./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.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_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/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_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/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_26eda542-4a6b-49b0-8656-833ebda244de/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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- 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 17:06:34,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:34,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:34,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:34,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:34,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:34,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:34,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:34,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:34,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:34,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:34,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:34,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:34,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:34,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:34,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:34,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:34,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:34,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:34,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:34,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:34,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:34,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:34,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:34,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:34,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:34,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:34,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:34,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:34,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:34,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:34,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:34,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:34,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:34,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:34,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:34,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:34,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:34,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:34,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:34,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:34,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:34,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:34,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:34,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:34,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:34,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:34,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:34,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:34,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:34,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:34,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:34,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:34,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:34,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:34,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:34,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:34,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:34,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:34,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:34,642 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:34,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:34,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:34,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:34,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:34,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:34,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:34,644 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:34,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:34,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:34,644 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_26eda542-4a6b-49b0-8656-833ebda244de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2022-10-17 17:06:34,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:34,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:34,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:34,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:34,986 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:34,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-10-17 17:06:35,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/c522dc690/65eb451e485843d7b00666ffa690a9da/FLAG9407f9f5b [2022-10-17 17:06:35,547 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:35,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-10-17 17:06:35,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/c522dc690/65eb451e485843d7b00666ffa690a9da/FLAG9407f9f5b [2022-10-17 17:06:35,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/c522dc690/65eb451e485843d7b00666ffa690a9da [2022-10-17 17:06:35,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:35,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:35,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:35,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:35,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:35,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:35" (1/1) ... [2022-10-17 17:06:35,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9f2cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:35, skipping insertion in model container [2022-10-17 17:06:35,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:35" (1/1) ... [2022-10-17 17:06:35,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:35,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:36,171 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_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-10-17 17:06:36,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:36,188 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:36,220 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_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-10-17 17:06:36,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:36,255 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:36,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36 WrapperNode [2022-10-17 17:06:36,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:36,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:36,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:36,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:36,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,305 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-10-17 17:06:36,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:36,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:36,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:36,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:36,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,358 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:36,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:36,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:36,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:36,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:36" (1/1) ... [2022-10-17 17:06:36,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:36,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:36,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:06:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:06:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:06:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 17:06:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 17:06:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 17:06:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 17:06:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 17:06:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 17:06:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 17:06:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 17:06:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:06:36,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:06:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:06:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:06:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:06:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:36,473 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 17:06:36,589 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:36,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:37,001 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:37,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:37,166 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:06:37,167 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2022-10-17 17:06:37,168 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 17:06:37,173 INFO L158 Benchmark]: Toolchain (without parser) took 1274.25ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 47.3MB in the beginning and 76.1MB in the end (delta: -28.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:06:37,174 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:06:37,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.67ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 47.0MB in the beginning and 80.1MB in the end (delta: -33.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-10-17 17:06:37,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.27ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 78.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:06:37,177 INFO L158 Benchmark]: Boogie Preprocessor took 68.98ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:06:37,178 INFO L158 Benchmark]: RCFGBuilder took 794.46ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 76.1MB in the end (delta: 493.0kB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-10-17 17:06:37,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.67ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 47.0MB in the beginning and 80.1MB in the end (delta: -33.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.27ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 78.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.98ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 794.46ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 76.1MB in the end (delta: 493.0kB). Peak memory consumption was 25.5MB. 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 17:06:37,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/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_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/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_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/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_26eda542-4a6b-49b0-8656-833ebda244de/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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- 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 17:06:39,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:39,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:39,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:39,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:39,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:39,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:39,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:39,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:39,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:39,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:39,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:39,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:39,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:39,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:39,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:39,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:39,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:39,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:39,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:39,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:39,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:39,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:39,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:39,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:39,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:39,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:39,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:39,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:39,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:39,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:39,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:39,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:39,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:39,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:39,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:39,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:39,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:39,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:39,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:39,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:39,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:06:39,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:39,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:39,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:39,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:39,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:39,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:39,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:39,928 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:39,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:39,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:39,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:39,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:39,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:39,930 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:06:39,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:06:39,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:06:39,931 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:39,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:39,932 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:39,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:39,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:39,932 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:39,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:39,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:39,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:39,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:39,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:39,934 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:06:39,934 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:06:39,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:39,935 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:06:39,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:06:39,935 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_26eda542-4a6b-49b0-8656-833ebda244de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2022-10-17 17:06:40,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:40,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:40,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:40,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:40,356 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:40,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-10-17 17:06:40,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/204f5d1e9/8a57997abfca448690db0c1ffba3c34f/FLAG163c91aa6 [2022-10-17 17:06:40,957 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:40,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-10-17 17:06:40,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/204f5d1e9/8a57997abfca448690db0c1ffba3c34f/FLAG163c91aa6 [2022-10-17 17:06:41,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/data/204f5d1e9/8a57997abfca448690db0c1ffba3c34f [2022-10-17 17:06:41,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:41,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:41,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:41,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:41,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:41,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3260863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41, skipping insertion in model container [2022-10-17 17:06:41,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:41,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:41,627 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_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-10-17 17:06:41,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:41,671 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 17:06:41,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:41,709 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_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-10-17 17:06:41,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:41,717 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:41,744 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_26eda542-4a6b-49b0-8656-833ebda244de/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-10-17 17:06:41,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:41,763 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:41,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41 WrapperNode [2022-10-17 17:06:41,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:41,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:41,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:41,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:41,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,807 INFO L138 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2022-10-17 17:06:41,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:41,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:41,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:41,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:41,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:41,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:41,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:41,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:41,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:41" (1/1) ... [2022-10-17 17:06:41,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:41,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:41,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:41,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:06:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:06:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:06:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 17:06:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 17:06:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 17:06:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 17:06:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 17:06:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 17:06:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 17:06:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 17:06:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:06:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:06:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:06:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:06:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:06:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:06:41,943 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 17:06:42,106 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:42,108 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:42,639 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:42,851 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:42,851 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:06:42,852 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2022-10-17 17:06:42,853 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 17:06:42,858 INFO L158 Benchmark]: Toolchain (without parser) took 1538.83ms. Allocated memory was 46.1MB in the beginning and 58.7MB in the end (delta: 12.6MB). Free memory was 29.9MB in the beginning and 25.0MB in the end (delta: 4.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-10-17 17:06:42,859 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 46.1MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:06:42,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.07ms. Allocated memory was 46.1MB in the beginning and 58.7MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 38.5MB in the end (delta: -8.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-10-17 17:06:42,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.68ms. Allocated memory is still 58.7MB. Free memory was 38.3MB in the beginning and 36.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:06:42,862 INFO L158 Benchmark]: Boogie Preprocessor took 41.79ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 34.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:06:42,863 INFO L158 Benchmark]: RCFGBuilder took 1004.22ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 25.0MB in the end (delta: 9.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-10-17 17:06:42,867 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 46.1MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.07ms. Allocated memory was 46.1MB in the beginning and 58.7MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 38.5MB in the end (delta: -8.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.68ms. Allocated memory is still 58.7MB. Free memory was 38.3MB in the beginning and 36.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.79ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 34.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1004.22ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 25.0MB in the end (delta: 9.6MB). Peak memory consumption was 14.3MB. 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 17:06:42,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eda542-4a6b-49b0-8656-833ebda244de/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?