./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c --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_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/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_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/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_67d270f1-8341-4971-8737-1fa00bb35036/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 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:13,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:13,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:13,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:13,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:13,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:13,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:13,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:13,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:13,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:13,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:13,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:13,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:13,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:13,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:13,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:13,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:13,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:13,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:13,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:13,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:13,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:13,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:13,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:13,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:13,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:13,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:13,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:13,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:13,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:13,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:13,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:13,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:13,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:13,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:13,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:13,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:13,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:13,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:13,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:13,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:13,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:13,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:13,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:13,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:13,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:13,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:13,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:13,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:13,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:13,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:13,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:13,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:13,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:13,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:13,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:13,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:13,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:13,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:13,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:13,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:13,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:13,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:13,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:13,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:13,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:13,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:13,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:13,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:13,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:13,713 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_67d270f1-8341-4971-8737-1fa00bb35036/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2021-11-23 15:05:14,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:14,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:14,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:14,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:14,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:14,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2021-11-23 15:05:14,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/b605c1f55/a75c720793e640faad68a9a6bc71196f/FLAGfc5ce6469 [2021-11-23 15:05:14,650 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:14,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2021-11-23 15:05:14,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/b605c1f55/a75c720793e640faad68a9a6bc71196f/FLAGfc5ce6469 [2021-11-23 15:05:14,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/b605c1f55/a75c720793e640faad68a9a6bc71196f [2021-11-23 15:05:14,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:15,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:15,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:15,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:15,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:15,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:15,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdf479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15, skipping insertion in model container [2021-11-23 15:05:15,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:15,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:15,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:15,262 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_67d270f1-8341-4971-8737-1fa00bb35036/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2021-11-23 15:05:15,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:15,272 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:15,292 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_67d270f1-8341-4971-8737-1fa00bb35036/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2021-11-23 15:05:15,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:15,307 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:15,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15 WrapperNode [2021-11-23 15:05:15,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:15,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:15,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:15,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:15,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,339 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2021-11-23 15:05:15,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:15,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:15,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:15,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:15,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:15,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:15,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:15,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:15,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:15,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:05:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:05:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:05:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:05:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:05:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:15,447 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 15:05:15,564 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:15,566 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:15,814 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:15,856 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:15,861 INFO L158 Benchmark]: Toolchain (without parser) took 859.97ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 63.4MB in the end (delta: 3.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,861 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:15,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.38ms. Allocated memory is still 104.9MB. Free memory was 67.0MB in the beginning and 78.4MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.01ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 76.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,864 INFO L158 Benchmark]: Boogie Preprocessor took 24.10ms. Allocated memory is still 104.9MB. Free memory was 76.6MB in the beginning and 75.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:15,865 INFO L158 Benchmark]: RCFGBuilder took 493.81ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 63.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.38ms. Allocated memory is still 104.9MB. Free memory was 67.0MB in the beginning and 78.4MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.01ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 76.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.10ms. Allocated memory is still 104.9MB. Free memory was 76.6MB in the beginning and 75.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.81ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 63.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:15,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/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_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/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_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/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_67d270f1-8341-4971-8737-1fa00bb35036/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 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:18,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:18,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:18,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:18,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:18,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:18,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:18,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:18,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:18,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:18,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:18,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:18,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:18,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:18,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:18,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:18,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:18,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:18,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:18,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:18,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:18,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:18,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:18,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:18,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:18,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:18,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:18,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:18,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:18,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:18,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:18,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:18,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:18,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:18,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:18,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:18,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:18,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:18,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:18,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:18,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:18,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:18,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:18,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:18,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:18,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:18,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:18,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:18,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:18,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:18,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:18,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:18,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:18,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:18,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:18,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:18,565 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:18,565 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:18,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:18,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:18,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:18,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:18,566 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:18,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:18,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:18,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:18,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:18,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:18,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:18,568 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:18,568 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:18,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:18,568 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:18,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:18,569 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_67d270f1-8341-4971-8737-1fa00bb35036/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2021-11-23 15:05:18,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:18,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:18,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:19,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:19,001 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:19,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2021-11-23 15:05:19,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/de6d1fdd6/386788f2e503460e9590fd4d08c9c47a/FLAG32a976f6e [2021-11-23 15:05:19,677 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:19,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2021-11-23 15:05:19,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/de6d1fdd6/386788f2e503460e9590fd4d08c9c47a/FLAG32a976f6e [2021-11-23 15:05:20,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/data/de6d1fdd6/386788f2e503460e9590fd4d08c9c47a [2021-11-23 15:05:20,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:20,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:20,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:20,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:20,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122e0acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20, skipping insertion in model container [2021-11-23 15:05:20,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:20,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:20,265 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_67d270f1-8341-4971-8737-1fa00bb35036/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2021-11-23 15:05:20,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,280 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:20,324 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_67d270f1-8341-4971-8737-1fa00bb35036/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2021-11-23 15:05:20,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,355 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:20,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20 WrapperNode [2021-11-23 15:05:20,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:20,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:20,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,407 INFO L137 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2021-11-23 15:05:20,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:20,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:20,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:20,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:20,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:20,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:20,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:20,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:20,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:20,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:20,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:05:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:05:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:05:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:05:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:05:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:05:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:05:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:05:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:20,574 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 15:05:20,697 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:20,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:20,933 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:20,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:21,006 INFO L158 Benchmark]: Toolchain (without parser) took 959.99ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.7MB in the beginning and 36.1MB in the end (delta: -3.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,009 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:21,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.91ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.5MB in the beginning and 50.7MB in the end (delta: -18.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.75ms. Allocated memory is still 67.1MB. Free memory was 50.7MB in the beginning and 49.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,013 INFO L158 Benchmark]: Boogie Preprocessor took 56.78ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 48.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:21,014 INFO L158 Benchmark]: RCFGBuilder took 536.97ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 36.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.91ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.5MB in the beginning and 50.7MB in the end (delta: -18.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.75ms. Allocated memory is still 67.1MB. Free memory was 50.7MB in the beginning and 49.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.78ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 48.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.97ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 36.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:21,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d270f1-8341-4971-8737-1fa00bb35036/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