./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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 f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:08,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:08,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:08,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:08,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:08,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:08,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:08,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:08,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:08,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:08,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:08,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:08,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:08,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:08,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:08,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:08,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:08,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:08,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:08,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:08,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:08,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:08,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:08,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:08,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:08,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:08,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:08,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:08,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:08,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:08,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:08,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:08,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:08,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:08,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:08,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:08,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:08,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:08,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:08,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:08,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:08,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:08,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:08,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:08,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:08,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:08,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:08,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:08,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:08,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:08,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:08,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:08,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:08,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:08,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:08,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:08,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:08,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:08,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:08,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:08,424 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:08,424 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:08,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:08,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:08,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:08,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:08,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:08,426 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:08,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:08,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:08,427 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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 [2021-11-23 15:03:08,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:08,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:08,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:08,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:08,866 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:08,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-23 15:03:08,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/d8fcabc06/6c7c611a97ee49fab7554aaff1c62f79/FLAGc7e11a054 [2021-11-23 15:03:09,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:09,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-23 15:03:09,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/d8fcabc06/6c7c611a97ee49fab7554aaff1c62f79/FLAGc7e11a054 [2021-11-23 15:03:09,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/d8fcabc06/6c7c611a97ee49fab7554aaff1c62f79 [2021-11-23 15:03:09,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:09,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:09,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:09,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:09,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:09,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:09" (1/1) ... [2021-11-23 15:03:09,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8b9179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:09, skipping insertion in model container [2021-11-23 15:03:09,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:09" (1/1) ... [2021-11-23 15:03:09,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:10,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:10,374 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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-23 15:03:10,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:10,772 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:10,794 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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-23 15:03:10,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:10,945 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:10,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10 WrapperNode [2021-11-23 15:03:10,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:10,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:10,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:10,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:10,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,047 INFO L137 Inliner]: procedures = 177, calls = 80, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2021-11-23 15:03:11,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:11,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:11,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:11,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:11,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:11,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:11,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:11,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:11,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:11,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:11,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:11,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:03:11,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:03:11,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:03:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:03:11,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:03:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:03:11,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:03:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:03:11,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:03:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:03:11,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:03:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:03:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:11,225 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 15:03:11,435 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:11,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:12,222 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:12,441 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 15:03:12,448 INFO L158 Benchmark]: Toolchain (without parser) took 2497.16ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 63.2MB in the beginning and 100.4MB in the end (delta: -37.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:12,448 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:12,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 993.30ms. Allocated memory is still 102.8MB. Free memory was 63.0MB in the beginning and 62.3MB in the end (delta: 662.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:12,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.24ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:12,451 INFO L158 Benchmark]: Boogie Preprocessor took 44.34ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 57.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:12,453 INFO L158 Benchmark]: RCFGBuilder took 1351.70ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 57.6MB in the beginning and 100.4MB in the end (delta: -42.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:12,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 993.30ms. Allocated memory is still 102.8MB. Free memory was 63.0MB in the beginning and 62.3MB in the end (delta: 662.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.24ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.34ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 57.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1351.70ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 57.6MB in the beginning and 100.4MB in the end (delta: -42.8MB). Peak memory consumption was 30.6MB. 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 15:03:12,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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 f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:15,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:15,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:15,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:15,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:15,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:15,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:15,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:15,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:15,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:15,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:15,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:15,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:15,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:15,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:15,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:15,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:15,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:15,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:15,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:15,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:15,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:15,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:15,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:15,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:15,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:15,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:15,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:15,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:15,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:15,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:15,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:15,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:15,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:15,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:15,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:15,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:15,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:15,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:15,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:15,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:15,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:15,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:15,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:15,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:15,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:15,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:15,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:15,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:15,783 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:15,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:15,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:15,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:15,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:15,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:15,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:15,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:15,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:15,786 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:15,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:15,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:15,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:15,787 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:15,787 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:15,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:15,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:15,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:15,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:15,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:15,789 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:15,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:15,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:15,790 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:15,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:15,790 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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 [2021-11-23 15:03:16,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:16,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:16,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:16,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:16,195 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:16,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-23 15:03:16,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/2034db4aa/e7749fa0e8fd4b8bbba6b71a9285a83c/FLAG1941a0eee [2021-11-23 15:03:16,897 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:16,898 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-23 15:03:16,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/2034db4aa/e7749fa0e8fd4b8bbba6b71a9285a83c/FLAG1941a0eee [2021-11-23 15:03:17,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/data/2034db4aa/e7749fa0e8fd4b8bbba6b71a9285a83c [2021-11-23 15:03:17,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:17,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:17,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:17,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:17,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:17,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33baba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17, skipping insertion in model container [2021-11-23 15:03:17,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:17,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:17,478 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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-23 15:03:17,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:17,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:17,812 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_45ca3539-6d77-41dd-88bc-8d72ac7878ad/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-23 15:03:17,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:17,934 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:17,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17 WrapperNode [2021-11-23 15:03:17,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:17,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:17,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:17,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:17,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,029 INFO L137 Inliner]: procedures = 181, calls = 80, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 171 [2021-11-23 15:03:18,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:18,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:18,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:18,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:18,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:18,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:18,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:18,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:18,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:18,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:18,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:18,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:03:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:03:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:03:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:03:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:03:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:03:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:03:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:03:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:03:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:03:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:03:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:18,259 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 15:03:18,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:18,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:19,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:19,273 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 15:03:19,283 INFO L158 Benchmark]: Toolchain (without parser) took 2108.39ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.6MB in the beginning and 44.0MB in the end (delta: -13.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:19,283 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:19,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.84ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.4MB in the beginning and 37.3MB in the end (delta: -7.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:19,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.97ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 47.4MB in the end (delta: -10.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:19,287 INFO L158 Benchmark]: Boogie Preprocessor took 116.76ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 44.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:19,288 INFO L158 Benchmark]: RCFGBuilder took 1127.17ms. Allocated memory is still 67.1MB. Free memory was 44.9MB in the beginning and 44.0MB in the end (delta: 880.3kB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:19,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.84ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.4MB in the beginning and 37.3MB in the end (delta: -7.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.97ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 47.4MB in the end (delta: -10.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.76ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 44.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.17ms. Allocated memory is still 67.1MB. Free memory was 44.9MB in the beginning and 44.0MB in the end (delta: 880.3kB). Peak memory consumption was 18.3MB. 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 15:03:19,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ca3539-6d77-41dd-88bc-8d72ac7878ad/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