./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix037.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be02b321ccd6bac38d207cd4c595c173c1a2ce3b705272ff0087ad749834a1ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:38,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:38,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:38,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:38,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:38,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:38,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:38,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:38,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:38,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:38,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:38,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:38,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:38,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:38,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:38,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:38,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:38,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:38,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:38,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:38,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:38,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:38,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:38,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:38,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:38,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:38,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:38,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:38,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:38,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:38,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:38,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:38,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:38,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:38,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:38,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:38,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:38,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:38,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:38,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:38,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:38,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:46:38,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:38,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:38,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:38,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:38,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:38,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:38,182 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:38,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:38,183 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:38,183 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:46:38,183 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:38,184 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:38,184 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:46:38,184 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:46:38,184 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:38,185 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:46:38,185 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:46:38,185 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:46:38,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:38,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:46:38,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:46:38,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:46:38,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:38,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:38,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:38,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:38,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:46:38,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:38,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:38,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:38,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:38,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:38,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:38,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:38,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:38,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:38,190 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:46:38,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:46:38,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:38,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:38,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:38,191 INFO L138 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_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be02b321ccd6bac38d207cd4c595c173c1a2ce3b705272ff0087ad749834a1ef [2021-11-23 16:46:38,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:38,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:38,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:38,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:38,487 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:38,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix037.opt.i [2021-11-23 16:46:38,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/6ffec9112/db321279e76b4fc7948677675472a483/FLAG84ecbb87a [2021-11-23 16:46:39,080 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:39,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/sv-benchmarks/c/pthread-wmm/mix037.opt.i [2021-11-23 16:46:39,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/6ffec9112/db321279e76b4fc7948677675472a483/FLAG84ecbb87a [2021-11-23 16:46:39,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/6ffec9112/db321279e76b4fc7948677675472a483 [2021-11-23 16:46:39,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:39,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:39,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:39,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:39,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:39,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf3324d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39, skipping insertion in model container [2021-11-23 16:46:39,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:39,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:39,702 WARN L230 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_9e14c7bb-c5d5-47f7-b64f-715c0be38699/sv-benchmarks/c/pthread-wmm/mix037.opt.i[944,957] [2021-11-23 16:46:39,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:39,902 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:39,914 WARN L230 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_9e14c7bb-c5d5-47f7-b64f-715c0be38699/sv-benchmarks/c/pthread-wmm/mix037.opt.i[944,957] [2021-11-23 16:46:39,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:39,999 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:39,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39 WrapperNode [2021-11-23 16:46:39,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:40,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:40,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:40,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:40,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,053 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 200 [2021-11-23 16:46:40,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:40,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:40,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:40,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:40,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:40,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:40,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:40,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:40,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:40,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:40,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:40,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:46:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:46:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:46:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:46:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 16:46:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 16:46:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 16:46:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 16:46:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 16:46:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 16:46:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 16:46:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 16:46:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:46:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:46:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:40,213 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:46:40,375 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:40,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:40,985 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:41,083 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:46:41,088 INFO L158 Benchmark]: Toolchain (without parser) took 1684.59ms. Allocated memory is still 121.6MB. Free memory was 79.0MB in the beginning and 50.1MB in the end (delta: 28.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 16:46:41,089 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:41,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.23ms. Allocated memory is still 121.6MB. Free memory was 78.8MB in the beginning and 84.2MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:46:41,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.04ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 81.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:41,093 INFO L158 Benchmark]: Boogie Preprocessor took 69.26ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 79.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:41,094 INFO L158 Benchmark]: RCFGBuilder took 961.51ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 50.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:41,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.23ms. Allocated memory is still 121.6MB. Free memory was 78.8MB in the beginning and 84.2MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.04ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 81.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.26ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 79.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 961.51ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 50.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:46:41,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be02b321ccd6bac38d207cd4c595c173c1a2ce3b705272ff0087ad749834a1ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:43,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:43,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:43,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:43,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:43,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:43,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:43,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:43,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:43,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:43,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:43,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:43,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:43,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:43,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:43,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:43,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:43,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:43,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:43,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:43,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:43,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:43,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:43,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:43,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:43,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:43,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:43,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:43,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:43,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:43,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:43,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:43,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:43,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:43,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:43,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:43,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:43,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:43,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:43,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:43,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:43,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:46:43,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:43,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:43,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:43,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:43,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:43,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:43,784 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:43,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:43,785 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:43,785 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:43,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:43,786 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:43,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:43,789 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:46:43,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:46:43,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:43,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:43,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:43,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:43,790 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:46:43,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:46:43,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:46:43,791 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:46:43,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:43,791 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:43,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:43,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:43,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:46:43,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:43,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:43,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:43,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:43,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:43,794 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:46:43,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:46:43,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:43,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:43,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:43,795 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be02b321ccd6bac38d207cd4c595c173c1a2ce3b705272ff0087ad749834a1ef [2021-11-23 16:46:44,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:44,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:44,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:44,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:44,186 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:44,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix037.opt.i [2021-11-23 16:46:44,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/e7d58ee01/a14050c11d5c4280badc2f89c3c24a4f/FLAGd25fa28eb [2021-11-23 16:46:44,944 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:44,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/sv-benchmarks/c/pthread-wmm/mix037.opt.i [2021-11-23 16:46:44,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/e7d58ee01/a14050c11d5c4280badc2f89c3c24a4f/FLAGd25fa28eb [2021-11-23 16:46:45,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/data/e7d58ee01/a14050c11d5c4280badc2f89c3c24a4f [2021-11-23 16:46:45,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:45,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:45,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:45,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:45,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:45,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235f40de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45, skipping insertion in model container [2021-11-23 16:46:45,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:45,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:45,432 WARN L230 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_9e14c7bb-c5d5-47f7-b64f-715c0be38699/sv-benchmarks/c/pthread-wmm/mix037.opt.i[944,957] [2021-11-23 16:46:45,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:45,697 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:45,710 WARN L230 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_9e14c7bb-c5d5-47f7-b64f-715c0be38699/sv-benchmarks/c/pthread-wmm/mix037.opt.i[944,957] [2021-11-23 16:46:45,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:45,807 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:45,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45 WrapperNode [2021-11-23 16:46:45,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:45,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:45,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:45,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:45,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,897 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 201 [2021-11-23 16:46:45,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:45,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:45,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:45,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:45,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:45,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:45,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:45,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:45,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:45" (1/1) ... [2021-11-23 16:46:45,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:45,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:46,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:46,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:46:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:46:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:46:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:46:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:46:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 16:46:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 16:46:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 16:46:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 16:46:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 16:46:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 16:46:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 16:46:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 16:46:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:46:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:46,070 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:46:46,263 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:46,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:46,838 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:46,942 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:46:46,950 INFO L158 Benchmark]: Toolchain (without parser) took 1801.42ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 64.9MB in the end (delta: -24.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:46,952 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:46,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.56ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 33.4MB in the end (delta: 6.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 16:46:46,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.78ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 30.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:46,955 INFO L158 Benchmark]: Boogie Preprocessor took 69.76ms. Allocated memory is still 62.9MB. Free memory was 30.6MB in the beginning and 28.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:46,956 INFO L158 Benchmark]: RCFGBuilder took 978.57ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 28.2MB in the beginning and 65.3MB in the end (delta: -37.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:46,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.56ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 33.4MB in the end (delta: 6.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.78ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 30.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.76ms. Allocated memory is still 62.9MB. Free memory was 30.6MB in the beginning and 28.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 978.57ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 28.2MB in the beginning and 65.3MB in the end (delta: -37.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:46:47,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e14c7bb-c5d5-47f7-b64f-715c0be38699/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable