./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB --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 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:40:39,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:39,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:39,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:39,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:39,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:39,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:39,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:39,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:39,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:39,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:39,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:39,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:39,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:39,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:39,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:39,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:39,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:39,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:39,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:39,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:39,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:39,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:39,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:39,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:39,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:39,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:39,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:39,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:39,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:39,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:39,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:39,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:39,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:39,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:39,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:39,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:39,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:39,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:39,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:39,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:39,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:39,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:39,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:39,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:39,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:39,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:39,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:39,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:39,542 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:39,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:39,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:39,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:39,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:39,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:39,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:39,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:39,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:39,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:39,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:39,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:39,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:39,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:39,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:39,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:39,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:39,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:39,547 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:39,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:39,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:39,550 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d [2022-10-17 16:40:39,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:39,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:39,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:39,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:39,894 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:39,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2022-10-17 16:40:39,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/ea67c942c/500244c42176407fb35efc7b140d4f97/FLAGa0db66f7c [2022-10-17 16:40:40,436 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:40,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2022-10-17 16:40:40,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/ea67c942c/500244c42176407fb35efc7b140d4f97/FLAGa0db66f7c [2022-10-17 16:40:40,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/ea67c942c/500244c42176407fb35efc7b140d4f97 [2022-10-17 16:40:40,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:40,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:40,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:40,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:40,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:40,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:40" (1/1) ... [2022-10-17 16:40:40,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5816ccae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:40, skipping insertion in model container [2022-10-17 16:40:40,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:40" (1/1) ... [2022-10-17 16:40:40,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:40,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:41,236 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-10-17 16:40:41,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:41,268 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:41,338 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-10-17 16:40:41,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:41,362 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:41,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41 WrapperNode [2022-10-17 16:40:41,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:41,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:41,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:41,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:41,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,445 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2022-10-17 16:40:41,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:41,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:41,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:41,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:41,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:41,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:41,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:41,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:41,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:41" (1/1) ... [2022-10-17 16:40:41,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:41,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:41,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:41,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:40:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:40:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:40:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:40:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:40:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:40:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:40:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:40:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:41,631 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:40:41,788 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:41,791 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:42,288 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:42,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:42,565 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:40:42,567 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L72-4 is neither atomic block end nor a sink node. [2022-10-17 16:40:42,568 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2022-10-17 16:40:42,574 INFO L158 Benchmark]: Toolchain (without parser) took 1633.00ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 59.4MB in the beginning and 99.2MB in the end (delta: -39.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:42,576 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 76.3MB in the end (delta: 66.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:42,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.64ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 69.9MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:40:42,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.87ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 68.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:42,580 INFO L158 Benchmark]: Boogie Preprocessor took 61.40ms. Allocated memory is still 98.6MB. Free memory was 68.0MB in the beginning and 66.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:42,581 INFO L158 Benchmark]: RCFGBuilder took 1047.85ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 66.0MB in the beginning and 99.2MB in the end (delta: -33.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-10-17 16:40:42,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 76.3MB in the end (delta: 66.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.64ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 69.9MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.87ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 68.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.40ms. Allocated memory is still 98.6MB. Free memory was 68.0MB in the beginning and 66.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1047.85ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 66.0MB in the beginning and 99.2MB in the end (delta: -33.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:40:42,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB --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 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:40:45,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:45,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:45,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:45,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:45,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:45,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:45,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:45,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:45,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:45,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:45,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:45,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:45,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:45,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:45,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:45,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:45,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:45,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:45,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:45,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:45,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:45,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:45,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:45,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:45,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:45,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:45,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:45,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:45,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:45,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:45,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:45,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:45,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:45,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:45,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:45,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:45,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:45,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:45,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:45,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:45,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:40:45,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:45,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:45,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:45,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:45,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:45,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:45,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:45,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:45,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:45,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:45,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:45,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:45,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:45,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:40:45,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:40:45,269 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:40:45,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:45,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:45,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:45,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:45,270 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:45,270 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:45,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:45,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:45,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:45,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:45,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:45,271 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:40:45,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:40:45,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:45,272 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:40:45,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:40:45,273 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d [2022-10-17 16:40:45,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:45,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:45,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:45,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:45,669 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:45,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2022-10-17 16:40:45,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/f7a714762/cca3eb508a314c91ba4a84c5477a6f80/FLAG09f014269 [2022-10-17 16:40:46,332 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:46,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2022-10-17 16:40:46,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/f7a714762/cca3eb508a314c91ba4a84c5477a6f80/FLAG09f014269 [2022-10-17 16:40:46,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/data/f7a714762/cca3eb508a314c91ba4a84c5477a6f80 [2022-10-17 16:40:46,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:46,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:46,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:46,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:46,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:46,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b63d401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46, skipping insertion in model container [2022-10-17 16:40:46,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:46,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:46,959 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-10-17 16:40:46,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:47,047 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:40:47,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:47,104 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-10-17 16:40:47,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:47,137 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:47,192 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_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-10-17 16:40:47,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:47,228 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:47,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47 WrapperNode [2022-10-17 16:40:47,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:47,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:47,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:47,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:47,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,299 INFO L138 Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 96 [2022-10-17 16:40:47,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:47,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:47,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:47,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:47,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,375 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:47,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:47,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:47,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:47,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:47,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:47,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:47,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:40:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:40:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:40:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:40:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:40:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:40:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:40:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:40:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:40:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:40:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:40:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:40:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:40:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:40:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:40:47,477 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:40:47,691 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:47,693 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:48,246 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:48,466 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:48,466 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:40:48,467 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L72-4 is neither atomic block end nor a sink node. [2022-10-17 16:40:48,468 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2022-10-17 16:40:48,472 INFO L158 Benchmark]: Toolchain (without parser) took 1814.24ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 57.2MB in the beginning and 68.6MB in the end (delta: -11.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-10-17 16:40:48,473 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:48,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.68ms. Allocated memory is still 73.4MB. Free memory was 57.0MB in the beginning and 52.8MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:40:48,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.15ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 50.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:48,475 INFO L158 Benchmark]: Boogie Preprocessor took 86.52ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 48.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:48,476 INFO L158 Benchmark]: RCFGBuilder took 1082.22ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.6MB in the beginning and 68.6MB in the end (delta: -20.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-10-17 16:40:48,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.68ms. Allocated memory is still 73.4MB. Free memory was 57.0MB in the beginning and 52.8MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.15ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 50.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.52ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 48.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.22ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.6MB in the beginning and 68.6MB in the end (delta: -20.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:40:48,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b90bb0-0ce3-4bc5-80bd-e01793a41ea8/bin/ukojak-92XMlrwhuB/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?