./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 --- 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-6b4ec56 [2022-11-20 16:47:20,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:47:20,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:47:20,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:47:20,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:47:20,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:47:20,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:47:20,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:47:20,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:47:20,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:47:20,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:47:20,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:47:20,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:47:20,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:47:20,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:47:20,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:47:20,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:47:20,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:47:20,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:47:20,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:47:20,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:47:20,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:47:20,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:47:20,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:47:20,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:47:20,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:47:20,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:47:20,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:47:20,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:47:20,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:47:20,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:47:20,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:47:20,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:47:20,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:47:20,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:47:20,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:47:20,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:47:20,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:47:20,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:47:20,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:47:20,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:47:20,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:47:20,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:47:20,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:47:20,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:47:20,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:47:20,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:47:20,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:47:20,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:47:20,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:47:20,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:47:20,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:47:20,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:47:20,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:47:20,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:47:20,337 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:47:20,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:47:20,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:47:20,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:47:20,338 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:47:20,338 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:47:20,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:47:20,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:47:20,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:47:20,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:47:20,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:47:20,340 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:47:20,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:47:20,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:47:20,341 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_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 [2022-11-20 16:47:20,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:47:20,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:47:20,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:47:20,752 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:47:20,753 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:47:20,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2022-11-20 16:47:24,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:47:24,691 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:47:24,692 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2022-11-20 16:47:24,723 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/data/990588045/9127d6a237fe4f83b9c1e7e1771e34ff/FLAG9db432404 [2022-11-20 16:47:24,743 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/data/990588045/9127d6a237fe4f83b9c1e7e1771e34ff [2022-11-20 16:47:24,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:47:24,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:47:24,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:47:24,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:47:24,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:47:24,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:47:24" (1/1) ... [2022-11-20 16:47:24,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474f24b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:24, skipping insertion in model container [2022-11-20 16:47:24,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:47:24" (1/1) ... [2022-11-20 16:47:24,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:47:24,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:47:25,343 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:47:26,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:47:26,095 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:47:26,133 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:47:26,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:47:26,380 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:47:26,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26 WrapperNode [2022-11-20 16:47:26,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:47:26,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:47:26,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:47:26,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:47:26,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,437 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2022-11-20 16:47:26,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:47:26,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:47:26,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:47:26,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:47:26,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,468 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:47:26,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:47:26,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:47:26,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:47:26,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:47:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:47:26,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:47:26,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:47:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:47:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:47:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:47:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:47:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:47:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:47:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:47:26,776 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:47:26,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:47:26,918 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:47:26,962 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:47:26,963 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:47:26,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:47:26 BoogieIcfgContainer [2022-11-20 16:47:26,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:47:26,967 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:47:26,967 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:47:26,978 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:47:26,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:47:26" (1/1) ... [2022-11-20 16:47:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:47:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 16:47:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 16:47:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:47:27,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:27,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 16:47:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 16:47:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:47:27,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:27,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:47:27,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:47:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:47:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:47:27,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:47:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:47:27,838 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:47:27,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:47:27 ImpRootNode [2022-11-20 16:47:27,908 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:47:27,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:47:27,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:47:27,911 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:47:27,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:47:26" (3/4) ... [2022-11-20 16:47:27,914 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:47:27,983 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:47:27,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:47:27,984 INFO L158 Benchmark]: Toolchain (without parser) took 3236.02ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 83.7MB in the end (delta: 32.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-11-20 16:47:27,985 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:47:27,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.54ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 56.9MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 16:47:27,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.67ms. Allocated memory is still 148.9MB. Free memory was 56.5MB in the beginning and 54.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:47:27,987 INFO L158 Benchmark]: Boogie Preprocessor took 33.66ms. Allocated memory is still 148.9MB. Free memory was 54.0MB in the beginning and 52.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:47:27,988 INFO L158 Benchmark]: RCFGBuilder took 493.06ms. Allocated memory is still 148.9MB. Free memory was 52.3MB in the beginning and 110.9MB in the end (delta: -58.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-20 16:47:27,989 INFO L158 Benchmark]: CodeCheck took 941.71ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 86.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 16:47:27,989 INFO L158 Benchmark]: Witness Printer took 72.88ms. Allocated memory is still 148.9MB. Free memory was 86.5MB in the beginning and 83.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:47:27,994 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 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, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1554]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [\old(data)=-2147483648, badStatic=1, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [\old(data)=-2147483648, badStatic=1, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.54ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 56.9MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.67ms. Allocated memory is still 148.9MB. Free memory was 56.5MB in the beginning and 54.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.66ms. Allocated memory is still 148.9MB. Free memory was 54.0MB in the beginning and 52.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.06ms. Allocated memory is still 148.9MB. Free memory was 52.3MB in the beginning and 110.9MB in the end (delta: -58.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * CodeCheck took 941.71ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 86.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 72.88ms. Allocated memory is still 148.9MB. Free memory was 86.5MB in the beginning and 83.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:47:28,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925e217a-b969-4673-8306-6beeb7b13a77/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)