./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL --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 32bit --witnessprinter.graph.data.programhash 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:33:43,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:33:43,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:33:43,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:33:43,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:33:43,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:33:43,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:33:43,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:33:43,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:33:43,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:33:43,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:33:43,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:33:43,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:33:43,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:33:43,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:33:43,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:33:43,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:33:43,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:33:43,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:33:43,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:33:43,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:33:43,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:33:43,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:33:43,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:33:43,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:33:43,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:33:43,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:33:43,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:33:43,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:33:43,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:33:43,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:33:43,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:33:43,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:33:43,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:33:43,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:33:43,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:33:43,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:33:43,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:33:43,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:33:43,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:33:43,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:33:43,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:33:43,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:33:43,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:33:43,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:33:43,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:33:43,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:33:43,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:33:43,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:33:43,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:33:43,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:33:43,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:33:43,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:33:43,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:33:43,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:33:43,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:33:43,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:33:43,771 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:33:43,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:33:43,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:33:43,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:33:43,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:33:43,773 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:33:43,773 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:33:43,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:33:43,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:33:43,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:33:43,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:33:43,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:33:43,774 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:33:43,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:33:43,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:33:43,775 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_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 [2021-11-25 06:33:44,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:33:44,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:33:44,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:33:44,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:33:44,095 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:33:44,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-11-25 06:33:44,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/data/41f46e314/d4a2b0548cdf4eb69d7c06a1698848ed/FLAG858c6c064 [2021-11-25 06:33:44,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:33:44,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-11-25 06:33:44,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/data/41f46e314/d4a2b0548cdf4eb69d7c06a1698848ed/FLAG858c6c064 [2021-11-25 06:33:45,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/data/41f46e314/d4a2b0548cdf4eb69d7c06a1698848ed [2021-11-25 06:33:45,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:33:45,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:33:45,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:33:45,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:33:45,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:33:45,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcead0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45, skipping insertion in model container [2021-11-25 06:33:45,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:33:45,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:33:45,242 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_d1045032-74d7-4575-b3a5-342275795544/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-11-25 06:33:45,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:33:45,251 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:33:45,267 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_d1045032-74d7-4575-b3a5-342275795544/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-11-25 06:33:45,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:33:45,285 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:33:45,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45 WrapperNode [2021-11-25 06:33:45,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:33:45,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:33:45,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:33:45,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:33:45,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,325 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-25 06:33:45,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:33:45,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:33:45,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:33:45,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:33:45,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:33:45,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:33:45,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:33:45,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:33:45,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:33:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:33:45,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:33:45,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:33:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:33:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:33:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-25 06:33:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-25 06:33:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:33:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:33:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-25 06:33:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-25 06:33:45,534 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:33:45,536 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:33:45,664 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:33:45,690 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:33:45,690 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 06:33:45,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:45 BoogieIcfgContainer [2021-11-25 06:33:45,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:33:45,694 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:33:45,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:33:45,704 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:33:45,704 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:45" (1/1) ... [2021-11-25 06:33:45,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:33:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-25 06:33:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-25 06:33:45,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 06:33:45,782 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-25 06:33:45,789 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-25 06:33:45,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:33:45 ImpRootNode [2021-11-25 06:33:45,810 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:33:45,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:33:45,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:33:45,812 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:33:45,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:45" (3/4) ... [2021-11-25 06:33:45,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 06:33:45,821 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-11-25 06:33:45,833 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-25 06:33:45,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-25 06:33:45,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 06:33:45,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 06:33:45,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 06:33:45,884 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:33:45,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:33:45,885 INFO L158 Benchmark]: Toolchain (without parser) took 861.41ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 60.1MB in the end (delta: 13.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-25 06:33:45,886 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:33:45,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.29ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 80.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:33:45,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.89ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:33:45,889 INFO L158 Benchmark]: Boogie Preprocessor took 36.18ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 78.1MB in the end (delta: 782.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:33:45,890 INFO L158 Benchmark]: RCFGBuilder took 320.97ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 68.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:33:45,891 INFO L158 Benchmark]: CodeCheck took 116.59ms. Allocated memory is still 104.9MB. Free memory was 68.0MB in the beginning and 62.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:33:45,892 INFO L158 Benchmark]: Witness Printer took 73.04ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 60.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:33:45,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.29ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 80.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.89ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.18ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 78.1MB in the end (delta: 782.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.97ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 68.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 116.59ms. Allocated memory is still 104.9MB. Free memory was 68.0MB in the beginning and 62.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 73.04ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 60.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 06:33:45,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1045032-74d7-4575-b3a5-342275795544/bin/ukojak-d1pc8ZmBRL/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: TRUE