./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_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_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/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_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/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_5be686ce-b5f9-469c-9853-152b3371ad74/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:54:34,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:54:34,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:54:34,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:54:34,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:54:34,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:54:34,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:54:34,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:54:34,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:54:34,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:54:34,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:54:34,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:54:34,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:54:34,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:54:34,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:54:34,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:54:34,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:54:34,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:54:34,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:54:34,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:54:34,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:54:34,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:54:34,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:54:34,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:54:34,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:54:34,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:34,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:54:34,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:54:34,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:54:34,313 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:54:34,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:54:34,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:54:34,314 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_5be686ce-b5f9-469c-9853-152b3371ad74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2023-12-02 22:54:34,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:54:34,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:54:34,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:54:34,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:54:34,538 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:54:34,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2023-12-02 22:54:37,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:54:37,622 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:54:37,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2023-12-02 22:54:37,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data/802a80e8f/f00401ce3a0046d98ec5c8921ca3b394/FLAGaa5c18ac3 [2023-12-02 22:54:37,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data/802a80e8f/f00401ce3a0046d98ec5c8921ca3b394 [2023-12-02 22:54:37,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:54:37,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:54:37,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:37,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:54:37,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:54:37,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:37" (1/1) ... [2023-12-02 22:54:37,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702a5933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:37, skipping insertion in model container [2023-12-02 22:54:37,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:37" (1/1) ... [2023-12-02 22:54:37,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:54:38,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:38,459 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:54:38,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:38,728 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:38,728 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:38,728 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:38,728 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:38,728 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:38,736 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:54:38,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38 WrapperNode [2023-12-02 22:54:38,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:38,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:38,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:54:38,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:54:38,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,801 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2023-12-02 22:54:38,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:38,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:54:38,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:54:38,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:54:38,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:54:38,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:54:38,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:54:38,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:54:38,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:38" (1/1) ... [2023-12-02 22:54:38,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:54:38,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:54:38,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:54:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:54:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:54:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:54:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:54:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:54:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:54:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:54:39,031 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:54:39,033 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:54:39,195 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:54:39,371 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:54:39,371 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:54:39,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:39 BoogieIcfgContainer [2023-12-02 22:54:39,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:54:39,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:54:39,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:54:39,384 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:54:39,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:39" (1/1) ... [2023-12-02 22:54:39,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:54:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 22:54:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 22:54:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:54:39,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:39,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:39,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:39,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:39,982 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:54:40,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-12-02 22:54:40,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post114 could not be translated [2023-12-02 22:54:40,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:54:40 ImpRootNode [2023-12-02 22:54:40,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:54:40,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:54:40,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:54:40,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:54:40,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:39" (3/4) ... [2023-12-02 22:54:40,014 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:54:40,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:54:40,016 INFO L158 Benchmark]: Toolchain (without parser) took 2350.64ms. Allocated memory was 180.4MB in the beginning and 289.4MB in the end (delta: 109.1MB). Free memory was 129.0MB in the beginning and 225.9MB in the end (delta: -96.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-02 22:54:40,016 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:40,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1070.67ms. Allocated memory is still 180.4MB. Free memory was 129.0MB in the beginning and 129.6MB in the end (delta: -605.8kB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-12-02 22:54:40,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.73ms. Allocated memory is still 180.4MB. Free memory was 129.6MB in the beginning and 126.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:54:40,018 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 180.4MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:40,019 INFO L158 Benchmark]: RCFGBuilder took 543.79ms. Allocated memory is still 180.4MB. Free memory was 125.4MB in the beginning and 87.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 22:54:40,019 INFO L158 Benchmark]: CodeCheck took 635.63ms. Allocated memory was 180.4MB in the beginning and 289.4MB in the end (delta: 109.1MB). Free memory was 87.7MB in the beginning and 225.9MB in the end (delta: -138.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:40,020 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 289.4MB. Free memory was 225.9MB in the beginning and 225.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:40,023 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560, overapproximation of bitwiseOr at line 1554. 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.21ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1070.67ms. Allocated memory is still 180.4MB. Free memory was 129.0MB in the beginning and 129.6MB in the end (delta: -605.8kB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.73ms. Allocated memory is still 180.4MB. Free memory was 129.6MB in the beginning and 126.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 180.4MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 543.79ms. Allocated memory is still 180.4MB. Free memory was 125.4MB in the beginning and 87.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 635.63ms. Allocated memory was 180.4MB in the beginning and 289.4MB in the end (delta: 109.1MB). Free memory was 87.7MB in the beginning and 225.9MB in the end (delta: -138.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 289.4MB. Free memory was 225.9MB in the beginning and 225.9MB in the end (delta: 2.6kB). 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~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post114 could not be translated - 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 22:54:40,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/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_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/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_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/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_5be686ce-b5f9-469c-9853-152b3371ad74/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:54:42,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:54:42,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:54:42,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:54:42,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:54:42,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:54:42,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:54:42,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:54:42,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:54:42,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:54:42,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:54:42,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:54:42,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:54:42,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:54:42,113 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:54:42,113 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:54:42,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:54:42,114 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:54:42,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:54:42,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:54:42,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:54:42,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:54:42,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:54:42,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:54:42,119 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:42,120 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:54:42,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:54:42,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:42,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:54:42,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:54:42,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:54:42,122 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:54:42,122 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:42,122 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:54:42,123 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:54:42,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:54:42,123 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_5be686ce-b5f9-469c-9853-152b3371ad74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2023-12-02 22:54:42,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:54:42,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:54:42,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:54:42,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:54:42,438 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:54:42,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2023-12-02 22:54:45,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:54:45,512 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:54:45,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2023-12-02 22:54:45,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data/e4b8246e1/3db5440ed95344abac3dfd01fddc9ff7/FLAG23acb6d04 [2023-12-02 22:54:45,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/data/e4b8246e1/3db5440ed95344abac3dfd01fddc9ff7 [2023-12-02 22:54:45,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:54:45,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:54:45,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:45,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:54:45,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:54:45,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:45" (1/1) ... [2023-12-02 22:54:45,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336bb22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:45, skipping insertion in model container [2023-12-02 22:54:45,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:45" (1/1) ... [2023-12-02 22:54:45,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:54:46,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:46,360 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:54:46,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:46,582 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:46,583 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:46,583 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:46,583 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:46,583 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:54:46,590 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:54:46,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46 WrapperNode [2023-12-02 22:54:46,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:46,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:46,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:54:46,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:54:46,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,650 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2023-12-02 22:54:46,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:46,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:54:46,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:54:46,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:54:46,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:54:46,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:54:46,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:54:46,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:54:46,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ... [2023-12-02 22:54:46,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:46,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:54:46,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:54:46,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:54:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:54:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:54:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:54:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:54:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:54:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:54:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:54:46,908 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:54:46,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:54:47,069 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:54:47,130 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:54:47,130 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:54:47,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:47 BoogieIcfgContainer [2023-12-02 22:54:47,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:54:47,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:54:47,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:54:47,141 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:54:47,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:47" (1/1) ... [2023-12-02 22:54:47,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:54:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 22:54:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 22:54:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:54:47,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:47,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:47,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:47,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:47,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:54:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:47,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:47,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:47,526 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:47,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:47,539 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:54:47,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-02 22:54:47,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post108 could not be translated [2023-12-02 22:54:47,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:54:47 ImpRootNode [2023-12-02 22:54:47,569 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:54:47,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:54:47,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:54:47,570 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:54:47,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:47" (3/4) ... [2023-12-02 22:54:47,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:54:47,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:54:47,574 INFO L158 Benchmark]: Toolchain (without parser) took 2022.62ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 66.8MB in the end (delta: 25.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-12-02 22:54:47,574 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:47,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1038.44ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 57.0MB in the end (delta: 35.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-12-02 22:54:47,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 119.5MB. Free memory was 57.0MB in the beginning and 54.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:54:47,576 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 119.5MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:54:47,576 INFO L158 Benchmark]: RCFGBuilder took 444.45ms. Allocated memory is still 119.5MB. Free memory was 52.1MB in the beginning and 83.6MB in the end (delta: -31.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-12-02 22:54:47,577 INFO L158 Benchmark]: CodeCheck took 436.10ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 66.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:54:47,577 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 119.5MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:47,581 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, 12 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1038.44ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 57.0MB in the end (delta: 35.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 119.5MB. Free memory was 57.0MB in the beginning and 54.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 119.5MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.45ms. Allocated memory is still 119.5MB. Free memory was 52.1MB in the beginning and 83.6MB in the end (delta: -31.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 436.10ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 66.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 119.5MB. Free memory is still 66.8MB. 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post108 could not be translated - 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 22:54:47,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be686ce-b5f9-469c-9853-152b3371ad74/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