./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:26:20,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:26:20,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:26:21,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:26:21,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:26:21,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:26:21,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:26:21,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:26:21,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:26:21,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:26:21,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:26:21,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:26:21,035 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:26:21,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:26:21,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:26:21,037 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:26:21,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:26:21,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:26:21,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:26:21,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:26:21,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:26:21,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:26:21,041 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:26:21,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:26:21,042 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:26:21,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:26:21,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:26:21,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:26:21,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:26:21,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:26:21,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:21,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:26:21,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:26:21,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:26:21,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:26:21,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:26:21,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:26:21,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:26:21,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:26:21,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:26:21,058 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:26:21,058 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_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3 [2023-11-06 22:26:21,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:26:21,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:26:21,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:26:21,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:26:21,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:26:21,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i [2023-11-06 22:26:24,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:26:25,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:26:25,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i [2023-11-06 22:26:25,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/data/ef32cf600/99d759150d4143ebb2f2655f57c3916f/FLAGca7d21965 [2023-11-06 22:26:25,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/data/ef32cf600/99d759150d4143ebb2f2655f57c3916f [2023-11-06 22:26:25,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:26:25,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:26:25,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:25,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:26:25,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:26:25,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:25,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6136ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25, skipping insertion in model container [2023-11-06 22:26:25,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:25,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:26:25,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:25,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:26:25,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:25,956 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:26:25,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25 WrapperNode [2023-11-06 22:26:25,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:25,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:26:25,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:26:25,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:26:25,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:25,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,024 INFO L138 Inliner]: procedures = 260, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-06 22:26:26,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:26:26,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:26:26,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:26:26,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:26:26,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:26:26,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:26:26,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:26:26,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:26:26,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (1/1) ... [2023-11-06 22:26:26,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:26,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:26:26,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:26:26,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:26:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:26:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:26:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:26:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:26:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:26:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:26:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:26:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:26:26,183 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:26:26,366 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:26:26,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:26:26,530 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:26:26,537 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:26:26,538 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:26:26,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:26 BoogieIcfgContainer [2023-11-06 22:26:26,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:26:26,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:26:26,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:26:26,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:26:26,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:26:25" (1/3) ... [2023-11-06 22:26:26,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77be4d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:26, skipping insertion in model container [2023-11-06 22:26:26,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:25" (2/3) ... [2023-11-06 22:26:26,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77be4d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:26, skipping insertion in model container [2023-11-06 22:26:26,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:26" (3/3) ... [2023-11-06 22:26:26,577 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_18-glob_guards.i [2023-11-06 22:26:26,587 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:26:26,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:26:26,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 22:26:26,600 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:26:26,666 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:26:26,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 71 transitions, 149 flow [2023-11-06 22:26:26,748 INFO L124 PetriNetUnfolderBase]: 2/70 cut-off events. [2023-11-06 22:26:26,749 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:26:26,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 2/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2023-11-06 22:26:26,753 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 71 transitions, 149 flow [2023-11-06 22:26:26,758 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 62 transitions, 127 flow [2023-11-06 22:26:26,762 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:26:26,773 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 62 transitions, 127 flow [2023-11-06 22:26:26,776 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 62 transitions, 127 flow [2023-11-06 22:26:26,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 62 transitions, 127 flow [2023-11-06 22:26:26,797 INFO L124 PetriNetUnfolderBase]: 2/62 cut-off events. [2023-11-06 22:26:26,798 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:26:26,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 2/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2023-11-06 22:26:26,800 INFO L119 LiptonReduction]: Number of co-enabled transitions 270 [2023-11-06 22:26:29,428 INFO L134 LiptonReduction]: Checked pairs total: 645 [2023-11-06 22:26:29,428 INFO L136 LiptonReduction]: Total number of compositions: 66 [2023-11-06 22:26:29,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:26:29,466 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35fa9681, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:26:29,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-06 22:26:29,468 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:26:29,468 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:26:29,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:26:29,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:26:29,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:26:29,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-06 22:26:29,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:29,476 INFO L85 PathProgramCache]: Analyzing trace with hash 257, now seen corresponding path program 1 times [2023-11-06 22:26:29,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:26:29,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109384420] [2023-11-06 22:26:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:29,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:26:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:26:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:26:29,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:26:29,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109384420] [2023-11-06 22:26:29,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109384420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:26:29,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:26:29,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:26:29,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563176242] [2023-11-06 22:26:29,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:26:29,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:26:29,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:26:29,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:26:29,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:26:29,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 137 [2023-11-06 22:26:29,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 10 transitions, 23 flow. Second operand has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:26:29,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 137 [2023-11-06 22:26:29,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:26:29,695 INFO L124 PetriNetUnfolderBase]: 4/17 cut-off events. [2023-11-06 22:26:29,696 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:26:29,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 17 events. 4/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 34 event pairs, 4 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 27. Up to 15 conditions per place. [2023-11-06 22:26:29,697 INFO L140 encePairwiseOnDemand]: 135/137 looper letters, 6 selfloop transitions, 0 changer transitions 0/8 dead transitions. [2023-11-06 22:26:29,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 8 transitions, 31 flow [2023-11-06 22:26:29,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:26:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:26:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 146 transitions. [2023-11-06 22:26:29,712 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5328467153284672 [2023-11-06 22:26:29,712 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 146 transitions. [2023-11-06 22:26:29,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 146 transitions. [2023-11-06 22:26:29,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:26:29,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 146 transitions. [2023-11-06 22:26:29,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,726 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,728 INFO L175 Difference]: Start difference. First operand has 14 places, 10 transitions, 23 flow. Second operand 2 states and 146 transitions. [2023-11-06 22:26:29,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 8 transitions, 31 flow [2023-11-06 22:26:29,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 8 transitions, 30 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:26:29,733 INFO L231 Difference]: Finished difference. Result has 12 places, 8 transitions, 18 flow [2023-11-06 22:26:29,735 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=18, PETRI_PLACES=12, PETRI_TRANSITIONS=8} [2023-11-06 22:26:29,739 INFO L281 CegarLoopForPetriNet]: 14 programPoint places, -2 predicate places. [2023-11-06 22:26:29,739 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 8 transitions, 18 flow [2023-11-06 22:26:29,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:26:29,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 22:26:29,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:26:29,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-06 22:26:29,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:29,741 INFO L85 PathProgramCache]: Analyzing trace with hash 7845291, now seen corresponding path program 1 times [2023-11-06 22:26:29,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:26:29,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163212735] [2023-11-06 22:26:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:29,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:26:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:26:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:26:29,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:26:29,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163212735] [2023-11-06 22:26:29,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163212735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:26:29,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:26:29,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:26:29,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849358027] [2023-11-06 22:26:29,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:26:29,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:26:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:26:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:26:29,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:29,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 137 [2023-11-06 22:26:29,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 8 transitions, 18 flow. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:26:29,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 137 [2023-11-06 22:26:29,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:26:29,884 INFO L124 PetriNetUnfolderBase]: 4/14 cut-off events. [2023-11-06 22:26:29,884 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:26:29,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 14 events. 4/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 2 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 30. Up to 12 conditions per place. [2023-11-06 22:26:29,885 INFO L140 encePairwiseOnDemand]: 133/137 looper letters, 0 selfloop transitions, 0 changer transitions 8/8 dead transitions. [2023-11-06 22:26:29,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 8 transitions, 34 flow [2023-11-06 22:26:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:26:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:26:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2023-11-06 22:26:29,890 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4768856447688564 [2023-11-06 22:26:29,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 196 transitions. [2023-11-06 22:26:29,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 196 transitions. [2023-11-06 22:26:29,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:26:29,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 196 transitions. [2023-11-06 22:26:29,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,900 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,901 INFO L175 Difference]: Start difference. First operand has 12 places, 8 transitions, 18 flow. Second operand 3 states and 196 transitions. [2023-11-06 22:26:29,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 8 transitions, 34 flow [2023-11-06 22:26:29,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:26:29,902 INFO L231 Difference]: Finished difference. Result has 12 places, 0 transitions, 0 flow [2023-11-06 22:26:29,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=14, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=12, PETRI_TRANSITIONS=0} [2023-11-06 22:26:29,904 INFO L281 CegarLoopForPetriNet]: 14 programPoint places, -2 predicate places. [2023-11-06 22:26:29,907 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 0 transitions, 0 flow [2023-11-06 22:26:29,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:26:29,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-11-06 22:26:29,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2023-11-06 22:26:29,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-11-06 22:26:29,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-11-06 22:26:29,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-11-06 22:26:29,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-11-06 22:26:29,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:26:29,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:26:29,929 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:26:29,929 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:26:29,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:26:29 BasicIcfg [2023-11-06 22:26:29,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:26:29,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:26:29,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:26:29,941 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:26:29,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:26" (3/4) ... [2023-11-06 22:26:29,944 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:26:29,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:26:29,954 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-06 22:26:29,954 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:26:29,954 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:26:30,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:26:30,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:26:30,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:26:30,016 INFO L158 Benchmark]: Toolchain (without parser) took 4912.34ms. Allocated memory was 125.8MB in the beginning and 190.8MB in the end (delta: 65.0MB). Free memory was 91.8MB in the beginning and 66.8MB in the end (delta: 24.9MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,017 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:26:30,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.26ms. Allocated memory is still 125.8MB. Free memory was 91.5MB in the beginning and 64.6MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.01ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 62.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,018 INFO L158 Benchmark]: Boogie Preprocessor took 66.16ms. Allocated memory is still 125.8MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,018 INFO L158 Benchmark]: RCFGBuilder took 448.21ms. Allocated memory is still 125.8MB. Free memory was 60.8MB in the beginning and 95.1MB in the end (delta: -34.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,019 INFO L158 Benchmark]: TraceAbstraction took 3372.35ms. Allocated memory is still 190.8MB. Free memory was 161.4MB in the beginning and 70.0MB in the end (delta: 91.4MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,019 INFO L158 Benchmark]: Witness Printer took 74.65ms. Allocated memory is still 190.8MB. Free memory was 70.0MB in the beginning and 66.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:26:30,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.26ms. Allocated memory is still 125.8MB. Free memory was 91.5MB in the beginning and 64.6MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.01ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 62.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.16ms. Allocated memory is still 125.8MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.21ms. Allocated memory is still 125.8MB. Free memory was 60.8MB in the beginning and 95.1MB in the end (delta: -34.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3372.35ms. Allocated memory is still 190.8MB. Free memory was 161.4MB in the beginning and 70.0MB in the end (delta: 91.4MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * Witness Printer took 74.65ms. Allocated memory is still 190.8MB. Free memory was 70.0MB in the beginning and 66.8MB in the end (delta: 3.1MB). 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: 2.7s, 64 PlacesBefore, 14 PlacesAfterwards, 62 TransitionsBefore, 10 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 645 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 370, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 199, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 370, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: 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, 80 locations, 6 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: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2023-11-06 22:26:30,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c771093-55e3-43d2-ad02-dfea54071e3b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE