./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe017_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe017_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f42e8f5213d7b87505465b65029831bd75698bf771428502e6718d43723a660f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 20:20:11,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:20:11,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:20:11,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:20:11,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:20:11,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:20:11,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:20:11,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:20:11,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:20:11,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:20:11,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:20:11,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:20:11,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:20:11,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:20:11,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:20:11,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:20:11,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:20:11,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:20:11,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:20:11,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:20:11,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:20:11,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:20:11,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:20:11,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:20:11,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:20:11,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:20:11,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:20:11,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:20:11,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:20:11,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:20:11,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:20:11,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:20:11,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:20:11,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:20:11,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:20:11,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:20:11,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:20:11,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:20:11,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:20:11,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:20:11,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:20:11,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-16 20:20:11,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:20:11,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:20:11,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:20:11,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:20:11,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:20:11,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:20:11,409 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:20:11,409 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:20:11,409 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:20:11,409 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:20:11,410 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:20:11,411 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:20:11,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:20:11,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:20:11,411 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:20:11,412 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:20:11,412 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:20:11,412 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:20:11,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:20:11,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:20:11,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:20:11,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:20:11,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:20:11,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:20:11,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:20:11,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:20:11,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:20:11,416 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 20:20:11,417 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:20:11,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:20:11,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:20:11,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:20:11,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:20:11,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:20:11,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:20:11,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:20:11,419 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:20:11,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:20:11,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:20:11,419 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:20:11,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:20:11,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:20:11,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:20:11,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f42e8f5213d7b87505465b65029831bd75698bf771428502e6718d43723a660f [2022-11-16 20:20:11,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:20:11,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:20:11,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:20:11,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:20:11,730 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:20:11,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/pthread-wmm/safe017_tso.i [2022-11-16 20:20:11,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/data/06fcf2581/e23591a92bf74d159afb8a7e6a782414/FLAGd75b4f5ca [2022-11-16 20:20:12,326 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:20:12,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/sv-benchmarks/c/pthread-wmm/safe017_tso.i [2022-11-16 20:20:12,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/data/06fcf2581/e23591a92bf74d159afb8a7e6a782414/FLAGd75b4f5ca [2022-11-16 20:20:12,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/data/06fcf2581/e23591a92bf74d159afb8a7e6a782414 [2022-11-16 20:20:12,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:20:12,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:20:12,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:20:12,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:20:12,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:20:12,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:20:12" (1/1) ... [2022-11-16 20:20:12,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172d8c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:12, skipping insertion in model container [2022-11-16 20:20:12,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:20:12" (1/1) ... [2022-11-16 20:20:12,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:20:12,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:20:12,881 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/sv-benchmarks/c/pthread-wmm/safe017_tso.i[945,958] [2022-11-16 20:20:13,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:20:13,099 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:20:13,112 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/sv-benchmarks/c/pthread-wmm/safe017_tso.i[945,958] [2022-11-16 20:20:13,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:20:13,208 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:20:13,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13 WrapperNode [2022-11-16 20:20:13,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:20:13,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:20:13,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:20:13,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:20:13,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,275 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2022-11-16 20:20:13,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:20:13,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:20:13,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:20:13,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:20:13,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:20:13,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:20:13,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:20:13,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:20:13,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (1/1) ... [2022-11-16 20:20:13,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:20:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:20:13,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:20:13,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:20:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:20:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 20:20:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:20:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:20:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:20:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 20:20:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 20:20:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 20:20:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 20:20:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 20:20:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 20:20:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:20:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 20:20:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:20:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:20:13,421 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 20:20:13,545 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:20:13,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:20:13,919 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:20:14,120 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:20:14,120 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 20:20:14,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:14 BoogieIcfgContainer [2022-11-16 20:20:14,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:20:14,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:20:14,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:20:14,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:20:14,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:20:12" (1/3) ... [2022-11-16 20:20:14,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ec52c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:20:14, skipping insertion in model container [2022-11-16 20:20:14,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:13" (2/3) ... [2022-11-16 20:20:14,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ec52c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:20:14, skipping insertion in model container [2022-11-16 20:20:14,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:14" (3/3) ... [2022-11-16 20:20:14,148 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_tso.i [2022-11-16 20:20:14,157 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 20:20:14,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:20:14,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-16 20:20:14,171 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 20:20:14,256 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 20:20:14,309 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 20:20:14,328 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 112 transitions, 239 flow [2022-11-16 20:20:14,332 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 112 transitions, 239 flow [2022-11-16 20:20:14,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 112 transitions, 239 flow [2022-11-16 20:20:14,394 INFO L130 PetriNetUnfolder]: 2/109 cut-off events. [2022-11-16 20:20:14,395 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 20:20:14,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 107 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-11-16 20:20:14,403 INFO L119 LiptonReduction]: Number of co-enabled transitions 3442 [2022-11-16 20:20:19,966 INFO L134 LiptonReduction]: Checked pairs total: 7231 [2022-11-16 20:20:19,966 INFO L136 LiptonReduction]: Total number of compositions: 118 [2022-11-16 20:20:19,974 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 40 transitions, 95 flow [2022-11-16 20:20:20,205 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4865 states, 3782 states have (on average 4.595716552088842) internal successors, (17381), 4864 states have internal predecessors, (17381), 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) [2022-11-16 20:20:20,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:20:20,232 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=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;@504205f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:20:20,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-16 20:20:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 4865 states, 3782 states have (on average 4.595716552088842) internal successors, (17381), 4864 states have internal predecessors, (17381), 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) [2022-11-16 20:20:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 20:20:20,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:20:20,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-16 20:20:20,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2022-11-16 20:20:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:20:20,259 INFO L85 PathProgramCache]: Analyzing trace with hash 571314, now seen corresponding path program 1 times [2022-11-16 20:20:20,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:20:20,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566584564] [2022-11-16 20:20:20,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:20,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:20:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:20:20,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:20:20,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566584564] [2022-11-16 20:20:20,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566584564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:20:20,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:20:20,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 20:20:20,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631913342] [2022-11-16 20:20:20,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:20:20,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 20:20:20,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:20:20,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 20:20:20,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 20:20:20,551 INFO L87 Difference]: Start difference. First operand has 4865 states, 3782 states have (on average 4.595716552088842) internal successors, (17381), 4864 states have internal predecessors, (17381), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-16 20:20:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:20:20,617 INFO L93 Difference]: Finished difference Result 177 states and 478 transitions. [2022-11-16 20:20:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 20:20:20,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-16 20:20:20,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:20:20,626 INFO L225 Difference]: With dead ends: 177 [2022-11-16 20:20:20,627 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 20:20:20,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 20:20:20,634 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:20:20,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:20:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 20:20:20,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 20:20:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-16 20:20:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 20:20:20,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-11-16 20:20:20,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:20:20,663 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 20:20:20,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-16 20:20:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 20:20:20,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 20:20:20,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2022-11-16 20:20:20,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2022-11-16 20:20:20,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2022-11-16 20:20:20,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2022-11-16 20:20:20,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2022-11-16 20:20:20,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2022-11-16 20:20:20,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2022-11-16 20:20:20,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2022-11-16 20:20:20,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2022-11-16 20:20:20,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2022-11-16 20:20:20,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2022-11-16 20:20:20,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2022-11-16 20:20:20,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2022-11-16 20:20:20,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2022-11-16 20:20:20,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2022-11-16 20:20:20,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2022-11-16 20:20:20,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2022-11-16 20:20:20,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2022-11-16 20:20:20,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2022-11-16 20:20:20,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2022-11-16 20:20:20,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2022-11-16 20:20:20,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2022-11-16 20:20:20,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 35 remaining) [2022-11-16 20:20:20,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2022-11-16 20:20:20,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2022-11-16 20:20:20,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2022-11-16 20:20:20,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2022-11-16 20:20:20,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2022-11-16 20:20:20,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2022-11-16 20:20:20,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2022-11-16 20:20:20,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2022-11-16 20:20:20,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2022-11-16 20:20:20,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2022-11-16 20:20:20,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2022-11-16 20:20:20,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2022-11-16 20:20:20,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:20:20,704 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 20:20:20,723 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 20:20:20,723 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:20:20,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:20:20 BasicIcfg [2022-11-16 20:20:20,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:20:20,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:20:20,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:20:20,730 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:20:20,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:14" (3/4) ... [2022-11-16 20:20:20,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 20:20:20,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-16 20:20:20,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-16 20:20:20,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-16 20:20:20,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2022-11-16 20:20:20,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-16 20:20:20,746 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 20:20:20,746 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:20:20,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:20:20,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:20:20,786 INFO L158 Benchmark]: Toolchain (without parser) took 8169.07ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 82.2MB in the beginning and 81.4MB in the end (delta: 762.4kB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,786 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:20:20,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.03ms. Allocated memory is still 104.9MB. Free memory was 81.8MB in the beginning and 69.3MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.66ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,787 INFO L158 Benchmark]: Boogie Preprocessor took 62.32ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,788 INFO L158 Benchmark]: RCFGBuilder took 783.99ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 79.7MB in the end (delta: -14.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,788 INFO L158 Benchmark]: TraceAbstraction took 6600.67ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 78.9MB in the beginning and 85.6MB in the end (delta: -6.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,788 INFO L158 Benchmark]: Witness Printer took 55.94ms. Allocated memory is still 151.0MB. Free memory was 85.6MB in the beginning and 81.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:20:20,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.03ms. Allocated memory is still 104.9MB. Free memory was 81.8MB in the beginning and 69.3MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.66ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.32ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.99ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 79.7MB in the end (delta: -14.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6600.67ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 78.9MB in the beginning and 85.6MB in the end (delta: -6.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 55.94ms. Allocated memory is still 151.0MB. Free memory was 85.6MB in the beginning and 81.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 120 PlacesBefore, 49 PlacesAfterwards, 112 TransitionsBefore, 40 TransitionsAfterwards, 3442 CoEnabledTransitionPairs, 7 FixpointIterations, 21 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 TotalNumberOfCompositions, 7231 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4278, independent: 4170, independent conditional: 0, independent unconditional: 4170, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2536, independent: 2489, independent conditional: 0, independent unconditional: 2489, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2536, independent: 2420, independent conditional: 0, independent unconditional: 2420, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 116, independent: 69, independent conditional: 0, independent unconditional: 69, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4278, independent: 1681, independent conditional: 0, independent unconditional: 1681, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 2536, unknown conditional: 0, unknown unconditional: 2536] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, 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 - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 778]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 778]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 146 locations, 35 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4865occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 20:20:20,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0e6632-b195-4114-b663-3dbcec7d7ae5/bin/utaipan-Xvt2sAort0/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