./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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 b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:53:44,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:53:44,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 20:53:44,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:53:44,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:53:44,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:53:44,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:53:44,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:53:44,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:53:44,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:53:44,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:53:44,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:53:44,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:53:44,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:53:44,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:53:44,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:53:44,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:53:44,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:53:44,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:53:44,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:53:44,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:53:44,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:53:44,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:53:44,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:53:44,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:53:44,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:44,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:53:44,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:53:44,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:53:44,184 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:53:44,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:53:44,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:53:44,186 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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 [2023-12-02 20:53:44,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:53:44,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:53:44,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:53:44,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:53:44,435 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:53:44,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2023-12-02 20:53:47,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:53:47,597 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:53:47,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2023-12-02 20:53:47,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data/55e9711d9/41f2e1a6a1e04598b177f7aa5b6e39bf/FLAG9886bcc5a [2023-12-02 20:53:47,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data/55e9711d9/41f2e1a6a1e04598b177f7aa5b6e39bf [2023-12-02 20:53:47,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:53:47,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:53:47,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:47,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:53:47,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:53:47,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:47" (1/1) ... [2023-12-02 20:53:47,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4bc5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:47, skipping insertion in model container [2023-12-02 20:53:47,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:47" (1/1) ... [2023-12-02 20:53:47,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:53:48,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:48,447 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:53:48,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:48,665 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:48,666 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:48,666 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:48,666 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:48,672 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:53:48,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48 WrapperNode [2023-12-02 20:53:48,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:48,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:48,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:53:48,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:53:48,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,735 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-12-02 20:53:48,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:48,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:53:48,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:53:48,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:53:48,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:53:48,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:53:48,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:53:48,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:53:48,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:48" (1/1) ... [2023-12-02 20:53:48,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:48,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:53:48,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:53:48,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:53:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 20:53:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 20:53:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:53:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:53:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:53:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 20:53:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:53:48,974 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:53:48,976 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:53:49,159 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:53:49,337 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:53:49,337 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:53:49,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:49 BoogieIcfgContainer [2023-12-02 20:53:49,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:53:49,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:53:49,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:53:49,347 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:53:49,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:49" (1/1) ... [2023-12-02 20:53:49,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:53:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 20:53:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 20:53:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:53:49,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:53:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:53:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:49,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:53:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:49,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:53:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:49,897 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 20:53:49,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-02 20:53:49,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:53:49 ImpRootNode [2023-12-02 20:53:49,924 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 20:53:49,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:53:49,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:53:49,925 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:53:49,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:49" (3/4) ... [2023-12-02 20:53:49,928 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 20:53:49,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:53:49,930 INFO L158 Benchmark]: Toolchain (without parser) took 2288.45ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 95.7MB in the beginning and 127.8MB in the end (delta: -32.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 20:53:49,930 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:49,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1030.40ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 95.7MB in the beginning and 139.8MB in the end (delta: -44.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-12-02 20:53:49,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.80ms. Allocated memory is still 197.1MB. Free memory was 139.8MB in the beginning and 135.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:53:49,932 INFO L158 Benchmark]: Boogie Preprocessor took 26.60ms. Allocated memory is still 197.1MB. Free memory was 135.6MB in the beginning and 134.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:53:49,933 INFO L158 Benchmark]: RCFGBuilder took 575.60ms. Allocated memory is still 197.1MB. Free memory was 134.5MB in the beginning and 97.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 20:53:49,933 INFO L158 Benchmark]: CodeCheck took 584.78ms. Allocated memory is still 197.1MB. Free memory was 97.8MB in the beginning and 127.8MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:49,934 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 197.1MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:49,937 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: 0.5s, 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, 0.1s 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: 1558]: 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 1566, overapproximation of bitwiseOr at line 1552. 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); [L1566] 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}] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data=-1073741825, dataCopy=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data=-1073741825, dataCopy=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data=-1073741825, dataCopy=-1073741825, 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 0.33ms. Allocated memory is still 109.1MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1030.40ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 95.7MB in the beginning and 139.8MB in the end (delta: -44.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.80ms. Allocated memory is still 197.1MB. Free memory was 139.8MB in the beginning and 135.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.60ms. Allocated memory is still 197.1MB. Free memory was 135.6MB in the beginning and 134.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.60ms. Allocated memory is still 197.1MB. Free memory was 134.5MB in the beginning and 97.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 584.78ms. Allocated memory is still 197.1MB. Free memory was 97.8MB in the beginning and 127.8MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 197.1MB. Free memory is still 127.8MB. 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~nondet111 - 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 [2023-12-02 20:53:49,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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 b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:53:51,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:53:51,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 20:53:51,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:53:51,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:53:51,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:53:51,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:53:51,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:53:51,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:53:51,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:53:51,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:53:51,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:53:51,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:53:51,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:53:51,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:53:51,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:53:51,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:53:51,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:53:51,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:53:51,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:53:51,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:53:51,971 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:53:51,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:53:51,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:53:51,972 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:53:51,973 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:53:51,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:53:51,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:51,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:53:51,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:53:51,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:53:51,976 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:53:51,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:53:51,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:53:51,977 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:53:51,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:53:51,977 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_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 [2023-12-02 20:53:52,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:53:52,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:53:52,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:53:52,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:53:52,277 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:53:52,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2023-12-02 20:53:55,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:53:55,373 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:53:55,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2023-12-02 20:53:55,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data/5ac9230ba/85f308ba7b114aecb6b4f3d3e5b30edc/FLAGc48cf1af9 [2023-12-02 20:53:55,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/data/5ac9230ba/85f308ba7b114aecb6b4f3d3e5b30edc [2023-12-02 20:53:55,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:53:55,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:53:55,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:55,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:53:55,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:53:55,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:55" (1/1) ... [2023-12-02 20:53:55,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9db4a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:55, skipping insertion in model container [2023-12-02 20:53:55,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:55" (1/1) ... [2023-12-02 20:53:55,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:53:56,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:56,432 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:53:56,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:56,650 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:56,651 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:56,651 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:56,651 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:53:56,657 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:53:56,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56 WrapperNode [2023-12-02 20:53:56,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:56,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:56,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:53:56,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:53:56,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,717 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-12-02 20:53:56,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:56,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:53:56,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:53:56,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:53:56,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:53:56,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:53:56,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:53:56,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:53:56,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2023-12-02 20:53:56,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:56,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:53:56,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:53:56,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:53:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 20:53:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 20:53:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:53:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:53:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:53:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:53:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 20:53:56,967 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:53:56,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:53:57,087 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:53:57,172 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:53:57,173 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:53:57,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:57 BoogieIcfgContainer [2023-12-02 20:53:57,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:53:57,175 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:53:57,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:53:57,184 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:53:57,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:57" (1/1) ... [2023-12-02 20:53:57,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:53:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 20:53:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 20:53:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:53:57,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:53:57,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:53:57,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:53:57,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:53:57,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:53:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:57,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:53:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:57,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:53:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:57,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:53:57,607 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 20:53:57,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-02 20:53:57,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:53:57 ImpRootNode [2023-12-02 20:53:57,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 20:53:57,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:53:57,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:53:57,632 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:53:57,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:57" (3/4) ... [2023-12-02 20:53:57,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 20:53:57,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:53:57,636 INFO L158 Benchmark]: Toolchain (without parser) took 2219.34ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 62.2MB in the end (delta: 20.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-02 20:53:57,636 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:57,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.54ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 62.3MB in the end (delta: 20.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-12-02 20:53:57,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.61ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:53:57,638 INFO L158 Benchmark]: Boogie Preprocessor took 31.51ms. Allocated memory is still 109.1MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:53:57,639 INFO L158 Benchmark]: RCFGBuilder took 423.90ms. Allocated memory is still 109.1MB. Free memory was 57.1MB in the beginning and 78.3MB in the end (delta: -21.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-12-02 20:53:57,639 INFO L158 Benchmark]: CodeCheck took 456.07ms. Allocated memory is still 109.1MB. Free memory was 78.3MB in the beginning and 62.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 20:53:57,640 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 109.1MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:57,643 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1558]: 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 1566. 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); [L1566] 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}] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, data=-1073774592, dataCopy=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, data=-1073774592, dataCopy=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, data=-1073774592, dataCopy=-1073774592, 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 0.23ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.54ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 62.3MB in the end (delta: 20.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.61ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.51ms. Allocated memory is still 109.1MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.90ms. Allocated memory is still 109.1MB. Free memory was 57.1MB in the beginning and 78.3MB in the end (delta: -21.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * CodeCheck took 456.07ms. Allocated memory is still 109.1MB. Free memory was 78.3MB in the beginning and 62.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 109.1MB. Free memory is still 62.2MB. 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~nondet105 - 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 [2023-12-02 20:53:57,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5f8f4-3248-4d20-930f-fbc3d44ac7ed/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