./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl --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 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:22:21,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:22:21,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:22:21,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:22:21,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:22:21,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:22:21,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:22:21,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:22:21,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:22:21,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:22:21,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:22:21,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:22:21,129 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:22:21,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:22:21,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:22:21,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:22:21,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:22:21,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:22:21,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:22:21,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:22:21,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:22:21,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:22:21,135 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:22:21,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:22:21,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:22:21,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:22:21,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:22:21,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:22:21,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:22:21,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:22:21,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:21,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:22:21,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:22:21,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:22:21,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:22:21,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:22:21,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:22:21,152 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:22:21,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:22:21,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:22:21,153 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:22:21,153 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_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 [2023-11-12 02:22:21,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:22:21,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:22:21,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:22:21,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:22:21,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:22:21,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2023-11-12 02:22:24,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:22:24,919 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:22:24,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2023-11-12 02:22:24,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/data/a432d2315/88785f90225c44f3bb26f91fec9aec11/FLAGbc8acf83f [2023-11-12 02:22:24,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/data/a432d2315/88785f90225c44f3bb26f91fec9aec11 [2023-11-12 02:22:24,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:22:24,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:22:24,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:24,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:22:24,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:22:24,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:24" (1/1) ... [2023-11-12 02:22:24,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4996e520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:24, skipping insertion in model container [2023-11-12 02:22:24,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:24" (1/1) ... [2023-11-12 02:22:25,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:22:25,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:25,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:22:25,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:25,656 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:22:25,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25 WrapperNode [2023-11-12 02:22:25,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:25,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:25,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:22:25,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:22:25,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,710 INFO L138 Inliner]: procedures = 263, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-12 02:22:25,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:25,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:22:25,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:22:25,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:22:25,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:22:25,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:22:25,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:22:25,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:22:25,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (1/1) ... [2023-11-12 02:22:25,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:25,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:25,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:25,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:22:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:22:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:22:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:22:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:22:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:22:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:22:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:22:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:22:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:22:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:22:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:22:25,887 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:22:26,121 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:22:26,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:22:26,328 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:22:26,335 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:22:26,336 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:22:26,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:26 BoogieIcfgContainer [2023-11-12 02:22:26,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:22:26,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:22:26,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:22:26,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:22:26,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:22:24" (1/3) ... [2023-11-12 02:22:26,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5715840a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:26, skipping insertion in model container [2023-11-12 02:22:26,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:25" (2/3) ... [2023-11-12 02:22:26,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5715840a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:26, skipping insertion in model container [2023-11-12 02:22:26,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:26" (3/3) ... [2023-11-12 02:22:26,347 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2023-11-12 02:22:26,356 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:22:26,367 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:22:26,367 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-12 02:22:26,367 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:22:26,420 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:22:26,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 72 transitions, 151 flow [2023-11-12 02:22:26,499 INFO L124 PetriNetUnfolderBase]: 0/71 cut-off events. [2023-11-12 02:22:26,499 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:22:26,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 71 events. 0/71 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-12 02:22:26,503 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 72 transitions, 151 flow [2023-11-12 02:22:26,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 63 transitions, 129 flow [2023-11-12 02:22:26,511 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:22:26,521 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 129 flow [2023-11-12 02:22:26,524 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 129 flow [2023-11-12 02:22:26,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 129 flow [2023-11-12 02:22:26,544 INFO L124 PetriNetUnfolderBase]: 0/63 cut-off events. [2023-11-12 02:22:26,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:22:26,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 63 events. 0/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:22:26,546 INFO L119 LiptonReduction]: Number of co-enabled transitions 1040 [2023-11-12 02:22:28,565 INFO L134 LiptonReduction]: Checked pairs total: 2608 [2023-11-12 02:22:28,565 INFO L136 LiptonReduction]: Total number of compositions: 44 [2023-11-12 02:22:28,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:22:28,598 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;@b837c7e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:22:28,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 02:22:28,607 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:22:28,607 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-12 02:22:28,608 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:22:28,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:22:28,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:22:28,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-12 02:22:28,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:28,618 INFO L85 PathProgramCache]: Analyzing trace with hash 229594275, now seen corresponding path program 1 times [2023-11-12 02:22:28,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:28,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372619320] [2023-11-12 02:22:28,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:28,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:28,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:22:28,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372619320] [2023-11-12 02:22:28,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372619320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:28,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:28,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:22:28,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613875048] [2023-11-12 02:22:28,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:28,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:22:28,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:22:28,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:22:28,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:22:28,981 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 116 [2023-11-12 02:22:28,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 21 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2023-11-12 02:22:28,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:22:28,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 116 [2023-11-12 02:22:28,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:22:29,096 INFO L124 PetriNetUnfolderBase]: 47/136 cut-off events. [2023-11-12 02:22:29,097 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:22:29,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 136 events. 47/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 553 event pairs, 19 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 247. Up to 63 conditions per place. [2023-11-12 02:22:29,103 INFO L140 encePairwiseOnDemand]: 107/116 looper letters, 22 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2023-11-12 02:22:29,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 32 transitions, 123 flow [2023-11-12 02:22:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:22:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:22:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2023-11-12 02:22:29,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6264367816091954 [2023-11-12 02:22:29,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 218 transitions. [2023-11-12 02:22:29,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 218 transitions. [2023-11-12 02:22:29,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:22:29,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 218 transitions. [2023-11-12 02:22:29,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2023-11-12 02:22:29,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:29,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:29,147 INFO L175 Difference]: Start difference. First operand has 25 places, 21 transitions, 45 flow. Second operand 3 states and 218 transitions. [2023-11-12 02:22:29,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 32 transitions, 123 flow [2023-11-12 02:22:29,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 32 transitions, 122 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:22:29,153 INFO L231 Difference]: Finished difference. Result has 27 places, 26 transitions, 94 flow [2023-11-12 02:22:29,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=27, PETRI_TRANSITIONS=26} [2023-11-12 02:22:29,162 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 2 predicate places. [2023-11-12 02:22:29,162 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 26 transitions, 94 flow [2023-11-12 02:22:29,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2023-11-12 02:22:29,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:22:29,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:22:29,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:22:29,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-12 02:22:29,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2122574512, now seen corresponding path program 1 times [2023-11-12 02:22:29,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:29,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391012228] [2023-11-12 02:22:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:29,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:22:29,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391012228] [2023-11-12 02:22:29,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391012228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:29,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:29,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:22:29,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724532526] [2023-11-12 02:22:29,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:29,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:22:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:22:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:22:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:22:29,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 116 [2023-11-12 02:22:29,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 26 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2023-11-12 02:22:29,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:22:29,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 116 [2023-11-12 02:22:29,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:22:29,402 INFO L124 PetriNetUnfolderBase]: 51/149 cut-off events. [2023-11-12 02:22:29,406 INFO L125 PetriNetUnfolderBase]: For 75/77 co-relation queries the response was YES. [2023-11-12 02:22:29,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 149 events. 51/149 cut-off events. For 75/77 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 612 event pairs, 23 based on Foata normal form. 1/142 useless extension candidates. Maximal degree in co-relation 352. Up to 92 conditions per place. [2023-11-12 02:22:29,410 INFO L140 encePairwiseOnDemand]: 110/116 looper letters, 17 selfloop transitions, 7 changer transitions 2/34 dead transitions. [2023-11-12 02:22:29,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 34 transitions, 172 flow [2023-11-12 02:22:29,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:22:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:22:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2023-11-12 02:22:29,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5804597701149425 [2023-11-12 02:22:29,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2023-11-12 02:22:29,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2023-11-12 02:22:29,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:22:29,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2023-11-12 02:22:29,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2023-11-12 02:22:29,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:29,427 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:29,427 INFO L175 Difference]: Start difference. First operand has 27 places, 26 transitions, 94 flow. Second operand 3 states and 202 transitions. [2023-11-12 02:22:29,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 34 transitions, 172 flow [2023-11-12 02:22:29,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 34 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:22:29,432 INFO L231 Difference]: Finished difference. Result has 29 places, 31 transitions, 138 flow [2023-11-12 02:22:29,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=29, PETRI_TRANSITIONS=31} [2023-11-12 02:22:29,433 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2023-11-12 02:22:29,434 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 31 transitions, 138 flow [2023-11-12 02:22:29,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2023-11-12 02:22:29,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:22:29,441 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:22:29,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:22:29,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-12 02:22:29,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:29,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2039671860, now seen corresponding path program 1 times [2023-11-12 02:22:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:29,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958183809] [2023-11-12 02:22:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:29,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:29,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:22:29,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958183809] [2023-11-12 02:22:29,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958183809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:29,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:29,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:22:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603682648] [2023-11-12 02:22:29,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:29,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:22:29,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:22:29,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:22:29,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:22:29,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 116 [2023-11-12 02:22:29,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 31 transitions, 138 flow. Second operand has 3 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) [2023-11-12 02:22:29,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:22:29,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 116 [2023-11-12 02:22:29,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:22:29,670 INFO L124 PetriNetUnfolderBase]: 52/149 cut-off events. [2023-11-12 02:22:29,671 INFO L125 PetriNetUnfolderBase]: For 130/136 co-relation queries the response was YES. [2023-11-12 02:22:29,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 149 events. 52/149 cut-off events. For 130/136 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 611 event pairs, 20 based on Foata normal form. 2/141 useless extension candidates. Maximal degree in co-relation 411. Up to 94 conditions per place. [2023-11-12 02:22:29,673 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 16 selfloop transitions, 7 changer transitions 7/39 dead transitions. [2023-11-12 02:22:29,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 39 transitions, 232 flow [2023-11-12 02:22:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:22:29,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:22:29,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-11-12 02:22:29,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5747126436781609 [2023-11-12 02:22:29,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-11-12 02:22:29,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-11-12 02:22:29,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:22:29,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-11-12 02:22:29,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2023-11-12 02:22:29,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:29,680 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:29,680 INFO L175 Difference]: Start difference. First operand has 29 places, 31 transitions, 138 flow. Second operand 3 states and 200 transitions. [2023-11-12 02:22:29,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 39 transitions, 232 flow [2023-11-12 02:22:29,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 39 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:22:29,684 INFO L231 Difference]: Finished difference. Result has 30 places, 30 transitions, 147 flow [2023-11-12 02:22:29,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=30, PETRI_TRANSITIONS=30} [2023-11-12 02:22:29,686 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 5 predicate places. [2023-11-12 02:22:29,686 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 30 transitions, 147 flow [2023-11-12 02:22:29,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-11-12 02:22:29,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:22:29,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:22:29,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:22:29,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-12 02:22:29,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash 63084570, now seen corresponding path program 1 times [2023-11-12 02:22:29,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:29,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336437314] [2023-11-12 02:22:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:29,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:29,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:22:29,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336437314] [2023-11-12 02:22:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336437314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:29,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:22:29,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169476845] [2023-11-12 02:22:29,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:29,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:22:29,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:22:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:22:29,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:22:30,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 116 [2023-11-12 02:22:30,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 30 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2023-11-12 02:22:30,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:22:30,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 116 [2023-11-12 02:22:30,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:22:30,063 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2023-11-12 02:22:30,064 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-12 02:22:30,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 30 events. 1/30 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs, 1 based on Foata normal form. 7/37 useless extension candidates. Maximal degree in co-relation 78. Up to 14 conditions per place. [2023-11-12 02:22:30,065 INFO L140 encePairwiseOnDemand]: 112/116 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2023-11-12 02:22:30,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 16 transitions, 88 flow [2023-11-12 02:22:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:22:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:22:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2023-11-12 02:22:30,068 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6149425287356322 [2023-11-12 02:22:30,068 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2023-11-12 02:22:30,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2023-11-12 02:22:30,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:22:30,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2023-11-12 02:22:30,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2023-11-12 02:22:30,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:30,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2023-11-12 02:22:30,074 INFO L175 Difference]: Start difference. First operand has 30 places, 30 transitions, 147 flow. Second operand 3 states and 214 transitions. [2023-11-12 02:22:30,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 16 transitions, 88 flow [2023-11-12 02:22:30,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 16 transitions, 56 flow, removed 7 selfloop flow, removed 7 redundant places. [2023-11-12 02:22:30,079 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2023-11-12 02:22:30,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2023-11-12 02:22:30,081 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, -4 predicate places. [2023-11-12 02:22:30,082 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2023-11-12 02:22:30,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2023-11-12 02:22:30,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-12 02:22:30,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-12 02:22:30,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-12 02:22:30,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-12 02:22:30,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-12 02:22:30,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-12 02:22:30,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-12 02:22:30,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-12 02:22:30,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:22:30,088 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:22:30,094 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:22:30,095 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:22:30,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:22:30 BasicIcfg [2023-11-12 02:22:30,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:22:30,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:22:30,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:22:30,101 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:22:30,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:26" (3/4) ... [2023-11-12 02:22:30,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:22:30,109 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-12 02:22:30,114 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 02:22:30,114 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:22:30,115 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:22:30,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:22:30,199 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:22:30,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:22:30,200 INFO L158 Benchmark]: Toolchain (without parser) took 5221.06ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 79.6MB in the beginning and 110.0MB in the end (delta: -30.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-12 02:22:30,200 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:30,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.83ms. Allocated memory is still 123.7MB. Free memory was 79.5MB in the beginning and 52.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 02:22:30,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.65ms. Allocated memory is still 123.7MB. Free memory was 52.2MB in the beginning and 49.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:22:30,202 INFO L158 Benchmark]: Boogie Preprocessor took 31.02ms. Allocated memory is still 123.7MB. Free memory was 49.8MB in the beginning and 48.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:30,203 INFO L158 Benchmark]: RCFGBuilder took 594.88ms. Allocated memory is still 123.7MB. Free memory was 48.1MB in the beginning and 85.2MB in the end (delta: -37.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:22:30,203 INFO L158 Benchmark]: TraceAbstraction took 3759.72ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 84.7MB in the beginning and 114.2MB in the end (delta: -29.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-12 02:22:30,204 INFO L158 Benchmark]: Witness Printer took 98.67ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 110.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:22:30,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.83ms. Allocated memory is still 123.7MB. Free memory was 79.5MB in the beginning and 52.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.65ms. Allocated memory is still 123.7MB. Free memory was 52.2MB in the beginning and 49.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.02ms. Allocated memory is still 123.7MB. Free memory was 49.8MB in the beginning and 48.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.88ms. Allocated memory is still 123.7MB. Free memory was 48.1MB in the beginning and 85.2MB in the end (delta: -37.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3759.72ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 84.7MB in the beginning and 114.2MB in the end (delta: -29.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 98.67ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 110.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 67 PlacesBefore, 25 PlacesAfterwards, 63 TransitionsBefore, 21 TransitionsAfterwards, 1040 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 2608 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1522, independent: 1347, independent conditional: 0, independent unconditional: 1347, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 545, independent: 517, independent conditional: 0, independent unconditional: 517, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1522, independent: 830, independent conditional: 0, independent unconditional: 830, dependent: 147, dependent conditional: 0, dependent unconditional: 147, unknown: 545, unknown conditional: 0, unknown unconditional: 545] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: 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, 95 locations, 8 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: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 28 mSDtfsCounter, 192 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=147occurred 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, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:22:30,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cac2fd-f4f3-4ecf-80e4-2cb8ce078bb7/bin/uautomizer-verify-uTZkv6EMXl/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