./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ --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 306d85d0b5300749928a8392783cd7ec5acf0c4622b6bdba80c3589786dd98ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:13:42,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:13:42,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:13:42,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:13:42,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:13:42,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:13:42,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:13:42,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:13:42,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:13:42,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:13:42,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:13:42,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:13:42,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:13:42,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:13:42,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:13:42,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:13:42,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:13:42,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:13:42,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:13:42,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:13:42,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:13:42,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:13:42,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:13:42,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:13:42,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:13:42,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:13:42,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:13:42,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:13:42,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:13:42,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:13:42,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:13:42,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:13:42,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:13:42,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:13:42,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:13:42,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:13:42,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:13:42,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:13:42,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:13:42,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:13:42,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:13:42,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:13:42,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:13:42,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:13:42,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:13:42,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:13:42,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:13:42,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:13:42,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:13:42,713 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:13:42,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:13:42,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:13:42,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:13:42,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:13:42,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:13:42,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:13:42,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:13:42,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:13:42,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:13:42,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:13:42,717 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:13:42,717 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:13:42,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:13:42,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:42,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:13:42,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:13:42,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:13:42,718 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:13:42,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:13:42,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:13:42,719 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_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 306d85d0b5300749928a8392783cd7ec5acf0c4622b6bdba80c3589786dd98ad [2021-11-23 01:13:42,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:13:42,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:13:42,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:13:42,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:13:42,980 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:13:42,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-23 01:13:43,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/21cb073c7/355cf03882644f5a87631b674c3adca8/FLAGbfeb9a5d5 [2021-11-23 01:13:43,504 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:13:43,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-23 01:13:43,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/21cb073c7/355cf03882644f5a87631b674c3adca8/FLAGbfeb9a5d5 [2021-11-23 01:13:43,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/21cb073c7/355cf03882644f5a87631b674c3adca8 [2021-11-23 01:13:43,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:13:43,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:13:43,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:43,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:13:43,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:13:43,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:43" (1/1) ... [2021-11-23 01:13:43,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84e16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:43, skipping insertion in model container [2021-11-23 01:13:43,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:43" (1/1) ... [2021-11-23 01:13:43,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:13:43,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:13:44,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-23 01:13:44,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:44,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:13:44,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-23 01:13:44,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:44,216 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:13:44,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44 WrapperNode [2021-11-23 01:13:44,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:44,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:44,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:13:44,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:13:44,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,286 INFO L137 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2021-11-23 01:13:44,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:44,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:13:44,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:13:44,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:13:44,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:13:44,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:13:44,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:13:44,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:13:44,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:44" (1/1) ... [2021-11-23 01:13:44,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:44,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:13:44,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:13:44,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:13:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:13:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:13:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:13:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:13:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:13:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:13:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:13:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:13:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:13:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:13:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:13:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:13:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:13:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:13:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:13:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 01:13:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 01:13:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:13:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:13:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:13:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:13:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:13:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:13:44,464 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:13:44,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:13:44,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:13:44,949 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:13:45,052 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:13:45,052 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:13:45,053 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L63-1 is neither atomic block end nor a sink node. [2021-11-23 01:13:45,054 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:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:13:45,063 INFO L158 Benchmark]: Toolchain (without parser) took 1171.87ms. Allocated memory is still 125.8MB. Free memory was 63.4MB in the beginning and 73.9MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:13:45,064 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:13:45,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.12ms. Allocated memory is still 125.8MB. Free memory was 63.3MB in the beginning and 99.5MB in the end (delta: -36.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 01:13:45,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.50ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 97.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:45,067 INFO L158 Benchmark]: Boogie Preprocessor took 75.13ms. Allocated memory is still 125.8MB. Free memory was 97.6MB in the beginning and 96.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:13:45,068 INFO L158 Benchmark]: RCFGBuilder took 696.19ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 73.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:45,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.12ms. Allocated memory is still 125.8MB. Free memory was 63.3MB in the beginning and 99.5MB in the end (delta: -36.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.50ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 97.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.13ms. Allocated memory is still 125.8MB. Free memory was 97.6MB in the beginning and 96.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 696.19ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 73.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:13:45,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ --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 306d85d0b5300749928a8392783cd7ec5acf0c4622b6bdba80c3589786dd98ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:13:47,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:13:47,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:13:47,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:13:47,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:13:47,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:13:47,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:13:47,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:13:47,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:13:47,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:13:47,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:13:47,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:13:47,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:13:47,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:13:47,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:13:47,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:13:47,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:13:47,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:13:47,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:13:47,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:13:47,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:13:47,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:13:47,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:13:47,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:13:47,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:13:47,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:13:47,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:13:47,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:13:47,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:13:47,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:13:47,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:13:47,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:13:47,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:13:47,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:13:47,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:13:47,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:13:47,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:13:47,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:13:47,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:13:47,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:13:47,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:13:47,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:13:47,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:13:47,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:13:47,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:13:47,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:13:47,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:13:47,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:13:47,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:13:47,680 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:13:47,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:13:47,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:13:47,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:13:47,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:13:47,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:13:47,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:13:47,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:13:47,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:13:47,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:13:47,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:13:47,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:13:47,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:13:47,684 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:13:47,684 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:13:47,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:13:47,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:47,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:13:47,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:13:47,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:13:47,685 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:13:47,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:13:47,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:13:47,686 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:13:47,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:13:47,686 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_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 306d85d0b5300749928a8392783cd7ec5acf0c4622b6bdba80c3589786dd98ad [2021-11-23 01:13:48,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:13:48,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:13:48,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:13:48,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:13:48,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:13:48,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-23 01:13:48,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/82a85bde1/4a2e93ced44e438486e64067c16c4da7/FLAGce8bcb876 [2021-11-23 01:13:48,786 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:13:48,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-23 01:13:48,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/82a85bde1/4a2e93ced44e438486e64067c16c4da7/FLAGce8bcb876 [2021-11-23 01:13:49,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/data/82a85bde1/4a2e93ced44e438486e64067c16c4da7 [2021-11-23 01:13:49,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:13:49,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:13:49,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:49,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:13:49,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:13:49,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3ff0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49, skipping insertion in model container [2021-11-23 01:13:49,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:13:49,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:13:49,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-23 01:13:49,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:49,383 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:13:49,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:13:49,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-23 01:13:49,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:49,447 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:13:49,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-23 01:13:49,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:49,519 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:13:49,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49 WrapperNode [2021-11-23 01:13:49,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:49,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:49,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:13:49,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:13:49,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,562 INFO L137 Inliner]: procedures = 28, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2021-11-23 01:13:49,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:49,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:13:49,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:13:49,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:13:49,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:13:49,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:13:49,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:13:49,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:13:49,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:49" (1/1) ... [2021-11-23 01:13:49,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:49,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:13:49,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:13:49,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:13:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:13:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 01:13:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 01:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:13:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:13:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:13:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:13:49,728 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:13:49,868 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:13:49,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:13:50,309 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:13:50,518 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:13:50,518 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:13:50,519 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L63-1 is neither atomic block end nor a sink node. [2021-11-23 01:13:50,525 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:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:13:50,531 INFO L158 Benchmark]: Toolchain (without parser) took 1428.76ms. Allocated memory is still 81.8MB. Free memory was 64.4MB in the beginning and 59.3MB in the end (delta: 5.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2021-11-23 01:13:50,532 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:13:50,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.78ms. Allocated memory is still 81.8MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:13:50,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.75ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 60.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:50,536 INFO L158 Benchmark]: Boogie Preprocessor took 40.06ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 58.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:50,537 INFO L158 Benchmark]: RCFGBuilder took 924.84ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 59.3MB in the end (delta: -948.0kB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 01:13:50,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.78ms. Allocated memory is still 81.8MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.75ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 60.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.06ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 58.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 924.84ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 59.3MB in the end (delta: -948.0kB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:13:50,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80329932-3521-4ae5-963f-1cd57941405e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?