./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ce97f399f5ab540e05119d9433f4e1bfecfe892f8e87faddc6435387a55a4d6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:39,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:39,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:39,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:39,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:39,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:39,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:39,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:39,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:39,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:39,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:39,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:39,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:39,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:39,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:39,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:39,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:39,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:39,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:39,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:39,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:39,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:39,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:39,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:39,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:39,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:39,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:39,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:39,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:39,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:39,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:39,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:39,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:39,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:39,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:39,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:39,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:39,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:39,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:39,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:39,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:39,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:30:39,426 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:39,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:39,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:39,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:39,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:39,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:39,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:39,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:39,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:30:39,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:39,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:39,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:39,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:39,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:39,443 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:39,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:39,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:39,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:39,444 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:39,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:39,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:39,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:39,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:39,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:39,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:39,446 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:30:39,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:30:39,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:39,447 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ce97f399f5ab540e05119d9433f4e1bfecfe892f8e87faddc6435387a55a4d6 [2021-11-23 01:30:39,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:39,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:39,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:39,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:39,820 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:39,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-11-23 01:30:39,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/3693ce04b/3f8702c3e61a48ada5c8bc53cc41a243/FLAG5f3d39d1c [2021-11-23 01:30:40,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:40,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-11-23 01:30:40,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/3693ce04b/3f8702c3e61a48ada5c8bc53cc41a243/FLAG5f3d39d1c [2021-11-23 01:30:40,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/3693ce04b/3f8702c3e61a48ada5c8bc53cc41a243 [2021-11-23 01:30:40,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:40,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:40,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:40,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:40,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:40,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:40" (1/1) ... [2021-11-23 01:30:40,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250095e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:40, skipping insertion in model container [2021-11-23 01:30:40,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:40" (1/1) ... [2021-11-23 01:30:40,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:40,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:41,364 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i[30176,30189] [2021-11-23 01:30:41,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:41,409 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:41,455 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i[30176,30189] [2021-11-23 01:30:41,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:41,506 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:41,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41 WrapperNode [2021-11-23 01:30:41,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:41,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:41,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:41,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:41,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,560 INFO L137 Inliner]: procedures = 170, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2021-11-23 01:30:41,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:41,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:41,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:41,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:41,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:41,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:41,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:41,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:41,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:41" (1/1) ... [2021-11-23 01:30:41,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:41,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:41,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:41,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:30:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:30:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:30:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:30:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:30:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 01:30:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 01:30:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:30:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:30:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:41,723 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 01:30:41,847 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:41,849 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:42,113 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:42,123 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:42,123 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:30:42,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:42 BoogieIcfgContainer [2021-11-23 01:30:42,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:42,127 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:42,127 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:42,148 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:42,150 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:42" (1/1) ... [2021-11-23 01:30:42,151 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:30:42,158 INFO L158 Benchmark]: Toolchain (without parser) took 1294.78ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 44.5MB in the beginning and 61.2MB in the end (delta: -16.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 01:30:42,159 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:42,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.82ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 44.4MB in the beginning and 79.0MB in the end (delta: -34.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:30:42,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 76.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:42,164 INFO L158 Benchmark]: Boogie Preprocessor took 47.54ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:42,166 INFO L158 Benchmark]: RCFGBuilder took 516.56ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 62.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:30:42,167 INFO L158 Benchmark]: CodeCheck took 27.02ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 61.2MB in the end (delta: 826.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:42,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.82ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 44.4MB in the beginning and 79.0MB in the end (delta: -34.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.14ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 76.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.54ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.56ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 62.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 27.02ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 61.2MB in the end (delta: 826.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:30:42,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ce97f399f5ab540e05119d9433f4e1bfecfe892f8e87faddc6435387a55a4d6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:44,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:44,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:45,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:45,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:45,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:45,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:45,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:45,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:45,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:45,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:45,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:45,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:45,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:45,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:45,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:45,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:45,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:45,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:45,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:45,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:45,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:45,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:45,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:45,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:45,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:45,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:45,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:45,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:45,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:45,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:45,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:45,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:45,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:45,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:45,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:45,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:45,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:45,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:45,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:45,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:45,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:30:45,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:45,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:45,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:45,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:45,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:45,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:45,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:45,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:45,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:45,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:45,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:45,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:45,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:45,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:30:45,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:30:45,192 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:30:45,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:45,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:45,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:45,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:45,193 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:45,194 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:45,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:45,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:45,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:45,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:45,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:45,195 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:30:45,196 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:30:45,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:45,196 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:30:45,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:30:45,197 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ce97f399f5ab540e05119d9433f4e1bfecfe892f8e87faddc6435387a55a4d6 [2021-11-23 01:30:45,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:45,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:45,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:45,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:45,671 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:45,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-11-23 01:30:45,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/fee9c6191/d375b6edd9c041e8a02eec1ef94b7ffa/FLAG1525fa2b3 [2021-11-23 01:30:46,401 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:46,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-11-23 01:30:46,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/fee9c6191/d375b6edd9c041e8a02eec1ef94b7ffa/FLAG1525fa2b3 [2021-11-23 01:30:46,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/data/fee9c6191/d375b6edd9c041e8a02eec1ef94b7ffa [2021-11-23 01:30:46,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:46,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:46,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:46,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:46,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:46,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:46" (1/1) ... [2021-11-23 01:30:46,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70074fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:46, skipping insertion in model container [2021-11-23 01:30:46,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:46" (1/1) ... [2021-11-23 01:30:46,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:46,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:47,172 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i[30176,30189] [2021-11-23 01:30:47,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:47,207 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:47,272 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_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/sv-benchmarks/c/goblint-regression/28-race_reach_22-deref_read_racefree.i[30176,30189] [2021-11-23 01:30:47,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:47,373 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:47,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47 WrapperNode [2021-11-23 01:30:47,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:47,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:47,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:47,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:47,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,460 INFO L137 Inliner]: procedures = 174, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-23 01:30:47,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:47,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:47,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:47,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:47,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:47,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:47,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:47,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:47,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:47" (1/1) ... [2021-11-23 01:30:47,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:47,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:47,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 01:30:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 01:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:47,686 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 01:30:47,904 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:47,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:48,187 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:48,198 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:48,198 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:30:48,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:48 BoogieIcfgContainer [2021-11-23 01:30:48,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:48,202 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:48,202 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:48,212 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:48,212 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:48" (1/1) ... [2021-11-23 01:30:48,213 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:30:48,220 INFO L158 Benchmark]: Toolchain (without parser) took 1543.31ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 38.8MB in the end (delta: -12.3MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 01:30:48,222 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:48,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.89ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.3MB in the beginning and 41.3MB in the end (delta: -15.0MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 01:30:48,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.49ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:48,225 INFO L158 Benchmark]: Boogie Preprocessor took 78.76ms. Allocated memory is still 69.2MB. Free memory was 39.0MB in the beginning and 37.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:48,227 INFO L158 Benchmark]: RCFGBuilder took 660.38ms. Allocated memory is still 69.2MB. Free memory was 37.3MB in the beginning and 39.9MB in the end (delta: -2.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 01:30:48,228 INFO L158 Benchmark]: CodeCheck took 15.03ms. Allocated memory is still 69.2MB. Free memory was 39.6MB in the beginning and 38.8MB in the end (delta: 799.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:48,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.89ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.3MB in the beginning and 41.3MB in the end (delta: -15.0MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.49ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.76ms. Allocated memory is still 69.2MB. Free memory was 39.0MB in the beginning and 37.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.38ms. Allocated memory is still 69.2MB. Free memory was 37.3MB in the beginning and 39.9MB in the end (delta: -2.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * CodeCheck took 15.03ms. Allocated memory is still 69.2MB. Free memory was 39.6MB in the beginning and 38.8MB in the end (delta: 799.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:30:48,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb958ac-87b8-43fe-86f0-7777f5d11e8d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: Concurrent programs are currently unsupported