./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI --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 ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a .......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI --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 ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a .................................................................................................................................................................................................................. 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? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:19:09,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:19:09,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:19:09,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:19:09,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:19:09,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:19:09,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:19:09,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:19:09,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:19:09,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:19:09,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:19:09,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:19:09,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:19:09,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:19:09,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:19:09,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:19:09,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:19:09,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:19:09,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:19:09,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:19:09,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:19:09,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:19:09,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:19:09,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:19:09,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:19:09,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:19:09,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:19:09,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:19:09,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:19:09,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:19:09,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:19:09,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:19:09,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:19:09,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:19:09,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:19:09,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:19:09,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:19:09,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:19:09,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:19:09,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:19:09,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:19:09,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:19:09,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:19:09,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:19:09,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:19:09,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:19:09,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:19:09,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:19:09,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:19:09,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:19:09,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:19:09,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:19:09,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:19:09,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:19:09,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:19:09,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:19:09,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:19:09,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:19:09,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:19:09,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:19:09,459 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:19:09,459 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:19:09,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:19:09,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:09,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:19:09,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:19:09,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:19:09,460 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:19:09,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:19:09,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:19:09,461 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_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a [2021-10-29 03:19:09,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:19:09,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:19:09,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:19:09,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:19:09,802 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:19:09,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-10-29 03:19:09,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/c568f9f8b/5d0de262cd7842dfaaf2c87bda540644/FLAG0c71f5159 [2021-10-29 03:19:10,272 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:19:10,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-10-29 03:19:10,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/c568f9f8b/5d0de262cd7842dfaaf2c87bda540644/FLAG0c71f5159 [2021-10-29 03:19:10,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/c568f9f8b/5d0de262cd7842dfaaf2c87bda540644 [2021-10-29 03:19:10,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:19:10,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:19:10,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:10,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:19:10,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:19:10,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:10,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a94509f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10, skipping insertion in model container [2021-10-29 03:19:10,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:10,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:19:10,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:19:10,914 WARN L228 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_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-10-29 03:19:10,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:10,938 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:19:10,968 WARN L228 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_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-10-29 03:19:10,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:10,986 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:19:10,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10 WrapperNode [2021-10-29 03:19:10,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:10,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:10,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:19:10,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:19:10,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:11,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:19:11,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:19:11,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:19:11,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:19:11,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:19:11,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:19:11,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:19:11,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:10" (1/1) ... [2021-10-29 03:19:11,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:19:11,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:19:11,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:19:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:19:11,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:19:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:19:11,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:19:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:19:11,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:19:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:19:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:19:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:19:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-10-29 03:19:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-10-29 03:19:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:19:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:19:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:19:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:19:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:19:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:19:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:19:11,145 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 03:19:11,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:19:11,756 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:19:11,757 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-10-29 03:19:11,765 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:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:19:11,769 INFO L168 Benchmark]: Toolchain (without parser) took 1094.10 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.3 MB in the beginning and 57.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:11,770 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:11,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.10 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.1 MB in the beginning and 82.1 MB in the end (delta: -30.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:11,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 80.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:11,773 INFO L168 Benchmark]: Boogie Preprocessor took 31.62 ms. Allocated memory is still 107.0 MB. Free memory was 80.4 MB in the beginning and 78.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:11,774 INFO L168 Benchmark]: RCFGBuilder took 710.70 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 57.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:11,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.10 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.1 MB in the beginning and 82.1 MB in the end (delta: -30.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 80.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.62 ms. Allocated memory is still 107.0 MB. Free memory was 80.4 MB in the beginning and 78.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 710.70 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 57.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:19:11,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:19:14,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:19:14,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:19:14,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:19:14,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:19:14,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:19:14,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:19:14,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:19:14,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:19:14,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:19:14,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:19:14,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:19:14,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:19:14,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:19:14,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:19:14,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:19:14,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:19:14,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:19:14,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:19:14,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:19:14,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:19:14,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:19:14,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:19:14,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:19:14,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:19:14,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:19:14,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:19:14,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:19:14,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:19:14,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:19:14,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:19:14,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:19:14,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:19:14,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:19:14,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:19:14,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:19:14,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:19:14,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:19:14,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:19:14,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:19:14,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:19:14,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 03:19:14,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:19:14,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:19:14,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:19:14,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:19:14,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:19:14,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:19:14,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:19:14,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:19:14,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:19:14,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:19:14,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:19:14,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:19:14,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:19:14,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:19:14,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:19:14,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:19:14,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:19:14,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:19:14,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:19:14,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:19:14,389 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:19:14,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:19:14,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:19:14,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:14,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:19:14,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:19:14,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:19:14,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:19:14,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:19:14,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:19:14,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:19:14,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:19:14,392 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_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a [2021-10-29 03:19:14,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:19:14,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:19:14,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:19:14,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:19:14,817 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:19:14,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-10-29 03:19:14,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/5b5f0f478/51a6c8b1177b4a3cacde58a1c74ebfa6/FLAGdea64ac7c [2021-10-29 03:19:15,433 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:19:15,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-10-29 03:19:15,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/5b5f0f478/51a6c8b1177b4a3cacde58a1c74ebfa6/FLAGdea64ac7c [2021-10-29 03:19:15,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/data/5b5f0f478/51a6c8b1177b4a3cacde58a1c74ebfa6 [2021-10-29 03:19:15,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:19:15,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:19:15,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:15,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:19:15,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:19:15,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:15" (1/1) ... [2021-10-29 03:19:15,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15244d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:15, skipping insertion in model container [2021-10-29 03:19:15,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:15" (1/1) ... [2021-10-29 03:19:15,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:19:15,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:19:16,085 WARN L228 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_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-10-29 03:19:16,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:16,148 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 03:19:16,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:19:16,172 WARN L228 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_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-10-29 03:19:16,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:16,181 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:19:16,203 WARN L228 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_28a11786-73cc-42d9-bf92-df58077553dc/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-10-29 03:19:16,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:16,222 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:19:16,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16 WrapperNode [2021-10-29 03:19:16,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:16,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:16,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:19:16,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:19:16,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:16,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:19:16,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:19:16,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:19:16,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:19:16,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:19:16,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:19:16,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:19:16,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:16" (1/1) ... [2021-10-29 03:19:16,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:19:16,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:19:16,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:19:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:19:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:19:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:19:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:19:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:19:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:19:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:19:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:19:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-10-29 03:19:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-10-29 03:19:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:19:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:19:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:19:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:19:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:19:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:19:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:19:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 03:19:16,404 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 03:19:17,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:19:17,300 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:19:17,301 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-10-29 03:19:17,302 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:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:19:17,306 INFO L168 Benchmark]: Toolchain (without parser) took 1410.32 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.7 MB in the beginning and 38.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,306 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:17,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.00 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 38.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 58.7 MB. Free memory was 38.5 MB in the beginning and 36.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,309 INFO L168 Benchmark]: Boogie Preprocessor took 55.47 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 35.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:17,309 INFO L168 Benchmark]: RCFGBuilder took 987.05 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.2 MB in the beginning and 38.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 327.00 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 38.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 58.7 MB. Free memory was 38.5 MB in the beginning and 36.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.47 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 35.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 987.05 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.2 MB in the beginning and 38.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:19:17,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28a11786-73cc-42d9-bf92-df58077553dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...