./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/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_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN --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 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:35:14,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:35:14,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:35:14,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:35:14,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:35:14,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:35:14,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:35:14,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:35:14,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:35:14,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:35:14,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:35:14,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:35:14,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:35:14,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:35:14,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:35:14,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:35:14,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:35:14,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:35:14,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:35:14,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:35:14,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:35:14,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:35:14,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:35:14,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:35:14,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:35:14,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:35:14,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:35:14,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:35:14,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:35:14,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:35:14,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:35:14,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:35:14,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:35:14,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:35:14,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:35:14,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:35:14,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:35:14,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:35:14,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:35:14,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:35:14,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:35:14,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:35:14,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:35:14,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:35:14,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:35:14,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:35:14,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:35:14,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:35:14,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:35:14,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:35:14,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:35:14,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:35:14,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:35:14,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:35:14,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:35:14,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:35:14,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:35:14,403 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:35:14,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:35:14,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:35:14,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:35:14,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:35:14,405 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:35:14,405 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:35:14,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:35:14,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:35:14,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:35:14,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:35:14,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:35:14,406 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:35:14,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:35:14,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:35:14,409 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_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59 [2021-11-21 05:35:14,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:35:14,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:35:14,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:35:14,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:35:14,760 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:35:14,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2021-11-21 05:35:14,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/data/ed9fdadc9/b62bd5359e224f1dbb9edf449b38062b/FLAG7a2048845 [2021-11-21 05:35:15,403 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:35:15,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2021-11-21 05:35:15,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/data/ed9fdadc9/b62bd5359e224f1dbb9edf449b38062b/FLAG7a2048845 [2021-11-21 05:35:15,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/data/ed9fdadc9/b62bd5359e224f1dbb9edf449b38062b [2021-11-21 05:35:15,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:35:15,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:35:15,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:35:15,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:35:15,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:35:15,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:35:15" (1/1) ... [2021-11-21 05:35:15,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec766a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:15, skipping insertion in model container [2021-11-21 05:35:15,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:35:15" (1/1) ... [2021-11-21 05:35:15,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:35:15,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:35:16,019 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_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/sv-benchmarks/c/loop-zilu/benchmark07_linear.i[868,881] [2021-11-21 05:35:16,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:35:16,057 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:35:16,072 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_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/sv-benchmarks/c/loop-zilu/benchmark07_linear.i[868,881] [2021-11-21 05:35:16,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:35:16,103 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:35:16,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16 WrapperNode [2021-11-21 05:35:16,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:35:16,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:35:16,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:35:16,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:35:16,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,145 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2021-11-21 05:35:16,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:35:16,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:35:16,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:35:16,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:35:16,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:35:16,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:35:16,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:35:16,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:35:16,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:35:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:35:16,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:35:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:35:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:35:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:35:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:35:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:35:16,339 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:35:16,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:35:16,521 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:35:16,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:35:16,554 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:35:16,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:35:16 BoogieIcfgContainer [2021-11-21 05:35:16,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:35:16,571 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:35:16,571 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:35:16,582 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:35:16,582 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:35:16" (1/1) ... [2021-11-21 05:35:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:35:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-21 05:35:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-21 05:35:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:35:16,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:16,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-21 05:35:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-21 05:35:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:35:16,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:16,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-21 05:35:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-21 05:35:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:35:17,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:17,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:35:17,042 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:35:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:35:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:35:17,105 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:35:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:35:17,129 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-11-21 05:35:17,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:35:17 ImpRootNode [2021-11-21 05:35:17,165 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:35:17,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:35:17,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:35:17,166 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:35:17,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:35:16" (3/4) ... [2021-11-21 05:35:17,168 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 05:35:17,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afb3e4f-fad0-4bd7-a3f2-5bde20a28c3c/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:35:17,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:35:17,225 INFO L158 Benchmark]: Toolchain (without parser) took 1459.78ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 44.5MB in the end (delta: 21.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-21 05:35:17,228 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:35:17,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.83ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 76.3MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:35:17,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:35:17,231 INFO L158 Benchmark]: Boogie Preprocessor took 39.32ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 73.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:35:17,232 INFO L158 Benchmark]: RCFGBuilder took 384.31ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 63.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:35:17,233 INFO L158 Benchmark]: CodeCheck took 593.54ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 46.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 05:35:17,233 INFO L158 Benchmark]: Witness Printer took 55.26ms. Allocated memory is still 100.7MB. Free memory was 45.9MB in the beginning and 44.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:35:17,239 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 1 procedures, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int n = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] _Bool flag = __VERIFIER_nondet_bool(); [L24] i=0 VAL [i=0, k=2147483647, n=9] [L25] COND FALSE !(!(n>0 && n<10)) VAL [i=0, k=2147483647, n=9] [L26] COND TRUE i