./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix001.oepc.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_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/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_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/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_d14b8e59-5214-4006-8e88-2349f394a48d/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 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:33,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:33,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:33,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:33,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:33,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:33,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:33,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:33,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:33,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:33,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:33,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:33,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:33,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:33,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:33,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:33,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:33,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:33,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:33,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:33,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:33,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:33,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:33,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:33,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:33,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:33,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:33,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:33,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:33,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:33,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:33,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:33,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:33,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:33,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:33,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:33,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:33,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:33,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:33,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:33,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:33,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:40:33,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:33,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:33,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:33,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:33,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:33,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:33,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:33,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:33,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:33,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:33,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:33,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:33,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:33,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:33,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:33,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:33,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:33,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:33,669 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:33,669 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:33,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:33,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:33,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:33,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:33,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:33,671 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:33,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:33,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:33,672 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_d14b8e59-5214-4006-8e88-2349f394a48d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 [2021-11-23 15:40:33,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:34,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:34,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:34,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:34,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:34,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-11-23 15:40:34,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/8a3054c97/31cde9de08bd4d5f9990f4238eb53ed5/FLAG122adde71 [2021-11-23 15:40:34,941 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:34,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-11-23 15:40:34,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/8a3054c97/31cde9de08bd4d5f9990f4238eb53ed5/FLAG122adde71 [2021-11-23 15:40:35,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/8a3054c97/31cde9de08bd4d5f9990f4238eb53ed5 [2021-11-23 15:40:35,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:35,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:35,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:35,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:35,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:35,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:35" (1/1) ... [2021-11-23 15:40:35,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f81643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:35, skipping insertion in model container [2021-11-23 15:40:35,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:35" (1/1) ... [2021-11-23 15:40:35,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:35,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:35,521 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_d14b8e59-5214-4006-8e88-2349f394a48d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i[988,1001] [2021-11-23 15:40:35,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:35,960 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:35,980 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_d14b8e59-5214-4006-8e88-2349f394a48d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i[988,1001] [2021-11-23 15:40:36,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:36,145 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:36,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36 WrapperNode [2021-11-23 15:40:36,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:36,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:36,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:36,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:36,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,223 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2021-11-23 15:40:36,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:36,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:36,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:36,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:36,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:36,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:36,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:36,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:36,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:36,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:36,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:40:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:40:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:40:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:40:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:40:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:40:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:40:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:40:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:40:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:40:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:40:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:40:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:36,426 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 15:40:36,604 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:36,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:37,517 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:37,694 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 15:40:37,701 INFO L158 Benchmark]: Toolchain (without parser) took 2561.72ms. Allocated memory is still 119.5MB. Free memory was 86.6MB in the beginning and 67.8MB in the end (delta: 18.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,703 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:37,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.95ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 80.7MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.81ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,709 INFO L158 Benchmark]: Boogie Preprocessor took 94.87ms. Allocated memory is still 119.5MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,710 INFO L158 Benchmark]: RCFGBuilder took 1376.99ms. Allocated memory is still 119.5MB. Free memory was 75.7MB in the beginning and 67.8MB in the end (delta: 7.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.95ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 80.7MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.81ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.87ms. Allocated memory is still 119.5MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1376.99ms. Allocated memory is still 119.5MB. Free memory was 75.7MB in the beginning and 67.8MB in the end (delta: 7.9MB). Peak memory consumption was 20.5MB. 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 15:40:37,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/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_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/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_d14b8e59-5214-4006-8e88-2349f394a48d/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 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:40,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:40,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:40,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:40,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:40,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:40,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:40,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:40,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:40,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:40,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:40,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:40,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:40,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:40,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:40,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:40,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:40,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:40,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:40,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:40,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:40,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:40,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:40,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:40,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:40,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:40,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:40,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:40,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:40,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:40,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:40,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:40,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:40,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:40,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:40,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:40,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:40,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:40,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:40,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:40,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:40,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:40,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:40,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:40,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:40,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:40,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:40,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:40,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:40,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:40,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:40,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:40,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:40,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:40,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:40,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:40,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:40,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:40,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:40,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:40,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:40,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:40,851 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:40,851 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:40,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:40,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:40,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:40,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:40,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:40,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:40,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:40,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:40,854 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:40,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:40,855 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_d14b8e59-5214-4006-8e88-2349f394a48d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 [2021-11-23 15:40:41,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:41,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:41,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:41,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:41,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:41,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-11-23 15:40:41,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/b3b82574a/469960dbbb3146a4b1bf8c3a2029d552/FLAGf4564015b [2021-11-23 15:40:42,184 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:42,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-11-23 15:40:42,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/b3b82574a/469960dbbb3146a4b1bf8c3a2029d552/FLAGf4564015b [2021-11-23 15:40:42,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/data/b3b82574a/469960dbbb3146a4b1bf8c3a2029d552 [2021-11-23 15:40:42,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:42,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:42,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:42,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:42,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:42,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:42" (1/1) ... [2021-11-23 15:40:42,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f01b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:42, skipping insertion in model container [2021-11-23 15:40:42,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:42" (1/1) ... [2021-11-23 15:40:42,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:42,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:42,694 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_d14b8e59-5214-4006-8e88-2349f394a48d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i[988,1001] [2021-11-23 15:40:43,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:43,063 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:43,077 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_d14b8e59-5214-4006-8e88-2349f394a48d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i[988,1001] [2021-11-23 15:40:43,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:43,190 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:43,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43 WrapperNode [2021-11-23 15:40:43,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:43,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:43,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:43,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:43,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,276 INFO L137 Inliner]: procedures = 179, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2021-11-23 15:40:43,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:43,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:43,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:43,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:43,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:43,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:43,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:43,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:43,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:43,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:43,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:40:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:40:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:40:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:40:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:40:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:40:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:40:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:40:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:40:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:40:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:40:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:40:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:43,498 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 15:40:43,711 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:43,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:44,746 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:44,943 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 15:40:44,952 INFO L158 Benchmark]: Toolchain (without parser) took 2557.63ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.5MB in the beginning and 51.2MB in the end (delta: -15.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 15:40:44,954 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:44,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.19ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 27.0MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:44,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.25ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 27.0MB in the beginning and 54.2MB in the end (delta: -27.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:40:44,958 INFO L158 Benchmark]: Boogie Preprocessor took 83.57ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:44,959 INFO L158 Benchmark]: RCFGBuilder took 1586.03ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 90.9kB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-23 15:40:44,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.19ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 27.0MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.25ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 27.0MB in the beginning and 54.2MB in the end (delta: -27.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.57ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1586.03ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 90.9kB). Peak memory consumption was 26.9MB. 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 15:40:45,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14b8e59-5214-4006-8e88-2349f394a48d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable