24" (1/3) ... [2023-11-29 04:47:25,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd88126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:47:25, skipping insertion in model container [2023-11-29 04:47:25,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:25" (2/3) ... [2023-11-29 04:47:25,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd88126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:47:25, skipping insertion in model container [2023-11-29 04:47:25,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:25" (3/3) ... [2023-11-29 04:47:25,614 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.i [2023-11-29 04:47:25,621 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:47:25,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:47:25,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 04:47:25,629 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:47:25,674 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 04:47:25,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 136 flow [2023-11-29 04:47:25,740 INFO L124 PetriNetUnfolderBase]: 0/65 cut-off events. [2023-11-29 04:47:25,741 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:47:25,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 0/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-29 04:47:25,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 66 transitions, 136 flow [2023-11-29 04:47:25,748 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 65 transitions, 133 flow [2023-11-29 04:47:25,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:47:25,764 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@586334f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:47:25,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-29 04:47:25,774 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:47:25,774 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2023-11-29 04:47:25,775 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:47:25,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:47:25,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:25,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 04:47:25,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:25,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1204247667, now seen corresponding path program 1 times [2023-11-29 04:47:25,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:25,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601196343] [2023-11-29 04:47:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:26,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601196343] [2023-11-29 04:47:26,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601196343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:26,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:26,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:47:26,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157968427] [2023-11-29 04:47:26,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:26,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:47:26,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:26,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:47:26,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:47:26,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 66 [2023-11-29 04:47:26,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2023-11-29 04:47:26,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:47:26,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 66 [2023-11-29 04:47:26,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:47:26,167 INFO L124 PetriNetUnfolderBase]: 31/215 cut-off events. [2023-11-29 04:47:26,167 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 04:47:26,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 215 events. 31/215 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 920 event pairs, 13 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 269. Up to 44 conditions per place. [2023-11-29 04:47:26,173 INFO L140 encePairwiseOnDemand]: 58/66 looper letters, 17 selfloop transitions, 6 changer transitions 0/75 dead transitions. [2023-11-29 04:47:26,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 75 transitions, 199 flow [2023-11-29 04:47:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:47:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:47:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2023-11-29 04:47:26,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2023-11-29 04:47:26,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 184 transitions. [2023-11-29 04:47:26,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 184 transitions. [2023-11-29 04:47:26,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:47:26,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 184 transitions. [2023-11-29 04:47:26,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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) [2023-11-29 04:47:26,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,200 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,202 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 133 flow. Second operand 3 states and 184 transitions. [2023-11-29 04:47:26,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 75 transitions, 199 flow [2023-11-29 04:47:26,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 75 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:47:26,209 INFO L231 Difference]: Finished difference. Result has 72 places, 71 transitions, 184 flow [2023-11-29 04:47:26,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=72, PETRI_TRANSITIONS=71} [2023-11-29 04:47:26,215 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, 3 predicate places. [2023-11-29 04:47:26,215 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 71 transitions, 184 flow [2023-11-29 04:47:26,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2023-11-29 04:47:26,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:47:26,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:26,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:47:26,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 04:47:26,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:26,217 INFO L85 PathProgramCache]: Analyzing trace with hash -876061810, now seen corresponding path program 1 times [2023-11-29 04:47:26,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:26,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445661222] [2023-11-29 04:47:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:26,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445661222] [2023-11-29 04:47:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445661222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:26,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:47:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352373112] [2023-11-29 04:47:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:26,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:47:26,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:26,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:47:26,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:47:26,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 66 [2023-11-29 04:47:26,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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) [2023-11-29 04:47:26,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:47:26,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 66 [2023-11-29 04:47:26,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:47:26,409 INFO L124 PetriNetUnfolderBase]: 46/281 cut-off events. [2023-11-29 04:47:26,410 INFO L125 PetriNetUnfolderBase]: For 89/94 co-relation queries the response was YES. [2023-11-29 04:47:26,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 281 events. 46/281 cut-off events. For 89/94 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1371 event pairs, 21 based on Foata normal form. 3/265 useless extension candidates. Maximal degree in co-relation 454. Up to 86 conditions per place. [2023-11-29 04:47:26,413 INFO L140 encePairwiseOnDemand]: 60/66 looper letters, 16 selfloop transitions, 7 changer transitions 1/78 dead transitions. [2023-11-29 04:47:26,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 78 transitions, 256 flow [2023-11-29 04:47:26,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:47:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:47:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2023-11-29 04:47:26,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9040404040404041 [2023-11-29 04:47:26,417 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 179 transitions. [2023-11-29 04:47:26,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 179 transitions. [2023-11-29 04:47:26,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:47:26,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 179 transitions. [2023-11-29 04:47:26,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2023-11-29 04:47:26,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,422 INFO L175 Difference]: Start difference. First operand has 72 places, 71 transitions, 184 flow. Second operand 3 states and 179 transitions. [2023-11-29 04:47:26,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 78 transitions, 256 flow [2023-11-29 04:47:26,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 78 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:47:26,427 INFO L231 Difference]: Finished difference. Result has 74 places, 76 transitions, 228 flow [2023-11-29 04:47:26,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=74, PETRI_TRANSITIONS=76} [2023-11-29 04:47:26,428 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, 5 predicate places. [2023-11-29 04:47:26,429 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 76 transitions, 228 flow [2023-11-29 04:47:26,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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) [2023-11-29 04:47:26,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:47:26,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:26,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:47:26,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 04:47:26,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:26,431 INFO L85 PathProgramCache]: Analyzing trace with hash 129701290, now seen corresponding path program 1 times [2023-11-29 04:47:26,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:26,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109745173] [2023-11-29 04:47:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:26,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:26,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:26,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109745173] [2023-11-29 04:47:26,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109745173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:26,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:26,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:47:26,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072534321] [2023-11-29 04:47:26,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:26,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:47:26,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:26,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:47:26,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:47:26,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2023-11-29 04:47:26,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 76 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2023-11-29 04:47:26,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:47:26,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2023-11-29 04:47:26,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:47:26,617 INFO L124 PetriNetUnfolderBase]: 65/354 cut-off events. [2023-11-29 04:47:26,617 INFO L125 PetriNetUnfolderBase]: For 199/207 co-relation queries the response was YES. [2023-11-29 04:47:26,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 354 events. 65/354 cut-off events. For 199/207 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1876 event pairs, 25 based on Foata normal form. 2/338 useless extension candidates. Maximal degree in co-relation 659. Up to 115 conditions per place. [2023-11-29 04:47:26,621 INFO L140 encePairwiseOnDemand]: 60/66 looper letters, 17 selfloop transitions, 7 changer transitions 7/83 dead transitions. [2023-11-29 04:47:26,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 83 transitions, 314 flow [2023-11-29 04:47:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:47:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:47:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2023-11-29 04:47:26,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8838383838383839 [2023-11-29 04:47:26,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 175 transitions. [2023-11-29 04:47:26,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 175 transitions. [2023-11-29 04:47:26,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:47:26,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 175 transitions. [2023-11-29 04:47:26,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-11-29 04:47:26,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,626 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,627 INFO L175 Difference]: Start difference. First operand has 74 places, 76 transitions, 228 flow. Second operand 3 states and 175 transitions. [2023-11-29 04:47:26,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 83 transitions, 314 flow [2023-11-29 04:47:26,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 83 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:47:26,631 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 246 flow [2023-11-29 04:47:26,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2023-11-29 04:47:26,633 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, 7 predicate places. [2023-11-29 04:47:26,633 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 246 flow [2023-11-29 04:47:26,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2023-11-29 04:47:26,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:47:26,633 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:26,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:47:26,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 04:47:26,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:26,634 INFO L85 PathProgramCache]: Analyzing trace with hash 421437482, now seen corresponding path program 1 times [2023-11-29 04:47:26,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:26,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482577346] [2023-11-29 04:47:26,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:26,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:26,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482577346] [2023-11-29 04:47:26,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482577346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:26,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:47:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894228036] [2023-11-29 04:47:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:26,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:47:26,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:26,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:47:26,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:47:26,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 66 [2023-11-29 04:47:26,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2023-11-29 04:47:26,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:47:26,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 66 [2023-11-29 04:47:26,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:47:26,810 INFO L124 PetriNetUnfolderBase]: 1/88 cut-off events. [2023-11-29 04:47:26,810 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-29 04:47:26,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 88 events. 1/88 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 1 based on Foata normal form. 2/90 useless extension candidates. Maximal degree in co-relation 108. Up to 8 conditions per place. [2023-11-29 04:47:26,811 INFO L140 encePairwiseOnDemand]: 62/66 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2023-11-29 04:47:26,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 61 transitions, 174 flow [2023-11-29 04:47:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:47:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:47:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2023-11-29 04:47:26,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2023-11-29 04:47:26,813 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 186 transitions. [2023-11-29 04:47:26,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 186 transitions. [2023-11-29 04:47:26,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:47:26,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 186 transitions. [2023-11-29 04:47:26,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-11-29 04:47:26,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2023-11-29 04:47:26,815 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 246 flow. Second operand 3 states and 186 transitions. [2023-11-29 04:47:26,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 61 transitions, 174 flow [2023-11-29 04:47:26,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 61 transitions, 138 flow, removed 8 selfloop flow, removed 8 redundant places. [2023-11-29 04:47:26,818 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2023-11-29 04:47:26,818 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2023-11-29 04:47:26,819 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, -3 predicate places. [2023-11-29 04:47:26,819 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2023-11-29 04:47:26,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2023-11-29 04:47:26,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-29 04:47:26,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-29 04:47:26,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-29 04:47:26,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-29 04:47:26,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-29 04:47:26,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-29 04:47:26,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-29 04:47:26,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:47:26,824 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 04:47:26,830 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:47:26,830 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:47:26,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:47:26 BasicIcfg [2023-11-29 04:47:26,836 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:47:26,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:47:26,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:47:26,837 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:47:26,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:25" (3/4) ... [2023-11-29 04:47:26,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:47:26,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 04:47:26,846 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 04:47:26,847 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 04:47:26,847 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 04:47:26,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:47:26,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:47:26,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:47:26,928 INFO L158 Benchmark]: Toolchain (without parser) took 2215.82ms. Allocated memory is still 144.7MB. Free memory was 105.3MB in the beginning and 64.4MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-29 04:47:26,928 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:47:26,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.98ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 85.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:47:26,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.36ms. Allocated memory is still 144.7MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:47:26,930 INFO L158 Benchmark]: Boogie Preprocessor took 26.22ms. Allocated memory is still 144.7MB. Free memory was 83.7MB in the beginning and 82.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:47:26,930 INFO L158 Benchmark]: RCFGBuilder took 347.74ms. Allocated memory is still 144.7MB. Free memory was 82.3MB in the beginning and 105.0MB in the end (delta: -22.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:47:26,930 INFO L158 Benchmark]: TraceAbstraction took 1227.84ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 68.6MB in the end (delta: 35.4MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-29 04:47:26,931 INFO L158 Benchmark]: Witness Printer took 90.55ms. Allocated memory is still 144.7MB. Free memory was 68.6MB in the beginning and 64.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:47:26,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.98ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 85.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.36ms. Allocated memory is still 144.7MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.22ms. Allocated memory is still 144.7MB. Free memory was 83.7MB in the beginning and 82.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.74ms. Allocated memory is still 144.7MB. Free memory was 82.3MB in the beginning and 105.0MB in the end (delta: -22.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1227.84ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 68.6MB in the end (delta: 35.4MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Witness Printer took 90.55ms. Allocated memory is still 144.7MB. Free memory was 68.6MB in the beginning and 64.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: 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 3 procedures, 87 locations, 7 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: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 34 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:47:26,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1a4851-6ce0-47b0-8ec9-ba63a450ec67/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE