./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/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_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN --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-53f42b1 [2021-11-21 06:14:47,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:14:47,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:14:47,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:14:47,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:14:47,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:14:47,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:14:47,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:14:47,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:14:47,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:14:47,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:14:47,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:14:47,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:14:47,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:14:47,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:14:47,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:14:47,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:14:47,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:14:47,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:14:47,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:14:47,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:14:47,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:14:47,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:14:47,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:14:47,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:14:47,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:14:47,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:14:47,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:14:47,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:14:47,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:14:47,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:14:47,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:14:47,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:14:47,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:14:47,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:14:47,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:14:47,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:14:47,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:14:47,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:14:47,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:14:47,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:14:47,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:14:47,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:14:47,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:14:47,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:14:47,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:14:47,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:14:47,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:14:47,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:14:47,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:14:47,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:14:47,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:14:47,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:14:47,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:14:47,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:14:47,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:14:47,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:14:47,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:14:47,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:14:47,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:14:47,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:14:47,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:14:47,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:14:47,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:47,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:14:47,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:14:47,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:14:47,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:14:47,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:14:47,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:14:47,379 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_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 306d85d0b5300749928a8392783cd7ec5acf0c4622b6bdba80c3589786dd98ad [2021-11-21 06:14:47,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:14:47,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:14:47,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:14:47,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:14:47,729 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:14:47,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-21 06:14:47,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/984dd89b0/951aa540c84f4c998f57a2f330c3ff20/FLAG735ffe78c [2021-11-21 06:14:48,315 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:14:48,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-21 06:14:48,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/984dd89b0/951aa540c84f4c998f57a2f330c3ff20/FLAG735ffe78c [2021-11-21 06:14:48,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/984dd89b0/951aa540c84f4c998f57a2f330c3ff20 [2021-11-21 06:14:48,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:14:48,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:14:48,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:48,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:14:48,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:14:48,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:48" (1/1) ... [2021-11-21 06:14:48,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1299f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:48, skipping insertion in model container [2021-11-21 06:14:48,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:48" (1/1) ... [2021-11-21 06:14:48,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:14:48,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:14:48,944 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_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-21 06:14:48,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:48,963 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:14:49,005 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_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-21 06:14:49,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:49,040 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:14:49,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49 WrapperNode [2021-11-21 06:14:49,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:49,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:49,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:14:49,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:14:49,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,081 INFO L137 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2021-11-21 06:14:49,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:49,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:14:49,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:14:49,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:14:49,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:14:49,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:14:49,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:14:49,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:14:49,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:49" (1/1) ... [2021-11-21 06:14:49,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:49,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:14:49,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:14:49,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:14:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:14:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:14:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:14:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-21 06:14:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-21 06:14:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:14:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-21 06:14:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-21 06:14:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-21 06:14:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-21 06:14:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-21 06:14:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-21 06:14:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 06:14:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 06:14:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:14:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-21 06:14:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-21 06:14:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-21 06:14:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-21 06:14:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:14:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:14:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:14:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:14:49,241 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 06:14:49,334 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:14:49,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:14:49,672 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:14:49,819 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:14:49,819 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 06:14:49,820 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L63-1 is neither atomic block end nor a sink node. [2021-11-21 06:14:49,821 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) [2021-11-21 06:14:49,825 INFO L158 Benchmark]: Toolchain (without parser) took 1146.64ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 44.7MB in the beginning and 78.6MB in the end (delta: -33.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-21 06:14:49,826 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:14:49,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.11ms. Allocated memory is still 86.0MB. Free memory was 44.5MB in the beginning and 59.2MB in the end (delta: -14.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-21 06:14:49,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.03ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:14:49,828 INFO L158 Benchmark]: Boogie Preprocessor took 55.61ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 55.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:14:49,829 INFO L158 Benchmark]: RCFGBuilder took 684.30ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 55.8MB in the beginning and 78.6MB in the end (delta: -22.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-21 06:14:49,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.11ms. Allocated memory is still 86.0MB. Free memory was 44.5MB in the beginning and 59.2MB in the end (delta: -14.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.03ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.61ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 55.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 684.30ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 55.8MB in the beginning and 78.6MB in the end (delta: -22.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:14:49,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/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_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/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_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN --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-53f42b1 [2021-11-21 06:14:52,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:14:52,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:14:52,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:14:52,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:14:52,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:14:52,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:14:52,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:14:52,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:14:52,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:14:52,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:14:52,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:14:52,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:14:52,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:14:52,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:14:52,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:14:52,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:14:52,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:14:52,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:14:52,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:14:52,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:14:52,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:14:52,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:14:52,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:14:52,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:14:52,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:14:52,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:14:52,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:14:52,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:14:52,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:14:52,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:14:52,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:14:52,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:14:52,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:14:52,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:14:52,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:14:52,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:14:52,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:14:52,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:14:52,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:14:52,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:14:52,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-21 06:14:52,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:14:52,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:14:52,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:14:52,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:14:52,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:14:52,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:14:52,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:14:52,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:14:52,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:14:52,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:14:52,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:14:52,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:14:52,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:14:52,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 06:14:52,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 06:14:52,545 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 06:14:52,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:14:52,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:14:52,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:14:52,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:14:52,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:14:52,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:14:52,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:14:52,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:52,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:14:52,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:14:52,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:14:52,548 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 06:14:52,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 06:14:52,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:14:52,548 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-21 06:14:52,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 06:14:52,549 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_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 306d85d0b5300749928a8392783cd7ec5acf0c4622b6bdba80c3589786dd98ad [2021-11-21 06:14:52,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:14:52,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:14:52,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:14:52,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:14:52,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:14:52,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-21 06:14:53,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/f80c47f8c/c7fa47f5e86f49568de5f99f5486f6e8/FLAGc7ae2a4f4 [2021-11-21 06:14:53,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:14:53,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2021-11-21 06:14:53,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/f80c47f8c/c7fa47f5e86f49568de5f99f5486f6e8/FLAGc7ae2a4f4 [2021-11-21 06:14:53,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/data/f80c47f8c/c7fa47f5e86f49568de5f99f5486f6e8 [2021-11-21 06:14:53,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:14:53,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:14:53,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:53,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:14:53,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:14:53,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:53" (1/1) ... [2021-11-21 06:14:53,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a401f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:53, skipping insertion in model container [2021-11-21 06:14:53,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:53" (1/1) ... [2021-11-21 06:14:53,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:14:53,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:14:54,169 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_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-21 06:14:54,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:54,191 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-21 06:14:54,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:14:54,216 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_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-21 06:14:54,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:54,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:14:54,265 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_b83d70c6-3a85-49ba-aff0-de796d37421f/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2823,2836] [2021-11-21 06:14:54,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:54,290 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:14:54,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54 WrapperNode [2021-11-21 06:14:54,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:54,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:54,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:14:54,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:14:54,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,338 INFO L137 Inliner]: procedures = 28, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2021-11-21 06:14:54,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:54,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:14:54,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:14:54,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:14:54,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:14:54,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:14:54,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:14:54,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:14:54,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:54" (1/1) ... [2021-11-21 06:14:54,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:14:54,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:14:54,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:14:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:14:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 06:14:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:14:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-21 06:14:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-21 06:14:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 06:14:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-21 06:14:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-21 06:14:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-21 06:14:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-21 06:14:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-21 06:14:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-21 06:14:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 06:14:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 06:14:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-21 06:14:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-21 06:14:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-21 06:14:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-21 06:14:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:14:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:14:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:14:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:14:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 06:14:54,502 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 06:14:54,682 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:14:54,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:14:55,194 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:14:55,330 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:14:55,330 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 06:14:55,331 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L63-1 is neither atomic block end nor a sink node. [2021-11-21 06:14:55,332 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) [2021-11-21 06:14:55,336 INFO L158 Benchmark]: Toolchain (without parser) took 1395.89ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 45.1MB in the end (delta: -14.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-21 06:14:55,337 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:14:55,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.05ms. Allocated memory is still 54.5MB. Free memory was 30.7MB in the beginning and 31.7MB in the end (delta: -1.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-21 06:14:55,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.75ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 30.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:14:55,345 INFO L158 Benchmark]: Boogie Preprocessor took 63.86ms. Allocated memory is still 54.5MB. Free memory was 30.0MB in the beginning and 28.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:14:55,346 INFO L158 Benchmark]: RCFGBuilder took 929.59ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.1MB in the beginning and 45.1MB in the end (delta: -17.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-21 06:14:55,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.05ms. Allocated memory is still 54.5MB. Free memory was 30.7MB in the beginning and 31.7MB in the end (delta: -1.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.75ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 30.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.86ms. Allocated memory is still 54.5MB. Free memory was 30.0MB in the beginning and 28.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 929.59ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.1MB in the beginning and 45.1MB in the end (delta: -17.0MB). Peak memory consumption was 11.8MB. 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. [2021-11-21 06:14:55,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83d70c6-3a85-49ba-aff0-de796d37421f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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?