./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.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_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/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_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/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_f3fbae46-46c5-40fd-8922-f9a67b37db66/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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:52,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:52,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:52,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:52,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:52,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:52,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:52,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:52,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:52,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:52,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:52,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:52,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:52,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:52,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:52,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:52,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:52,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:52,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:52,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:52,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:52,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:52,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:52,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:52,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:52,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:52,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:52,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:52,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:52,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:52,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:52,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:52,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:52,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:52,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:52,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:52,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:52,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:52,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:52,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:52,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:52,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:52,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:52,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:52,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:52,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:52,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:52,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:52,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:52,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:52,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:52,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:52,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:52,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:52,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:52,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:52,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:52,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:52,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:52,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:52,547 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:52,547 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:52,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:52,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:52,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:52,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:52,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:52,548 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:52,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:52,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:52,549 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_f3fbae46-46c5-40fd-8922-f9a67b37db66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-11-23 15:02:52,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:52,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:52,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:52,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:52,906 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:52,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-23 15:02:52,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/7e86c811b/40970e4f7a264b9487b897c846fa7534/FLAG970043a96 [2021-11-23 15:02:53,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:53,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-23 15:02:53,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/7e86c811b/40970e4f7a264b9487b897c846fa7534/FLAG970043a96 [2021-11-23 15:02:53,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/7e86c811b/40970e4f7a264b9487b897c846fa7534 [2021-11-23 15:02:53,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:53,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:53,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:53,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:53,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:53,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e5a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53, skipping insertion in model container [2021-11-23 15:02:53,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:53,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:54,318 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_f3fbae46-46c5-40fd-8922-f9a67b37db66/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-23 15:02:54,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:54,504 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:54,555 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_f3fbae46-46c5-40fd-8922-f9a67b37db66/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-23 15:02:54,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:54,684 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:54,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54 WrapperNode [2021-11-23 15:02:54,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:54,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:54,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:54,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:54,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,797 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2021-11-23 15:02:54,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:54,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:54,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:54,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:54,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:54,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:54,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:54,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:54,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:54,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:02:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:02:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:02:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:02:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:02:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:02:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-23 15:02:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-23 15:02:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:02:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:02:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:02:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:02:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-23 15:02:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-23 15:02:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:55,254 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:55,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:55,723 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:02:55,724 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-11-23 15:03:06,213 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:06,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:06,289 INFO L158 Benchmark]: Toolchain (without parser) took 12476.72ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 63.8MB in the beginning and 103.5MB in the end (delta: -39.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:06,290 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:06,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.85ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 64.4MB in the end (delta: -717.0kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:06,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.28ms. Allocated memory is still 102.8MB. Free memory was 64.4MB in the beginning and 59.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:06,293 INFO L158 Benchmark]: Boogie Preprocessor took 108.89ms. Allocated memory is still 102.8MB. Free memory was 59.8MB in the beginning and 56.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:06,294 INFO L158 Benchmark]: RCFGBuilder took 11377.41ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 103.5MB in the end (delta: -47.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:06,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.85ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 64.4MB in the end (delta: -717.0kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.28ms. Allocated memory is still 102.8MB. Free memory was 64.4MB in the beginning and 59.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.89ms. Allocated memory is still 102.8MB. Free memory was 59.8MB in the beginning and 56.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11377.41ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 103.5MB in the end (delta: -47.5MB). Peak memory consumption was 38.0MB. 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 15:03:06,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/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_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/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_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/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_f3fbae46-46c5-40fd-8922-f9a67b37db66/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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:08,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:08,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:08,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:08,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:08,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:08,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:08,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:08,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:08,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:08,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:08,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:08,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:08,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:08,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:08,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:08,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:08,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:08,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:08,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:08,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:08,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:08,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:08,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:08,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:08,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:08,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:08,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:08,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:08,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:08,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:08,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:08,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:08,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:08,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:08,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:08,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:08,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:08,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:08,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:08,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:08,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:09,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:09,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:09,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:09,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:09,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:09,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:09,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:09,019 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:09,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:09,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:09,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:09,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:09,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:09,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:09,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:09,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:09,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:09,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:09,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:09,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:09,021 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:09,022 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:09,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:09,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:09,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:09,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:09,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:09,023 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:09,023 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:09,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:09,023 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:09,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:09,024 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_f3fbae46-46c5-40fd-8922-f9a67b37db66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-11-23 15:03:09,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:09,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:09,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:09,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:09,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:09,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-23 15:03:09,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/eaed9b7de/79e7bf8849e54a78b0a8beecdf069243/FLAGd3cc08af1 [2021-11-23 15:03:10,169 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:10,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-23 15:03:10,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/eaed9b7de/79e7bf8849e54a78b0a8beecdf069243/FLAGd3cc08af1 [2021-11-23 15:03:10,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/data/eaed9b7de/79e7bf8849e54a78b0a8beecdf069243 [2021-11-23 15:03:10,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:10,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:10,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:10,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:10,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:10,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9efbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10, skipping insertion in model container [2021-11-23 15:03:10,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:10,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:11,001 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_f3fbae46-46c5-40fd-8922-f9a67b37db66/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-23 15:03:11,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:11,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:11,222 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_f3fbae46-46c5-40fd-8922-f9a67b37db66/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-23 15:03:11,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:11,330 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:11,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11 WrapperNode [2021-11-23 15:03:11,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:11,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:11,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:11,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:11,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,424 INFO L137 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2021-11-23 15:03:11,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:11,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:11,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:11,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:11,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:11,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:11,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:11,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:11,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:11" (1/1) ... [2021-11-23 15:03:11,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:11,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:11,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:11,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:03:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:03:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:03:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-23 15:03:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-23 15:03:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:03:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:03:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:03:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:03:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:03:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:03:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-23 15:03:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-23 15:03:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:11,795 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:11,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:12,492 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:03:12,493 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-11-23 15:03:23,489 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:23,560 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:23,564 INFO L158 Benchmark]: Toolchain (without parser) took 13122.77ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 54.8MB in the beginning and 49.7MB in the end (delta: 5.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:23,565 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:23,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.97ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 39.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:23,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.22ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 34.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:23,567 INFO L158 Benchmark]: Boogie Preprocessor took 97.40ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 53.0MB in the end (delta: -18.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:23,568 INFO L158 Benchmark]: RCFGBuilder took 12038.73ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 53.0MB in the beginning and 49.7MB in the end (delta: 3.4MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:23,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.97ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 39.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.22ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 34.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.40ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 53.0MB in the end (delta: -18.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 12038.73ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 53.0MB in the beginning and 49.7MB in the end (delta: 3.4MB). Peak memory consumption was 39.0MB. 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 15:03:23,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fbae46-46c5-40fd-8922-f9a67b37db66/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