./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur --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 7a18ee378e36a8b6ec16846ba26aa7ebab799f55311c04bb5b266d3aa0d0986d --- 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-38b53e6 [2022-11-25 22:20:04,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:20:04,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:20:04,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:20:04,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:20:04,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:20:04,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:20:04,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:20:04,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:20:04,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:20:04,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:20:04,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:20:04,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:20:04,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:20:04,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:20:04,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:20:04,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:20:04,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:20:04,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:20:04,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:20:04,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:20:04,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:20:04,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:20:04,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:20:04,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:20:04,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:20:04,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:20:04,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:20:04,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:20:04,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:20:04,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:20:04,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:20:04,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:20:04,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:20:04,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:20:04,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:20:04,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:20:04,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:20:04,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:20:04,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:20:04,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:20:04,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 22:20:04,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:20:04,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:20:04,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:20:04,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:20:04,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:20:04,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:20:04,773 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:20:04,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:20:04,774 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:20:04,774 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:20:04,774 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:20:04,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:20:04,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:20:04,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:20:04,776 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:20:04,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:20:04,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:20:04,777 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:20:04,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:20:04,778 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:20:04,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:20:04,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:20:04,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:20:04,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:20:04,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:20:04,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:20:04,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:20:04,780 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:20:04,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:20:04,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:20:04,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:20:04,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:20:04,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:20:04,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:20:04,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:04,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:20:04,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:20:04,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:20:04,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:20:04,784 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:20:04,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:20:04,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:20:04,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:20:04,786 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_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a18ee378e36a8b6ec16846ba26aa7ebab799f55311c04bb5b266d3aa0d0986d [2022-11-25 22:20:05,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:20:05,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:20:05,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:20:05,123 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:20:05,124 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:20:05,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2022-11-25 22:20:08,415 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:20:08,701 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:20:08,711 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2022-11-25 22:20:08,722 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/data/db700e965/08e8b8a564c94e9f9306866a7d6d3565/FLAG25e17a856 [2022-11-25 22:20:08,753 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/data/db700e965/08e8b8a564c94e9f9306866a7d6d3565 [2022-11-25 22:20:08,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:20:08,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:20:08,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:08,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:20:08,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:20:08,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:08" (1/1) ... [2022-11-25 22:20:08,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7047110f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:08, skipping insertion in model container [2022-11-25 22:20:08,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:08" (1/1) ... [2022-11-25 22:20:08,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:20:08,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:20:09,036 WARN L237 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_f7471723-9195-43ae-9af8-d2af95eee3f2/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c[4788,4801] [2022-11-25 22:20:09,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:09,055 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:20:09,143 WARN L237 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_f7471723-9195-43ae-9af8-d2af95eee3f2/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c[4788,4801] [2022-11-25 22:20:09,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:09,167 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:20:09,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09 WrapperNode [2022-11-25 22:20:09,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:09,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:09,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:20:09,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:20:09,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,248 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 850 [2022-11-25 22:20:09,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:09,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:20:09,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:20:09,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:20:09,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,379 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:20:09,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:20:09,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:20:09,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:20:09,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (1/1) ... [2022-11-25 22:20:09,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:09,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:09,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:20:09,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7471723-9195-43ae-9af8-d2af95eee3f2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:20:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:20:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:20:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:20:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:20:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 22:20:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 22:20:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 22:20:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 22:20:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 22:20:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 22:20:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:20:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:20:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:20:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:20:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:20:09,505 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:20:09,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:20:09,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:20:10,978 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:20:11,004 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:20:11,004 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 22:20:11,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:11 BoogieIcfgContainer [2022-11-25 22:20:11,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:20:11,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:20:11,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:20:11,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:20:11,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:20:08" (1/3) ... [2022-11-25 22:20:11,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cf75f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:11, skipping insertion in model container [2022-11-25 22:20:11,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:09" (2/3) ... [2022-11-25 22:20:11,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cf75f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:11, skipping insertion in model container [2022-11-25 22:20:11,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:11" (3/3) ... [2022-11-25 22:20:11,023 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2022-11-25 22:20:11,033 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 22:20:11,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:20:11,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 152 error locations. [2022-11-25 22:20:11,041 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:20:11,368 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 22:20:11,440 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:20:11,470 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1063 places, 1111 transitions, 2246 flow [2022-11-25 22:20:11,485 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1063 places, 1111 transitions, 2246 flow [2022-11-25 22:20:11,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1063 places, 1111 transitions, 2246 flow [2022-11-25 22:20:12,427 INFO L130 PetriNetUnfolder]: 58/1108 cut-off events. [2022-11-25 22:20:12,427 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 22:20:12,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1121 conditions, 1108 events. 58/1108 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3896 event pairs, 0 based on Foata normal form. 0/898 useless extension candidates. Maximal degree in co-relation 851. Up to 2 conditions per place. [2022-11-25 22:20:12,719 INFO L119 LiptonReduction]: Number of co-enabled transitions 489912 [2022-11-25 22:20:58,141 INFO L134 LiptonReduction]: Checked pairs total: 904830 [2022-11-25 22:20:58,142 INFO L136 LiptonReduction]: Total number of compositions: 1724 [2022-11-25 22:20:58,152 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 253 transitions, 530 flow