./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI --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 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:57:11,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:57:11,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:57:11,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:57:11,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:57:11,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:57:11,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:57:11,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:57:11,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:57:11,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:57:11,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:57:11,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:57:11,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:57:11,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:57:11,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:57:11,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:57:11,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:57:11,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:57:11,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:57:11,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:57:11,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:57:11,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:57:11,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:57:11,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:57:12,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:57:12,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:57:12,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:57:12,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:57:12,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:57:12,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:57:12,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:57:12,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:57:12,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:57:12,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:57:12,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:57:12,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:57:12,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:57:12,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:57:12,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:57:12,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:57:12,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:57:12,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-29 02:57:12,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:57:12,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:57:12,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:57:12,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:57:12,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:57:12,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:57:12,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:57:12,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:57:12,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 02:57:12,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:57:12,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:57:12,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:57:12,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:57:12,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:57:12,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:57:12,107 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 02:57:12,107 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:57:12,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:57:12,108 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:57:12,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:57:12,109 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:57:12,109 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:57:12,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:57:12,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:12,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:57:12,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:57:12,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:57:12,111 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:57:12,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:57:12,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:57:12,112 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_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c [2021-10-29 02:57:12,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:57:12,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:57:12,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:57:12,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:57:12,512 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:57:12,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2021-10-29 02:57:12,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/data/d9492d31c/d42691b4326c4d2ca34a1ff074fbd680/FLAG70ec74613 [2021-10-29 02:57:13,274 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:57:13,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2021-10-29 02:57:13,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/data/d9492d31c/d42691b4326c4d2ca34a1ff074fbd680/FLAG70ec74613 [2021-10-29 02:57:13,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/data/d9492d31c/d42691b4326c4d2ca34a1ff074fbd680 [2021-10-29 02:57:13,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:57:13,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:57:13,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:13,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:57:13,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:57:13,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7272e635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13, skipping insertion in model container [2021-10-29 02:57:13,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:57:13,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:57:13,924 WARN L228 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_2f2a4222-c39d-401e-9a5b-f8602c9f7603/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c[809,822] [2021-10-29 02:57:13,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:13,968 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:57:13,995 WARN L228 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_2f2a4222-c39d-401e-9a5b-f8602c9f7603/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c[809,822] [2021-10-29 02:57:13,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:14,013 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:57:14,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14 WrapperNode [2021-10-29 02:57:14,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:14,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:14,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:57:14,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:57:14,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:14,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:57:14,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:57:14,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:57:14,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:57:14,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:57:14,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:57:14,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:57:14,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:14,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:57:14,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:57:14,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:57:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:57:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:57:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:57:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:57:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2021-10-29 02:57:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2021-10-29 02:57:14,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:57:14,587 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 02:57:14,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:14 BoogieIcfgContainer [2021-10-29 02:57:14,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:57:14,592 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:57:14,592 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:57:14,610 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:57:14,610 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:57:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2021-10-29 02:57:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2021-10-29 02:57:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 02:57:14,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:14,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:57:14,881 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:57:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:57:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:57:15,045 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:57:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:57:15,088 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-29 02:57:15,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:57:15 ImpRootNode [2021-10-29 02:57:15,142 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:57:15,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:57:15,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:57:15,147 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:57:15,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:14" (3/4) ... [2021-10-29 02:57:15,151 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 02:57:15,234 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:57:15,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:57:15,238 INFO L168 Benchmark]: Toolchain (without parser) took 1585.09 ms. Allocated memory is still 107.0 MB. Free memory was 70.8 MB in the beginning and 54.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:15,245 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory was 78.2 MB in the beginning and 78.1 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:57:15,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.11 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 82.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:15,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.62 ms. Allocated memory is still 107.0 MB. Free memory was 82.2 MB in the beginning and 81.2 MB in the end (delta: 964.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:57:15,248 INFO L168 Benchmark]: Boogie Preprocessor took 25.28 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 80.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:15,249 INFO L168 Benchmark]: RCFGBuilder took 505.91 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 68.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:15,250 INFO L168 Benchmark]: CodeCheck took 550.06 ms. Allocated memory is still 107.0 MB. Free memory was 68.0 MB in the beginning and 56.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:15,254 INFO L168 Benchmark]: Witness Printer took 88.74 ms. Allocated memory is still 107.0 MB. Free memory was 56.5 MB in the beginning and 54.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:15,262 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, 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 0.33 ms. Allocated memory is still 107.0 MB. Free memory was 78.2 MB in the beginning and 78.1 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.11 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 82.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.62 ms. Allocated memory is still 107.0 MB. Free memory was 82.2 MB in the beginning and 81.2 MB in the end (delta: 964.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.28 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 80.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 505.91 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 68.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 550.06 ms. Allocated memory is still 107.0 MB. Free memory was 68.0 MB in the beginning and 56.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 88.74 ms. Allocated memory is still 107.0 MB. Free memory was 56.5 MB in the beginning and 54.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 02:57:15,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2a4222-c39d-401e-9a5b-f8602c9f7603/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...