./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d1b4f878f349b01f3590c559873a0592fcefb7dcee6776147b1461d6eff5d64d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:12,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:12,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:12,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:12,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:12,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:12,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:12,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:12,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:12,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:12,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:12,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:12,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:12,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:12,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:12,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:12,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:12,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:12,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:12,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:12,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:12,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:12,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:12,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:12,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:12,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:12,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:12,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:12,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:12,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:12,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:12,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:12,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:12,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:12,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:12,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:12,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:12,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:12,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:12,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:12,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:12,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 15:42:12,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:12,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:12,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:12,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:12,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:12,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:12,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:12,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:42:12,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:12,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:12,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:12,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:12,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:12,327 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 15:42:12,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:12,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:12,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:12,328 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:12,328 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:12,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:12,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:12,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:12,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:12,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:12,329 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:12,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:12,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:12,330 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_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b4f878f349b01f3590c559873a0592fcefb7dcee6776147b1461d6eff5d64d [2021-11-23 15:42:12,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:12,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:12,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:12,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:12,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:12,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c [2021-11-23 15:42:12,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/data/652ba3f89/3e8f87657fd04bff8ca3c6cb10507c62/FLAG9396b5a70 [2021-11-23 15:42:13,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:13,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c [2021-11-23 15:42:13,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/data/652ba3f89/3e8f87657fd04bff8ca3c6cb10507c62/FLAG9396b5a70 [2021-11-23 15:42:13,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/data/652ba3f89/3e8f87657fd04bff8ca3c6cb10507c62 [2021-11-23 15:42:13,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:13,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:13,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:13,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:13,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:13,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d1c48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13, skipping insertion in model container [2021-11-23 15:42:13,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:13,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:13,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:13,747 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:13,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:13,788 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:13,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13 WrapperNode [2021-11-23 15:42:13,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:13,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:13,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:13,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:13,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,822 INFO L137 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8 [2021-11-23 15:42:13,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:13,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:13,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:13,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:13,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:13,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:13,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:13,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:13,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:13,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:13,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:13,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-23 15:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-23 15:42:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:13,979 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:13,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:14,069 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:14,084 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:42:14,084 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:42:14,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:14 BoogieIcfgContainer [2021-11-23 15:42:14,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:42:14,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:42:14,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:42:14,100 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:42:14,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:14" (1/1) ... [2021-11-23 15:42:14,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:42:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-23 15:42:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-23 15:42:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:42:14,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:14,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:14,224 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:42:14,227 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:42:14,232 INFO L158 Benchmark]: Toolchain (without parser) took 657.47ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 61.2MB in the beginning and 84.6MB in the end (delta: -23.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,233 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:14,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.81ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 61.2MB in the beginning and 103.0MB in the end (delta: -41.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.96ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 101.4MB in the end (delta: 803.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:14,236 INFO L158 Benchmark]: Boogie Preprocessor took 16.53ms. Allocated memory is still 125.8MB. Free memory was 101.4MB in the beginning and 100.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,237 INFO L158 Benchmark]: RCFGBuilder took 247.02ms. Allocated memory is still 125.8MB. Free memory was 100.1MB in the beginning and 91.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,238 INFO L158 Benchmark]: CodeCheck took 141.47ms. Allocated memory is still 125.8MB. Free memory was 91.7MB in the beginning and 84.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.81ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 61.2MB in the beginning and 103.0MB in the end (delta: -41.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.96ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 101.4MB in the end (delta: 803.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.53ms. Allocated memory is still 125.8MB. Free memory was 101.4MB in the beginning and 100.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 247.02ms. Allocated memory is still 125.8MB. Free memory was 100.1MB in the beginning and 91.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 141.47ms. Allocated memory is still 125.8MB. Free memory was 91.7MB in the beginning and 84.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:42:14,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aca6143-2811-4a6e-b37e-f77c4a3ebc56/bin/ukojak-CwSLpZB5Qu/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable