./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix019.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/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_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/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_52ba6d85-eb5d-4db5-850e-207519d05b58/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 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:08,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:08,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:08,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:08,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:08,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:08,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:08,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:08,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:08,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:08,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:08,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:08,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:08,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:08,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:08,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:08,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:08,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:08,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:08,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:08,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:08,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:08,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:08,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:08,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:08,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:08,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:08,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:08,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:08,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:08,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:08,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:08,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:08,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:08,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:08,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:08,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:08,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:08,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:08,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:08,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:08,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:08,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:08,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:08,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:08,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:08,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:08,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:08,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:08,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:08,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:08,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:08,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:08,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:08,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:08,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:08,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:08,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:08,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:08,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:08,329 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:08,329 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:08,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:08,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:08,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:08,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:08,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:08,330 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:08,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:08,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:08,331 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_52ba6d85-eb5d-4db5-850e-207519d05b58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 [2021-11-23 15:59:08,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:08,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:08,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:08,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:08,653 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:08,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix019.opt.i [2021-11-23 15:59:08,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/91eff0543/834408208642411883c5494b54815c33/FLAGa3fe6fc0a [2021-11-23 15:59:09,442 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:09,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/sv-benchmarks/c/pthread-wmm/mix019.opt.i [2021-11-23 15:59:09,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/91eff0543/834408208642411883c5494b54815c33/FLAGa3fe6fc0a [2021-11-23 15:59:09,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/91eff0543/834408208642411883c5494b54815c33 [2021-11-23 15:59:09,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:09,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:09,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:09,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:09,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:09,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b3332e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09, skipping insertion in model container [2021-11-23 15:59:09,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:09,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:10,081 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_52ba6d85-eb5d-4db5-850e-207519d05b58/sv-benchmarks/c/pthread-wmm/mix019.opt.i[944,957] [2021-11-23 15:59:10,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:10,488 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:10,508 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_52ba6d85-eb5d-4db5-850e-207519d05b58/sv-benchmarks/c/pthread-wmm/mix019.opt.i[944,957] [2021-11-23 15:59:10,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:10,661 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:10,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10 WrapperNode [2021-11-23 15:59:10,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:10,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:10,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:10,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:10,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,765 INFO L137 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2021-11-23 15:59:10,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:10,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:10,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:10,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:10,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:10,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:10,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:10,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:10,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:10,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:10,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:10,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:59:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:59:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:59:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:59:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:59:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:59:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:59:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:59:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:59:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:59:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:59:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:59:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:59:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:10,960 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 15:59:11,108 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:11,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:11,847 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:12,074 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 15:59:12,079 INFO L158 Benchmark]: Toolchain (without parser) took 2423.80ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 82.0MB in the beginning and 94.4MB in the end (delta: -12.4MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:12,080 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:12,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.62ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 72.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:12,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.91ms. Allocated memory is still 113.2MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:12,083 INFO L158 Benchmark]: Boogie Preprocessor took 93.56ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 68.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:12,084 INFO L158 Benchmark]: RCFGBuilder took 1215.81ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 68.0MB in the beginning and 94.4MB in the end (delta: -26.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:12,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.62ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 72.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.91ms. Allocated memory is still 113.2MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.56ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 68.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1215.81ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 68.0MB in the beginning and 94.4MB in the end (delta: -26.4MB). Peak memory consumption was 21.0MB. 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 15:59:12,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/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_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/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_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/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_52ba6d85-eb5d-4db5-850e-207519d05b58/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 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:14,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:14,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:14,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:14,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:14,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:14,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:14,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:14,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:14,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:14,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:14,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:14,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:14,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:14,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:14,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:14,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:14,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:14,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:14,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:14,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:14,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:14,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:14,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:14,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:14,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:14,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:14,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:14,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:14,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:14,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:14,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:14,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:14,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:14,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:14,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:14,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:14,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:14,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:14,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:14,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:14,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:14,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:14,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:14,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:14,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:15,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:15,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:15,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:15,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:15,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:15,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:15,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:15,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:15,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:15,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:15,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:15,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:15,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:15,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:15,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:15,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:15,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:15,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:15,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:15,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:15,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:15,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:15,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:15,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:15,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:15,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:15,009 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:15,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:15,009 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_52ba6d85-eb5d-4db5-850e-207519d05b58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 [2021-11-23 15:59:15,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:15,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:15,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:15,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:15,502 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:15,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix019.opt.i [2021-11-23 15:59:15,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/cf5711c6d/d203ed7df621478195a76e401bbd5cec/FLAG3fbc4fc92 [2021-11-23 15:59:16,302 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:16,302 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/sv-benchmarks/c/pthread-wmm/mix019.opt.i [2021-11-23 15:59:16,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/cf5711c6d/d203ed7df621478195a76e401bbd5cec/FLAG3fbc4fc92 [2021-11-23 15:59:16,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/data/cf5711c6d/d203ed7df621478195a76e401bbd5cec [2021-11-23 15:59:16,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:16,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:16,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:16,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:16,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:16,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615c0e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16, skipping insertion in model container [2021-11-23 15:59:16,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:16,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:16,927 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_52ba6d85-eb5d-4db5-850e-207519d05b58/sv-benchmarks/c/pthread-wmm/mix019.opt.i[944,957] [2021-11-23 15:59:17,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:17,265 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:17,280 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_52ba6d85-eb5d-4db5-850e-207519d05b58/sv-benchmarks/c/pthread-wmm/mix019.opt.i[944,957] [2021-11-23 15:59:17,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:17,401 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:17,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17 WrapperNode [2021-11-23 15:59:17,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:17,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:17,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:17,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:17,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,493 INFO L137 Inliner]: procedures = 179, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2021-11-23 15:59:17,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:17,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:17,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:17,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:17,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:17,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:17,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:17,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:17,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:17" (1/1) ... [2021-11-23 15:59:17,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:17,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:17,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:17,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:59:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:59:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:59:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:59:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:59:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:59:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:59:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:59:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:59:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:59:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:59:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:59:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:59:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:17,694 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 15:59:17,972 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:17,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:18,699 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:18,814 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 15:59:18,818 INFO L158 Benchmark]: Toolchain (without parser) took 2182.01ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 33.7MB in the beginning and 27.9MB in the end (delta: 5.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:18,819 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:18,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.77ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 35.3MB in the end (delta: -1.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:18,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.95ms. Allocated memory is still 65.0MB. Free memory was 35.3MB in the beginning and 32.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:18,821 INFO L158 Benchmark]: Boogie Preprocessor took 97.32ms. Allocated memory is still 65.0MB. Free memory was 32.8MB in the beginning and 46.0MB in the end (delta: -13.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:18,822 INFO L158 Benchmark]: RCFGBuilder took 1219.08ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 27.9MB in the end (delta: 18.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:18,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.77ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 35.3MB in the end (delta: -1.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.95ms. Allocated memory is still 65.0MB. Free memory was 35.3MB in the beginning and 32.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.32ms. Allocated memory is still 65.0MB. Free memory was 32.8MB in the beginning and 46.0MB in the end (delta: -13.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.08ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 27.9MB in the end (delta: 18.0MB). Peak memory consumption was 20.7MB. 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 15:59:18,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52ba6d85-eb5d-4db5-850e-207519d05b58/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