./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.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_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu --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 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:49,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:49,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:49,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:49,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:49,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:49,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:49,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:49,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:49,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:49,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:49,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:49,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:49,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:49,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:49,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:49,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:49,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:49,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:49,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:49,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:49,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:49,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:49,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:49,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:49,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:49,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:49,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:49,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:49,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:49,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:49,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:49,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:49,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:49,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:49,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:49,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:49,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:49,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:49,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:49,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:49,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:49,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:49,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:49,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:49,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:49,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:49,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:49,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:49,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:49,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:49,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:49,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:49,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:49,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:49,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:49,468 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:49,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:49,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:49,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:49,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:49,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:49,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:49,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:49,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:49,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:49,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:49,471 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:49,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:49,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:49,472 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_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa [2021-11-23 15:55:49,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:49,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:49,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:49,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:49,758 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:49,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2021-11-23 15:55:49,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/055d2392c/6bfa9d46639b46b294c61707105dd4f2/FLAG17f40fdaa [2021-11-23 15:55:50,416 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:50,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2021-11-23 15:55:50,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/055d2392c/6bfa9d46639b46b294c61707105dd4f2/FLAG17f40fdaa [2021-11-23 15:55:50,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/055d2392c/6bfa9d46639b46b294c61707105dd4f2 [2021-11-23 15:55:50,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:50,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:50,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:50,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:50,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:50,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a297811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50, skipping insertion in model container [2021-11-23 15:55:50,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:50,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:51,145 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_c9111793-cb61-4a41-bd40-8e755330530c/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i[30807,30820] [2021-11-23 15:55:51,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:51,169 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:51,237 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_c9111793-cb61-4a41-bd40-8e755330530c/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i[30807,30820] [2021-11-23 15:55:51,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:51,299 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:51,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51 WrapperNode [2021-11-23 15:55:51,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:51,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:51,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:51,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:51,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,378 INFO L137 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2021-11-23 15:55:51,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:51,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:51,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:51,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:51,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:51,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:51,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:51,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:51,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:51" (1/1) ... [2021-11-23 15:55:51,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:51,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:51,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:51,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_dec [2021-11-23 15:55:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_dec [2021-11-23 15:55:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-23 15:55:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-23 15:55:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:55:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:55:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 15:55:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 15:55:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_inc [2021-11-23 15:55:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_inc [2021-11-23 15:55:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 15:55:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 15:55:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:51,504 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 15:55:51,651 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:51,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:51,877 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:51,913 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 15:55:51,918 INFO L158 Benchmark]: Toolchain (without parser) took 1219.12ms. Allocated memory is still 123.7MB. Free memory was 83.0MB in the beginning and 69.7MB in the end (delta: 13.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,919 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:51,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.79ms. Allocated memory is still 123.7MB. Free memory was 82.8MB in the beginning and 87.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.06ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 85.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:51,921 INFO L158 Benchmark]: Boogie Preprocessor took 47.95ms. Allocated memory is still 123.7MB. Free memory was 85.3MB in the beginning and 83.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:51,922 INFO L158 Benchmark]: RCFGBuilder took 487.81ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 69.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.79ms. Allocated memory is still 123.7MB. Free memory was 82.8MB in the beginning and 87.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.06ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 85.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.95ms. Allocated memory is still 123.7MB. Free memory was 85.3MB in the beginning and 83.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.81ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 69.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. 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 15:55:51,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/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_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu --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 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:54,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:54,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:54,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:54,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:54,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:54,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:54,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:54,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:54,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:54,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:54,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:54,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:54,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:54,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:54,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:54,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:54,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:54,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:54,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:54,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:54,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:54,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:54,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:54,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:54,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:54,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:54,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:54,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:54,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:54,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:54,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:54,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:54,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:54,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:54,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:54,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:54,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:54,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:54,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:54,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:54,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:54,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:54,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:54,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:54,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:54,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:54,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:54,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:54,676 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:54,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:54,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:54,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:54,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:54,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:54,678 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:54,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:54,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:54,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:54,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:54,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:54,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:54,679 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:54,679 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:54,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:54,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:54,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:54,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:54,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:54,681 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:54,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:54,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:54,681 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:54,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:54,682 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_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa [2021-11-23 15:55:55,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:55,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:55,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:55,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:55,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:55,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2021-11-23 15:55:55,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/9482a42e4/68d3d96f7f84435cb2efc2c3ffb8662e/FLAG9975ca459 [2021-11-23 15:55:55,904 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:55,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2021-11-23 15:55:55,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/9482a42e4/68d3d96f7f84435cb2efc2c3ffb8662e/FLAG9975ca459 [2021-11-23 15:55:56,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/data/9482a42e4/68d3d96f7f84435cb2efc2c3ffb8662e [2021-11-23 15:55:56,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:56,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:56,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:56,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:56,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:56,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569066ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56, skipping insertion in model container [2021-11-23 15:55:56,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:56,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:56,587 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_c9111793-cb61-4a41-bd40-8e755330530c/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i[30807,30820] [2021-11-23 15:55:56,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:56,614 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:56,670 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_c9111793-cb61-4a41-bd40-8e755330530c/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i[30807,30820] [2021-11-23 15:55:56,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:56,716 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:56,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56 WrapperNode [2021-11-23 15:55:56,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:56,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:56,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:56,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:56,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,776 INFO L137 Inliner]: procedures = 179, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2021-11-23 15:55:56,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:56,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:56,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:56,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:56,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:56,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:56,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:56,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:56,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:56,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:56,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:56,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_dec [2021-11-23 15:55:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_dec [2021-11-23 15:55:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-23 15:55:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-23 15:55:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:55:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:55:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 15:55:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 15:55:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_inc [2021-11-23 15:55:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_inc [2021-11-23 15:55:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 15:55:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 15:55:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:56,965 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 15:55:57,145 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:57,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:57,451 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:57,536 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 15:55:57,540 INFO L158 Benchmark]: Toolchain (without parser) took 1381.12ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 36.1MB in the end (delta: 4.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:57,541 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:57,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.97ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:57,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.60ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:57,543 INFO L158 Benchmark]: Boogie Preprocessor took 68.20ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 31.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:57,544 INFO L158 Benchmark]: RCFGBuilder took 692.23ms. Allocated memory is still 62.9MB. Free memory was 31.7MB in the beginning and 36.1MB in the end (delta: -4.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:57,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.97ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.60ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.20ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 31.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 692.23ms. Allocated memory is still 62.9MB. Free memory was 31.7MB in the beginning and 36.1MB in the end (delta: -4.4MB). Peak memory consumption was 12.7MB. 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 15:55:57,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9111793-cb61-4a41-bd40-8e755330530c/bin/ukojak-CwSLpZB5Qu/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable