./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB --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 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:25,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:25,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:25,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:25,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:25,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:25,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:25,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:25,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:25,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:25,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:25,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:25,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:25,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:25,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:25,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:25,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:25,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:25,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:25,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:25,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:25,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:25,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:25,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:25,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:25,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:25,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:25,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:25,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:25,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:25,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:25,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:25,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:25,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:25,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:25,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:25,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:25,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:25,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:25,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:25,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:25,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:49:25,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:25,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:25,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:25,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:25,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:25,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:25,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:25,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:25,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:49:25,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:25,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:25,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:25,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:25,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:25,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:25,578 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:49:25,578 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:25,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:25,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:25,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:25,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:25,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:25,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:25,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:25,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:25,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:25,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:25,580 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:25,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:25,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:25,581 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_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c [2022-10-17 16:49:25,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:25,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:25,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:25,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:25,859 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:25,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2022-10-17 16:49:25,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/data/82e33703b/c87f246881044f349169c6a2225ec59f/FLAG8225ae75c [2022-10-17 16:49:26,399 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:26,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2022-10-17 16:49:26,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/data/82e33703b/c87f246881044f349169c6a2225ec59f/FLAG8225ae75c [2022-10-17 16:49:26,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/data/82e33703b/c87f246881044f349169c6a2225ec59f [2022-10-17 16:49:26,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:26,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:26,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:26,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:26,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:26,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba9fc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26, skipping insertion in model container [2022-10-17 16:49:26,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:26,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:27,045 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_129a8cff-516a-417e-b876-25b90456d508/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c[809,822] [2022-10-17 16:49:27,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:27,060 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:27,079 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_129a8cff-516a-417e-b876-25b90456d508/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c[809,822] [2022-10-17 16:49:27,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:27,094 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:27,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27 WrapperNode [2022-10-17 16:49:27,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:27,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:27,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:27,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:27,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,133 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-10-17 16:49:27,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:27,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:27,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:27,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:27,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:27,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:27,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:27,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:27,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:27,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:27,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:27,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2022-10-17 16:49:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2022-10-17 16:49:27,367 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:27,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:27,634 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:27,665 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:27,666 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:49:27,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:27 BoogieIcfgContainer [2022-10-17 16:49:27,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:27,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:27,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:27,682 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:27,683 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-10-17 16:49:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-10-17 16:49:27,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:27,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:27,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:27,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:28,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:28,110 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:49:28,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:49:28 ImpRootNode [2022-10-17 16:49:28,138 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:49:28,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:49:28,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:49:28,140 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:49:28,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:27" (3/4) ... [2022-10-17 16:49:28,142 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:49:28,180 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:49:28,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:49:28,181 INFO L158 Benchmark]: Toolchain (without parser) took 1405.57ms. Allocated memory is still 104.9MB. Free memory was 64.4MB in the beginning and 53.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:28,182 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:28,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.93ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 81.3MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:28,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.58ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:28,184 INFO L158 Benchmark]: Boogie Preprocessor took 24.15ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:28,185 INFO L158 Benchmark]: RCFGBuilder took 509.46ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 67.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:28,186 INFO L158 Benchmark]: CodeCheck took 468.09ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 55.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:28,186 INFO L158 Benchmark]: Witness Printer took 41.08ms. Allocated memory is still 104.9MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:28,190 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 2 procedures, 34 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] int n = __VERIFIER_nondet_int(); [L31] CALL addition(m,n) VAL [\old(m)=2147483647, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L20] m+1 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.93ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 81.3MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.58ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.15ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.46ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 67.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 468.09ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 55.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 41.08ms. Allocated memory is still 104.9MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:49:28,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129a8cff-516a-417e-b876-25b90456d508/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)