./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4 --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 fe6c35faf1873d5068015ca1d36acd182a26853a6632c16e7310045d06d3386e --- 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-2329fc7 [2022-12-15 02:33:54,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:33:54,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:33:54,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:33:54,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:33:54,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:33:54,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:33:54,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:33:54,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:33:54,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:33:54,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:33:54,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:33:54,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:33:54,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:33:54,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:33:54,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:33:54,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:33:54,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:33:54,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:33:54,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:33:54,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:33:54,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:33:54,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:33:54,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:33:54,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:33:54,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:33:54,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:33:54,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:33:54,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:33:54,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:33:54,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:33:54,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:33:54,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:33:54,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:33:54,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:33:54,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:33:54,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:33:54,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:33:54,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:33:54,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:33:54,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:33:54,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:33:54,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:33:54,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:33:54,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:33:54,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:33:54,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:33:54,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:33:54,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:33:54,283 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:33:54,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:33:54,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:33:54,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:33:54,283 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:33:54,283 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:33:54,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:33:54,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:33:54,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:33:54,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:33:54,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:33:54,284 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:33:54,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:33:54,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:33:54,284 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_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe6c35faf1873d5068015ca1d36acd182a26853a6632c16e7310045d06d3386e [2022-12-15 02:33:54,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:33:54,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:33:54,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:33:54,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:33:54,469 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:33:54,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i [2022-12-15 02:33:56,989 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:33:57,260 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:33:57,261 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i [2022-12-15 02:33:57,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/data/f198d2e18/8e5755eca82b489eae06becf8deef069/FLAG8b6c95b30 [2022-12-15 02:33:57,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/data/f198d2e18/8e5755eca82b489eae06becf8deef069 [2022-12-15 02:33:57,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:33:57,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:33:57,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:33:57,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:33:57,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:33:57,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:33:57" (1/1) ... [2022-12-15 02:33:57,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27aea165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:57, skipping insertion in model container [2022-12-15 02:33:57,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:33:57" (1/1) ... [2022-12-15 02:33:57,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:33:57,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:33:57,871 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:33:58,157 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:33:58,162 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:58,164 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:58,166 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:58,167 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:58,187 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:33:58,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:33:58,199 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:33:58,215 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:33:58,258 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:33:58,259 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:58,261 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:58,263 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:58,263 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:58,267 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:33:58,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:33:58,386 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:33:58,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58 WrapperNode [2022-12-15 02:33:58,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:33:58,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:33:58,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:33:58,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:33:58,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,434 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2022-12-15 02:33:58,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:33:58,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:33:58,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:33:58,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:33:58,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,456 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:33:58,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:33:58,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:33:58,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:33:58,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:33:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:33:58,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:33:58,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:33:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:33:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:33:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:33:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:33:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:33:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:33:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:33:58,622 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:33:58,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:33:58,698 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:33:58,730 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:33:58,730 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 02:33:58,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:33:58 BoogieIcfgContainer [2022-12-15 02:33:58,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:33:58,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:33:58,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:33:58,742 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:33:58,742 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:33:58" (1/1) ... [2022-12-15 02:33:58,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:33:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-15 02:33:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-15 02:33:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:33:58,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:33:58,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:33:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:33:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:33:58,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:33:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:33:58,981 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-15 02:33:59,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:33:59 ImpRootNode [2022-12-15 02:33:59,003 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:33:59,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:33:59,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:33:59,004 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:33:59,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:33:58" (3/4) ... [2022-12-15 02:33:59,006 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 02:33:59,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:33:59,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:33:59,046 INFO L158 Benchmark]: Toolchain (without parser) took 1479.39ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 110.1MB in the beginning and 115.3MB in the end (delta: -5.2MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,046 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:33:59,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.77ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 109.7MB in the beginning and 149.8MB in the end (delta: -40.1MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.46ms. Allocated memory is still 192.9MB. Free memory was 149.8MB in the beginning and 146.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,048 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 192.9MB. Free memory was 146.8MB in the beginning and 145.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,048 INFO L158 Benchmark]: RCFGBuilder took 272.06ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 132.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,049 INFO L158 Benchmark]: CodeCheck took 269.61ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 117.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,049 INFO L158 Benchmark]: Witness Printer took 41.73ms. Allocated memory is still 192.9MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:59,052 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: 0.2s, 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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] int CWE191_Integer_Underflow__int_min_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_min_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_sub_22_badGlobal) VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_min_sub_22_badGlobal=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] [L1572] data - 1 VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_min_sub_22_badGlobal=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 0.19ms. Allocated memory is still 151.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.77ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 109.7MB in the beginning and 149.8MB in the end (delta: -40.1MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.46ms. Allocated memory is still 192.9MB. Free memory was 149.8MB in the beginning and 146.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 192.9MB. Free memory was 146.8MB in the beginning and 145.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.06ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 132.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 269.61ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 117.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 41.73ms. Allocated memory is still 192.9MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 02:33:59,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f63387-c929-4d19-a385-d6f905bebaa5/bin/ukojak-rkRKPMF4O4/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)