./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68dea9df5539e7fcef3a5df1da960eaa713dc314a245f3b00d1aa4e0736666c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:14,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:14,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 00:49:14,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:14,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:14,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:14,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:14,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:14,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:14,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:14,579 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:14,580 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:14,580 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:14,581 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:49:14,582 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:14,583 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:14,584 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:49:14,585 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:49:14,585 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:14,586 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:49:14,587 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:49:14,588 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:49:14,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:14,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:14,591 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:14,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:49:14,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:14,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:14,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:14,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:14,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:14,618 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 00:49:14,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:49:14,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:14,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:14,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:14,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:14,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:14,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:14,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:14,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:14,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:14,625 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:49:14,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:49:14,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:14,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:14,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:14,627 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68dea9df5539e7fcef3a5df1da960eaa713dc314a245f3b00d1aa4e0736666c8 [2023-11-12 00:49:14,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:14,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:14,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:14,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:14,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:15,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i [2023-11-12 00:49:18,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:19,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:19,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i [2023-11-12 00:49:19,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/data/c94f5253b/7510358cd1bb44a8a092f61868496a63/FLAGa14aa87dc [2023-11-12 00:49:19,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/data/c94f5253b/7510358cd1bb44a8a092f61868496a63 [2023-11-12 00:49:19,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:19,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:19,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:19,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:19,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:19,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:19,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7edf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19, skipping insertion in model container [2023-11-12 00:49:19,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:19,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:19,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:19,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:19,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:19,971 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:19,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19 WrapperNode [2023-11-12 00:49:19,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:19,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:19,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:19,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:19,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,058 INFO L138 Inliner]: procedures = 262, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-11-12 00:49:20,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:20,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:20,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:20,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:20,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:20,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:20,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:20,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:20,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (1/1) ... [2023-11-12 00:49:20,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:20,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:20,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:49:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:49:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:49:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:49:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:49:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 00:49:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 00:49:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:20,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:20,225 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:49:20,449 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:20,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:20,672 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:20,682 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:20,682 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:49:20,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:20 BoogieIcfgContainer [2023-11-12 00:49:20,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:20,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:20,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:20,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:20,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:19" (1/3) ... [2023-11-12 00:49:20,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614b3aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:20, skipping insertion in model container [2023-11-12 00:49:20,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:19" (2/3) ... [2023-11-12 00:49:20,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614b3aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:20, skipping insertion in model container [2023-11-12 00:49:20,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:20" (3/3) ... [2023-11-12 00:49:20,697 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_38-indexing_malloc.i [2023-11-12 00:49:20,708 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:49:20,721 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:20,722 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-12 00:49:20,722 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:49:20,801 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 00:49:20,844 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:49:20,860 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 73 transitions, 153 flow [2023-11-12 00:49:20,864 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 73 transitions, 153 flow [2023-11-12 00:49:20,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 73 transitions, 153 flow [2023-11-12 00:49:20,985 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2023-11-12 00:49:20,987 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 00:49:20,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 0/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 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 00:49:20,998 INFO L119 LiptonReduction]: Number of co-enabled transitions 630 [2023-11-12 00:49:23,773 INFO L134 LiptonReduction]: Checked pairs total: 4025 [2023-11-12 00:49:23,773 INFO L136 LiptonReduction]: Total number of compositions: 48 [2023-11-12 00:49:23,783 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 69 flow [2023-11-12 00:49:23,837 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 172 states, 160 states have (on average 1.9625) internal successors, (314), 171 states have internal predecessors, (314), 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 00:49:23,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:23,873 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=FINITE_AUTOMATA, 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;@65b7c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:23,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-12 00:49:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 160 states have (on average 1.9625) internal successors, (314), 171 states have internal predecessors, (314), 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 00:49:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-12 00:49:23,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:23,884 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-12 00:49:23,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 00:49:23,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:23,891 INFO L85 PathProgramCache]: Analyzing trace with hash 241, now seen corresponding path program 1 times [2023-11-12 00:49:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:23,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505152193] [2023-11-12 00:49:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:24,031 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 00:49:24,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:24,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505152193] [2023-11-12 00:49:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505152193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:24,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:24,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 00:49:24,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196659220] [2023-11-12 00:49:24,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:24,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:49:24,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:24,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:49:24,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:24,076 INFO L87 Difference]: Start difference. First operand has 172 states, 160 states have (on average 1.9625) internal successors, (314), 171 states have internal predecessors, (314), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 00:49:24,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:24,128 INFO L93 Difference]: Finished difference Result 145 states and 263 transitions. [2023-11-12 00:49:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:49:24,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2023-11-12 00:49:24,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:24,143 INFO L225 Difference]: With dead ends: 145 [2023-11-12 00:49:24,143 INFO L226 Difference]: Without dead ends: 145 [2023-11-12 00:49:24,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:24,148 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:24,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:49:24,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-12 00:49:24,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-11-12 00:49:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 140 states have (on average 1.8785714285714286) internal successors, (263), 144 states have internal predecessors, (263), 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 00:49:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 263 transitions. [2023-11-12 00:49:24,206 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 263 transitions. Word has length 1 [2023-11-12 00:49:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:24,206 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 263 transitions. [2023-11-12 00:49:24,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 00:49:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 263 transitions. [2023-11-12 00:49:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:49:24,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:24,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:24,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:49:24,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 00:49:24,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:24,209 INFO L85 PathProgramCache]: Analyzing trace with hash -703547454, now seen corresponding path program 1 times [2023-11-12 00:49:24,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:24,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269431315] [2023-11-12 00:49:24,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:24,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:24,764 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 00:49:24,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269431315] [2023-11-12 00:49:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269431315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:24,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:49:24,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756136195] [2023-11-12 00:49:24,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:24,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:49:24,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:24,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:49:24,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:49:24,770 INFO L87 Difference]: Start difference. First operand 145 states and 263 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 00:49:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:25,019 INFO L93 Difference]: Finished difference Result 199 states and 362 transitions. [2023-11-12 00:49:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:49:25,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2023-11-12 00:49:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:25,028 INFO L225 Difference]: With dead ends: 199 [2023-11-12 00:49:25,028 INFO L226 Difference]: Without dead ends: 199 [2023-11-12 00:49:25,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:49:25,036 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:25,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 13 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:49:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-12 00:49:25,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2023-11-12 00:49:25,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 170 states have (on average 1.911764705882353) internal successors, (325), 174 states have internal predecessors, (325), 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 00:49:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 325 transitions. [2023-11-12 00:49:25,065 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 325 transitions. Word has length 9 [2023-11-12 00:49:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:25,066 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 325 transitions. [2023-11-12 00:49:25,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 00:49:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 325 transitions. [2023-11-12 00:49:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:49:25,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:25,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:25,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:49:25,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 00:49:25,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash -46971989, now seen corresponding path program 1 times [2023-11-12 00:49:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:25,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613818595] [2023-11-12 00:49:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:25,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:25,389 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 00:49:25,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:25,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613818595] [2023-11-12 00:49:25,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613818595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:25,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:25,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:49:25,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562426854] [2023-11-12 00:49:25,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:25,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:49:25,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:25,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:49:25,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:49:25,393 INFO L87 Difference]: Start difference. First operand 175 states and 325 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 00:49:25,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:25,693 INFO L93 Difference]: Finished difference Result 243 states and 448 transitions. [2023-11-12 00:49:25,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:49:25,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2023-11-12 00:49:25,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:25,697 INFO L225 Difference]: With dead ends: 243 [2023-11-12 00:49:25,697 INFO L226 Difference]: Without dead ends: 236 [2023-11-12 00:49:25,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:49:25,702 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:25,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 19 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:49:25,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-12 00:49:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 208. [2023-11-12 00:49:25,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.9064039408866995) internal successors, (387), 207 states have internal predecessors, (387), 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 00:49:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 387 transitions. [2023-11-12 00:49:25,751 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 387 transitions. Word has length 9 [2023-11-12 00:49:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:25,752 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 387 transitions. [2023-11-12 00:49:25,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 00:49:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 387 transitions. [2023-11-12 00:49:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:49:25,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:25,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:25,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:49:25,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 00:49:25,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash 60809341, now seen corresponding path program 1 times [2023-11-12 00:49:25,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:25,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562768059] [2023-11-12 00:49:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:25,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:25,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:49:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:25,822 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:49:25,822 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:49:25,824 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-12 00:49:25,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-12 00:49:25,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-12 00:49:25,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-12 00:49:25,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-12 00:49:25,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-12 00:49:25,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-12 00:49:25,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-12 00:49:25,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-12 00:49:25,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:49:25,833 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 00:49:25,841 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 00:49:25,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:49:25,863 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,864 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,867 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 00:49:25,868 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,868 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,868 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,869 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 00:49:25,869 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,869 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,870 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,870 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,870 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,871 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,871 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,871 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,871 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,872 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 00:49:25,872 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,872 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,873 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,873 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,873 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,873 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,874 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 00:49:25,874 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 00:49:25,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:49:25 BasicIcfg [2023-11-12 00:49:25,882 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:49:25,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:49:25,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:49:25,883 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:49:25,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:20" (3/4) ... [2023-11-12 00:49:25,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:49:25,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:49:25,888 INFO L158 Benchmark]: Toolchain (without parser) took 6825.30ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 114.5MB in the beginning and 189.4MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:25,889 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 163.6MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:25,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.10ms. Allocated memory is still 163.6MB. Free memory was 114.5MB in the beginning and 87.9MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:49:25,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.70ms. Allocated memory is still 163.6MB. Free memory was 87.9MB in the beginning and 85.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:49:25,891 INFO L158 Benchmark]: Boogie Preprocessor took 73.25ms. Allocated memory is still 163.6MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:25,891 INFO L158 Benchmark]: RCFGBuilder took 552.51ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 69.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:49:25,892 INFO L158 Benchmark]: TraceAbstraction took 5193.41ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 69.1MB in the beginning and 190.5MB in the end (delta: -121.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:25,892 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 234.9MB. Free memory was 190.5MB in the beginning and 189.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:25,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 163.6MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.10ms. Allocated memory is still 163.6MB. Free memory was 114.5MB in the beginning and 87.9MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.70ms. Allocated memory is still 163.6MB. Free memory was 87.9MB in the beginning and 85.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.25ms. Allocated memory is still 163.6MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.51ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 69.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5193.41ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 69.1MB in the beginning and 190.5MB in the end (delta: -121.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 234.9MB. Free memory was 190.5MB in the beginning and 189.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 77 PlacesBefore, 35 PlacesAfterwards, 73 TransitionsBefore, 31 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 4025 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1591, independent: 1289, independent conditional: 0, independent unconditional: 1289, dependent: 302, dependent conditional: 0, dependent unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 478, independent: 398, independent conditional: 0, independent unconditional: 398, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 478, independent: 369, independent conditional: 0, independent unconditional: 369, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 497, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1591, independent: 891, independent conditional: 0, independent unconditional: 891, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 478, unknown conditional: 0, unknown unconditional: 478] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 997]: Data race detected [2023-11-12 00:49:25,918 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,918 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,918 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 00:49:25,918 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,919 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,919 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,919 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,920 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,920 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 00:49:25,920 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,920 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,921 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,921 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,921 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,921 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,922 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,922 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 00:49:25,922 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,924 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 00:49:25,924 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 00:49:25,933 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 00:49:25,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 00:49:25,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,936 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,936 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,936 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,937 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,937 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,937 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,937 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,938 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 00:49:25,938 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,938 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 00:49:25,938 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__count [2023-11-12 00:49:25,939 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__kind [2023-11-12 00:49:25,939 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__lock [2023-11-12 00:49:25,939 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__owner [2023-11-12 00:49:25,939 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex~0.__data.__nusers [2023-11-12 00:49:25,939 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated Data race detected The following path leads to a data race: [L987] 0 int* s; [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L994] 0 pthread_t id; [L995] 0 s = (int*)malloc(sizeof(int)) [L996] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, s={-2:0}] [L997] EXPR 0 s[0] [L997] 0 s[0] = 9 VAL [arg={0:0}, id={5:0}, s={-2:0}] [L990] EXPR 1 s[0] [L990] 1 s[0] = 8 VAL [arg={0:0}, arg={0:0}, s={-2:0}] [L997] 0 s[0] = 9 VAL [arg={0:0}, arg={0:0}, id={5:0}, s={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: s = (int*)malloc(sizeof(int)) [995] * C: s[0] = 8 [990] * C: s[0] [997] * C: s[0] [990] and C: s[0] = 9 [997] - UnprovableResult [Line: 995]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 996]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 990]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 990]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 91 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 40 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 52 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:49:25,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e1c1c0d-fe94-4bf0-9296-7611eb47aab4/bin/utaipan-verify-NcY6lQBIFX/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE