./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 6a5987e0993a7fb4de8beb683a10e1cfcef6206b257ec623460cabeaaa785642 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:42:58,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:42:58,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:42:58,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:42:58,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:42:58,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:42:58,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:42:58,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:42:58,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:42:58,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:42:58,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:42:58,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:42:58,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:42:58,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:42:58,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:42:58,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:42:58,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:42:58,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:42:58,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:42:58,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:42:58,208 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:42:58,209 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:42:58,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:42:58,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:42:58,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:42:58,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:58,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:42:58,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:42:58,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:42:58,212 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:42:58,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:42:58,213 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:42:58,214 INFO L153 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_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a5987e0993a7fb4de8beb683a10e1cfcef6206b257ec623460cabeaaa785642 [2023-12-03 04:42:58,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:42:58,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:42:58,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:42:58,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:42:58,450 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:42:58,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i [2023-12-03 04:43:01,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:01,487 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:01,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i [2023-12-03 04:43:01,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data/69c1be52a/ed49c7da0fff4bbb982d3479b9b1e2fc/FLAG27820838e [2023-12-03 04:43:01,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data/69c1be52a/ed49c7da0fff4bbb982d3479b9b1e2fc [2023-12-03 04:43:01,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:01,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:01,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:01,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:01,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:01,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:01" (1/1) ... [2023-12-03 04:43:01,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622b762a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:01, skipping insertion in model container [2023-12-03 04:43:01,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:01" (1/1) ... [2023-12-03 04:43:01,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:02,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:02,401 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:02,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:02,634 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:02,634 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:02,634 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:02,635 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:02,643 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:02,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02 WrapperNode [2023-12-03 04:43:02,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:02,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:02,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:02,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:02,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,702 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-03 04:43:02,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:02,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:02,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:02,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:02,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:02,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:02,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:02,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:02,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:02,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:02,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:02,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:43:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:43:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:43:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:43:02,948 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:02,950 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:03,039 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:03,079 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:03,080 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:43:03,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:03 BoogieIcfgContainer [2023-12-03 04:43:03,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:03,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:03,083 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:03,091 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:03,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:03" (1/1) ... [2023-12-03 04:43:03,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:03,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:43:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:43:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:03,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:03,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:03,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:03,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:03,364 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:43:03,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 04:43:03,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:43:03 ImpRootNode [2023-12-03 04:43:03,390 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:43:03,391 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:43:03,391 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:43:03,391 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:43:03,392 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:03" (3/4) ... [2023-12-03 04:43:03,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:43:03,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:43:03,396 INFO L158 Benchmark]: Toolchain (without parser) took 1863.87ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 101.0MB in the end (delta: 31.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-12-03 04:43:03,396 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:03,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1110.64ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 134.6MB in the end (delta: -2.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-12-03 04:43:03,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.64ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 131.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:03,398 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 130.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:03,399 INFO L158 Benchmark]: RCFGBuilder took 353.60ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 116.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:43:03,399 INFO L158 Benchmark]: CodeCheck took 307.72ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 101.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:43:03,400 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 167.8MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:03,403 INFO L338 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: 0.3s, 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible 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 staticFive = 5; [L1569] CALL printLine("Calling bad()...") VAL [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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_min_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1557] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1110.64ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 134.6MB in the end (delta: -2.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.64ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 131.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 130.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.60ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 116.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 307.72ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 101.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 167.8MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:43:03,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 6a5987e0993a7fb4de8beb683a10e1cfcef6206b257ec623460cabeaaa785642 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:43:05,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:43:05,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:43:05,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:43:05,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:43:05,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:43:05,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:43:05,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:43:05,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:43:05,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:43:05,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:43:05,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:43:05,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:43:05,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:43:05,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:43:05,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:43:05,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:43:05,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:43:05,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:43:05,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:43:05,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:43:05,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:43:05,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:43:05,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:43:05,454 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:05,454 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:43:05,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:43:05,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:05,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:43:05,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:43:05,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:43:05,457 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:43:05,457 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:05,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:43:05,457 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:43:05,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:43:05,458 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a5987e0993a7fb4de8beb683a10e1cfcef6206b257ec623460cabeaaa785642 [2023-12-03 04:43:05,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:43:05,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:43:05,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:43:05,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:43:05,764 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:43:05,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i [2023-12-03 04:43:08,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:08,933 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:08,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_07_bad.i [2023-12-03 04:43:08,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data/c5252b3cc/c856b9019e414970a00ee8d017aa2a06/FLAGc2852dee3 [2023-12-03 04:43:08,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/data/c5252b3cc/c856b9019e414970a00ee8d017aa2a06 [2023-12-03 04:43:08,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:08,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:08,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:08,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:08,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:08,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:08" (1/1) ... [2023-12-03 04:43:08,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6f42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:08, skipping insertion in model container [2023-12-03 04:43:08,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:08" (1/1) ... [2023-12-03 04:43:09,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:09,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:09,922 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:10,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:10,128 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:10,128 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:10,128 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:10,128 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:10,135 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:10,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10 WrapperNode [2023-12-03 04:43:10,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:10,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:10,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:10,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:10,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,195 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-03 04:43:10,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:10,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:10,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:10,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:10,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:10,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:10,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:10,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:10,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:10,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:10,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:10,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:43:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:43:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:43:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:43:10,459 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:10,461 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:10,572 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:10,614 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:10,615 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:43:10,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:10 BoogieIcfgContainer [2023-12-03 04:43:10,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:10,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:10,618 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:10,628 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:10,628 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:10" (1/1) ... [2023-12-03 04:43:10,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:43:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:43:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:10,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:10,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:43:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:10,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:10,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:10,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:10,980 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:43:11,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-03 04:43:11,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:43:11 ImpRootNode [2023-12-03 04:43:11,006 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:43:11,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:43:11,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:43:11,007 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:43:11,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:10" (3/4) ... [2023-12-03 04:43:11,009 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:43:11,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:43:11,011 INFO L158 Benchmark]: Toolchain (without parser) took 2031.34ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 60.9MB in the end (delta: 6.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-03 04:43:11,012 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:11,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1154.48ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 64.2MB in the end (delta: 2.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-12-03 04:43:11,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.10ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 61.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:11,013 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:11,014 INFO L158 Benchmark]: RCFGBuilder took 386.53ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 42.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:43:11,015 INFO L158 Benchmark]: CodeCheck took 388.31ms. Allocated memory is still 94.4MB. Free memory was 42.7MB in the beginning and 61.5MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:11,015 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 589.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:11,019 INFO L338 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: 0.3s, 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible 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 staticFive = 5; [L1569] CALL printLine("Calling bad()...") VAL [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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_min_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1557] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1154.48ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 64.2MB in the end (delta: 2.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.10ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 61.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.53ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 42.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 388.31ms. Allocated memory is still 94.4MB. Free memory was 42.7MB in the beginning and 61.5MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 589.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:43:11,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fdcff3-f7f1-4a3d-a9b1-ca037ecc1af5/bin/ukojak-verify-Qdu7aM0XO9/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 Result: UNKNOWN: Overapproximated counterexample