./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.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_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/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_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/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_5ef5ee6a-06de-469c-8df1-dba61e612f08/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 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:42,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:42,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:42,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:42,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:42,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:42,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:42,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:42,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:42,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:42,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:42,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:42,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:42,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:42,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:42,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:42,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:42,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:42,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:42,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:42,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:42,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:42,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:42,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:42,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:42,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:42,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:42,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:42,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:42,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:42,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:42,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:42,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:42,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:42,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:42,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:42,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:42,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:42,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:42,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:42,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:42,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:42,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:42,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:42,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:42,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:42,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:42,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:42,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:42,492 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:42,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:42,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:42,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:42,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:42,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:42,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:42,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:42,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:42,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:42,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:42,500 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:42,500 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:42,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:42,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:42,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:42,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:42,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:42,502 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:42,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:42,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:42,503 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f [2021-11-23 15:04:42,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:42,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:42,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:42,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:42,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:42,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2021-11-23 15:04:42,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/2f8c69f91/f79f2387de304f1d81eca2238e96390f/FLAG40d5ba150 [2021-11-23 15:04:43,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:43,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2021-11-23 15:04:43,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/2f8c69f91/f79f2387de304f1d81eca2238e96390f/FLAG40d5ba150 [2021-11-23 15:04:43,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/2f8c69f91/f79f2387de304f1d81eca2238e96390f [2021-11-23 15:04:43,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:43,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:43,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:43,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:43,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:43,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4a83e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43, skipping insertion in model container [2021-11-23 15:04:43,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:43,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:44,076 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:04:44,431 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-11-23 15:04:44,438 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-11-23 15:04:44,439 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-11-23 15:04:44,568 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-11-23 15:04:44,570 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-11-23 15:04:44,574 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-11-23 15:04:44,575 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-11-23 15:04:44,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:44,599 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:44,623 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:04:44,658 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-11-23 15:04:44,662 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-11-23 15:04:44,664 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-11-23 15:04:44,675 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-11-23 15:04:44,679 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-11-23 15:04:44,681 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-11-23 15:04:44,682 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-11-23 15:04:44,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:44,783 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:44,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44 WrapperNode [2021-11-23 15:04:44,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:44,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:44,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:44,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:44,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,877 INFO L137 Inliner]: procedures = 310, calls = 70, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 125 [2021-11-23 15:04:44,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:44,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:44,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:44,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:44,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:44,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:44,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:44,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:44,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:44,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:45,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-11-23 15:04:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-11-23 15:04:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-11-23 15:04:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-11-23 15:04:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2021-11-23 15:04:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2021-11-23 15:04:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2021-11-23 15:04:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2021-11-23 15:04:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:04:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:45,055 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 15:04:45,179 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:45,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:45,569 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:45,581 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:04:45,581 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 15:04:45,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:45 BoogieIcfgContainer [2021-11-23 15:04:45,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:04:45,585 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:04:45,585 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:04:45,601 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:04:45,602 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,602 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:04:45,606 INFO L158 Benchmark]: Toolchain (without parser) took 1817.91ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 71.8MB in the beginning and 84.9MB in the end (delta: -13.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,607 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:45,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 994.02ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 57.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.80ms. Allocated memory is still 104.9MB. Free memory was 57.0MB in the beginning and 54.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,609 INFO L158 Benchmark]: Boogie Preprocessor took 55.06ms. Allocated memory is still 104.9MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,610 INFO L158 Benchmark]: RCFGBuilder took 649.02ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 85.8MB in the end (delta: -33.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,610 INFO L158 Benchmark]: CodeCheck took 19.39ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 84.9MB in the end (delta: 892.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 994.02ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 57.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.80ms. Allocated memory is still 104.9MB. Free memory was 57.0MB in the beginning and 54.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.06ms. Allocated memory is still 104.9MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.02ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 85.8MB in the end (delta: -33.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 19.39ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 84.9MB in the end (delta: 892.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:45,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/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_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/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_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/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_5ef5ee6a-06de-469c-8df1-dba61e612f08/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 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:48,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:48,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:48,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:48,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:48,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:48,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:48,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:48,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:48,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:48,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:48,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:48,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:48,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:48,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:48,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:48,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:48,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:48,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:48,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:48,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:48,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:48,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:48,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:48,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:48,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:48,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:48,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:48,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:48,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:48,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:48,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:48,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:48,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:48,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:48,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:48,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:48,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:48,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:48,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:48,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:48,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:48,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:48,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:48,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:48,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:48,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:48,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:48,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:48,308 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:48,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:48,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:48,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:48,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:48,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:48,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:48,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:48,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:48,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:48,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:48,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:48,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:48,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:48,313 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:48,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:48,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:48,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:48,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:48,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:48,314 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:48,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:48,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:48,315 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:48,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:48,316 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f [2021-11-23 15:04:48,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:48,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:48,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:48,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:48,753 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:48,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2021-11-23 15:04:48,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/313224d48/583cb9427a504471afc28874340ee499/FLAG8814ef030 [2021-11-23 15:04:49,448 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:49,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2021-11-23 15:04:49,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/313224d48/583cb9427a504471afc28874340ee499/FLAG8814ef030 [2021-11-23 15:04:49,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/data/313224d48/583cb9427a504471afc28874340ee499 [2021-11-23 15:04:49,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:49,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:49,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:49,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:49,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:49,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:49" (1/1) ... [2021-11-23 15:04:49,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bcc1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:49, skipping insertion in model container [2021-11-23 15:04:49,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:49" (1/1) ... [2021-11-23 15:04:49,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:49,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:50,037 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:04:50,413 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-11-23 15:04:50,417 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-11-23 15:04:50,419 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-11-23 15:04:50,484 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-11-23 15:04:50,486 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-11-23 15:04:50,488 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-11-23 15:04:50,489 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-11-23 15:04:50,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:50,509 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:50,523 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:04:50,552 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-11-23 15:04:50,553 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-11-23 15:04:50,554 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-11-23 15:04:50,569 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-11-23 15:04:50,569 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-11-23 15:04:50,572 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-11-23 15:04:50,573 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_5ef5ee6a-06de-469c-8df1-dba61e612f08/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-11-23 15:04:50,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:50,669 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:50,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50 WrapperNode [2021-11-23 15:04:50,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:50,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:50,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:50,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:50,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,753 INFO L137 Inliner]: procedures = 314, calls = 70, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 126 [2021-11-23 15:04:50,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:50,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:50,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:50,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:50,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:50,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:50,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:50,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:50,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:50,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:50,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-11-23 15:04:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-11-23 15:04:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:04:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-11-23 15:04:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-11-23 15:04:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2021-11-23 15:04:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2021-11-23 15:04:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:04:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:04:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2021-11-23 15:04:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2021-11-23 15:04:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:04:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:50,940 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 15:04:51,100 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:51,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:51,638 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:51,648 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:04:51,649 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 15:04:51,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:51 BoogieIcfgContainer [2021-11-23 15:04:51,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:04:51,652 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:04:51,652 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:04:51,662 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:04:51,662 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:51" (1/1) ... [2021-11-23 15:04:51,663 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:04:51,667 INFO L158 Benchmark]: Toolchain (without parser) took 1947.12ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.1MB in the beginning and 42.6MB in the end (delta: -7.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:51,668 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:51,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.18ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 49.8MB in the end (delta: -14.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:51,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.72ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 46.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:51,670 INFO L158 Benchmark]: Boogie Preprocessor took 100.00ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:51,671 INFO L158 Benchmark]: RCFGBuilder took 796.11ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 43.4MB in the end (delta: 1.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:51,672 INFO L158 Benchmark]: CodeCheck took 13.01ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 42.6MB in the end (delta: 870.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:51,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.18ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 49.8MB in the end (delta: -14.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.72ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 46.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.00ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.11ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 43.4MB in the end (delta: 1.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 13.01ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 42.6MB in the end (delta: 870.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:51,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef5ee6a-06de-469c-8df1-dba61e612f08/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: Concurrent programs are currently unsupported