./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.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_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/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_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/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_20d201ec-a877-4aa6-a1cb-5f383a046804/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 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 ........................................................................................................................................................................................................ 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_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/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_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/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_20d201ec-a877-4aa6-a1cb-5f383a046804/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 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 ................................................................................................................................................................................................................ 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 04:05:12,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:05:12,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:05:12,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:05:12,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:05:12,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:05:12,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:05:12,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:05:12,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:05:12,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:05:12,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:05:12,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:05:12,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:05:12,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:05:12,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:05:12,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:05:12,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:05:12,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:05:12,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:05:12,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:05:12,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:05:12,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:05:12,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:05:12,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:05:12,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:05:12,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:05:12,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:05:12,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:05:12,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:05:12,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:05:12,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:05:12,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:05:12,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:05:12,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:05:12,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:05:12,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:05:12,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:05:12,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:05:12,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:05:12,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:05:12,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:05:12,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:05:13,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:05:13,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:05:13,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:05:13,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:05:13,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:05:13,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:05:13,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:05:13,025 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:05:13,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:05:13,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:05:13,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:05:13,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:05:13,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:05:13,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:05:13,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:05:13,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:05:13,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:05:13,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:05:13,035 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:05:13,035 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:05:13,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:05:13,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:13,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:05:13,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:05:13,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:05:13,037 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:05:13,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:05:13,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:05:13,037 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_20d201ec-a877-4aa6-a1cb-5f383a046804/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2021-10-29 04:05:13,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:05:13,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:05:13,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:05:13,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:05:13,341 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:05:13,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2021-10-29 04:05:13,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/77f64b2c9/ce4f70c69d544f3c8e923296a7343108/FLAGd8aff1459 [2021-10-29 04:05:14,021 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:05:14,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2021-10-29 04:05:14,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/77f64b2c9/ce4f70c69d544f3c8e923296a7343108/FLAGd8aff1459 [2021-10-29 04:05:14,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/77f64b2c9/ce4f70c69d544f3c8e923296a7343108 [2021-10-29 04:05:14,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:05:14,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:05:14,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:14,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:05:14,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:05:14,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b94431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14, skipping insertion in model container [2021-10-29 04:05:14,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:05:14,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:05:14,602 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_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2021-10-29 04:05:14,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:14,618 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:05:14,656 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_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2021-10-29 04:05:14,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:14,676 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:05:14,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14 WrapperNode [2021-10-29 04:05:14,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:14,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:14,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:05:14,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:05:14,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:14,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:05:14,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:05:14,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:05:14,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:05:14,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:05:14,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:05:14,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:05:14,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:14" (1/1) ... [2021-10-29 04:05:14,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:05:14,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:05:14,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:05:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 04:05:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 04:05:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 04:05:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 04:05:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:05:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:05:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:05:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:05:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:05:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 04:05:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 04:05:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:05:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:05:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:05:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:05:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:05:14,839 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 04:05:15,428 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:05:15,428 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 04:05:15,429 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-10-29 04:05:15,433 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 04:05:15,443 INFO L168 Benchmark]: Toolchain (without parser) took 1079.99 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 88.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:15,444 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 138.4 MB. Free memory was 109.7 MB in the beginning and 109.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:15,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.36 ms. Allocated memory is still 138.4 MB. Free memory was 102.0 MB in the beginning and 111.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:15,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.46 ms. Allocated memory is still 138.4 MB. Free memory was 111.0 MB in the beginning and 109.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:15,447 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 138.4 MB. Free memory was 109.6 MB in the beginning and 108.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:15,448 INFO L168 Benchmark]: RCFGBuilder took 688.44 ms. Allocated memory is still 138.4 MB. Free memory was 108.3 MB in the beginning and 88.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:15,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 138.4 MB. Free memory was 109.7 MB in the beginning and 109.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.36 ms. Allocated memory is still 138.4 MB. Free memory was 102.0 MB in the beginning and 111.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.46 ms. Allocated memory is still 138.4 MB. Free memory was 111.0 MB in the beginning and 109.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.82 ms. Allocated memory is still 138.4 MB. Free memory was 109.6 MB in the beginning and 108.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 688.44 ms. Allocated memory is still 138.4 MB. Free memory was 108.3 MB in the beginning and 88.6 MB in the end (delta: 19.7 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 04:05:15,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:05:17,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:05:17,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:05:18,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:05:18,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:05:18,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:05:18,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:05:18,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:05:18,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:05:18,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:05:18,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:05:18,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:05:18,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:05:18,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:05:18,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:05:18,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:05:18,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:05:18,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:05:18,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:05:18,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:05:18,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:05:18,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:05:18,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:05:18,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:05:18,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:05:18,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:05:18,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:05:18,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:05:18,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:05:18,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:05:18,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:05:18,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:05:18,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:05:18,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:05:18,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:05:18,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:05:18,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:05:18,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:05:18,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:05:18,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:05:18,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:05:18,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 04:05:18,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:05:18,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:05:18,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:05:18,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:05:18,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:05:18,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:05:18,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:05:18,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:05:18,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:05:18,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:05:18,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:05:18,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:05:18,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:05:18,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:05:18,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:05:18,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:05:18,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:05:18,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:05:18,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:05:18,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:05:18,150 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:05:18,150 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:05:18,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:05:18,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:18,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:05:18,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:05:18,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:05:18,152 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:05:18,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:05:18,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:05:18,152 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 04:05:18,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:05:18,153 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_20d201ec-a877-4aa6-a1cb-5f383a046804/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2021-10-29 04:05:18,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:05:18,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:05:18,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:05:18,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:05:18,511 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:05:18,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2021-10-29 04:05:18,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/4e8c57721/6278d33564494690a2914a9ccea73593/FLAG517c42fe2 [2021-10-29 04:05:19,109 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:05:19,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2021-10-29 04:05:19,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/4e8c57721/6278d33564494690a2914a9ccea73593/FLAG517c42fe2 [2021-10-29 04:05:19,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/data/4e8c57721/6278d33564494690a2914a9ccea73593 [2021-10-29 04:05:19,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:05:19,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:05:19,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:19,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:05:19,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:05:19,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e1d978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19, skipping insertion in model container [2021-10-29 04:05:19,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:05:19,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:05:19,692 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_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2021-10-29 04:05:19,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:19,723 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:05:19,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:05:19,741 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_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2021-10-29 04:05:19,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:19,764 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:05:19,817 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_20d201ec-a877-4aa6-a1cb-5f383a046804/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2021-10-29 04:05:19,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:19,839 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:05:19,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19 WrapperNode [2021-10-29 04:05:19,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:19,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:19,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:05:19,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:05:19,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:19,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:05:19,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:05:19,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:05:19,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:05:19,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:05:19,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:05:19,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:05:19,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:19" (1/1) ... [2021-10-29 04:05:19,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:19,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:05:19,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:05:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:05:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 04:05:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 04:05:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 04:05:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 04:05:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:05:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:05:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:05:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:05:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 04:05:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 04:05:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:05:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:05:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:05:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:05:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:05:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:05:20,054 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 04:05:20,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:05:20,880 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 04:05:20,881 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-10-29 04:05:20,882 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 04:05:20,886 INFO L168 Benchmark]: Toolchain (without parser) took 1420.95 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 38.4 MB in the beginning and 62.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:20,886 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:20,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.02 ms. Allocated memory is still 60.8 MB. Free memory was 38.2 MB in the beginning and 42.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:20,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.06 ms. Allocated memory is still 60.8 MB. Free memory was 42.5 MB in the beginning and 40.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:20,889 INFO L168 Benchmark]: Boogie Preprocessor took 63.24 ms. Allocated memory is still 60.8 MB. Free memory was 40.9 MB in the beginning and 39.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:20,890 INFO L168 Benchmark]: RCFGBuilder took 918.27 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 39.5 MB in the beginning and 62.5 MB in the end (delta: -23.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:20,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.02 ms. Allocated memory is still 60.8 MB. Free memory was 38.2 MB in the beginning and 42.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.06 ms. Allocated memory is still 60.8 MB. Free memory was 42.5 MB in the beginning and 40.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.24 ms. Allocated memory is still 60.8 MB. Free memory was 40.9 MB in the beginning and 39.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 918.27 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 39.5 MB in the beginning and 62.5 MB in the end (delta: -23.0 MB). Peak memory consumption was 16.4 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 04:05:20,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d201ec-a877-4aa6-a1cb-5f383a046804/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...