./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_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_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/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_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/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_5340076f-1be9-4a79-baa6-011b6818adca/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 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:54:29,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:54:29,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:54:29,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:54:29,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:54:29,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:54:29,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:54:29,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:54:29,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:54:29,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:54:29,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:54:29,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:54:29,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:54:29,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:54:29,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:54:29,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:54:29,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:54:29,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:54:29,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:54:29,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:54:29,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:54:29,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:54:29,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:54:29,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:54:29,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:54:29,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:54:29,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:54:29,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:54:29,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:54:29,537 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:54:29,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:54:29,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:54:29,539 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_5340076f-1be9-4a79-baa6-011b6818adca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 [2023-12-03 00:54:29,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:54:29,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:54:29,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:54:29,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:54:29,774 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:54:29,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-12-03 00:54:32,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:54:32,841 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:54:32,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-12-03 00:54:32,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data/1e084adc3/fab91538cb8d423cbb95373d56cebc97/FLAGb819c64dc [2023-12-03 00:54:32,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data/1e084adc3/fab91538cb8d423cbb95373d56cebc97 [2023-12-03 00:54:32,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:54:32,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:54:32,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:54:32,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:54:32,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:54:32,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:54:32" (1/1) ... [2023-12-03 00:54:32,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ff9cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:32, skipping insertion in model container [2023-12-03 00:54:32,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:54:32" (1/1) ... [2023-12-03 00:54:32,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:54:33,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:54:33,688 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:54:33,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:54:33,885 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:33,885 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:33,886 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:33,886 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:33,894 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:54:33,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33 WrapperNode [2023-12-03 00:54:33,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:54:33,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:54:33,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:54:33,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:54:33,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,962 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-03 00:54:33,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:54:33,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:54:33,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:54:33,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:54:33,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:54:33,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:54:33,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:54:33,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:54:33,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:33" (1/1) ... [2023-12-03 00:54:33,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:54:34,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:54:34,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:54:34,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:54:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:54:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:54:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:54:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:54:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:54:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:54:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:54:34,210 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:54:34,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:54:34,303 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:54:34,343 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:54:34,343 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:54:34,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:34 BoogieIcfgContainer [2023-12-03 00:54:34,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:54:34,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:54:34,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:54:34,354 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:54:34,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:34" (1/1) ... [2023-12-03 00:54:34,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:54:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 00:54:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 00:54:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:54:34,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:34,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:54:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:34,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:54:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:34,613 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:54:34,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 00:54:34,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:54:34 ImpRootNode [2023-12-03 00:54:34,640 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:54:34,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:54:34,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:54:34,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:54:34,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:34" (3/4) ... [2023-12-03 00:54:34,644 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:54:34,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:54:34,646 INFO L158 Benchmark]: Toolchain (without parser) took 1763.62ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 75.6MB in the end (delta: 40.3MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-12-03 00:54:34,647 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:34,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.47ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 108.4MB in the end (delta: 6.9MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2023-12-03 00:54:34,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.06ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 105.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:34,649 INFO L158 Benchmark]: Boogie Preprocessor took 27.19ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 104.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:34,650 INFO L158 Benchmark]: RCFGBuilder took 353.66ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 91.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:54:34,651 INFO L158 Benchmark]: CodeCheck took 294.36ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 75.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:54:34,652 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 148.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:34,655 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1561]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.47ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 108.4MB in the end (delta: 6.9MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.06ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 105.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.19ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 104.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.66ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 91.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 294.36ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 75.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 148.9MB. Free memory is still 75.6MB. 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~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:54:34,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/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 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_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/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_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/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_5340076f-1be9-4a79-baa6-011b6818adca/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 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:54:36,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:54:36,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:54:36,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:54:36,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:54:36,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:54:36,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:54:36,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:54:36,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:54:36,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:54:36,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:54:36,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:54:36,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:54:36,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:54:36,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:54:36,775 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:54:36,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:54:36,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:54:36,777 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:54:36,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:54:36,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:54:36,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:54:36,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:54:36,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:54:36,780 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:36,781 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:54:36,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:54:36,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:54:36,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:54:36,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:54:36,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:54:36,783 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:54:36,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:36,784 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:54:36,784 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:54:36,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:54:36,785 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_5340076f-1be9-4a79-baa6-011b6818adca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 [2023-12-03 00:54:37,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:54:37,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:54:37,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:54:37,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:54:37,081 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:54:37,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-12-03 00:54:39,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:54:40,206 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:54:40,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-12-03 00:54:40,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data/e936a16e6/de559f5df4bf43d6bec3c6a73e7fcc51/FLAG50c34982f [2023-12-03 00:54:40,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/data/e936a16e6/de559f5df4bf43d6bec3c6a73e7fcc51 [2023-12-03 00:54:40,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:54:40,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:54:40,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:54:40,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:54:40,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:54:40,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:54:40" (1/1) ... [2023-12-03 00:54:40,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383227e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:40, skipping insertion in model container [2023-12-03 00:54:40,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:54:40" (1/1) ... [2023-12-03 00:54:40,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:54:41,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:54:41,589 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:54:41,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:54:41,781 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:41,781 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:41,781 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:41,781 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:41,789 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:54:41,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41 WrapperNode [2023-12-03 00:54:41,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:54:41,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:54:41,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:54:41,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:54:41,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,847 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-03 00:54:41,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:54:41,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:54:41,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:54:41,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:54:41,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:54:41,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:54:41,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:54:41,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:54:41,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:41" (1/1) ... [2023-12-03 00:54:41,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:54:41,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:54:41,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:54:41,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:54:41,951 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:54:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:54:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:54:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:54:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:54:41,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:54:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:54:42,099 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:54:42,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:54:42,202 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:54:42,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:54:42,246 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:54:42,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:42 BoogieIcfgContainer [2023-12-03 00:54:42,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:54:42,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:54:42,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:54:42,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:54:42,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:42" (1/1) ... [2023-12-03 00:54:42,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:54:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 00:54:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 00:54:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:54:42,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:42,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:42,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:42,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:42,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:54:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:42,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:54:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:42,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:54:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:42,623 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:54:42,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:54:42,630 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:54:42,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 00:54:42,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:54:42 ImpRootNode [2023-12-03 00:54:42,656 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:54:42,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:54:42,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:54:42,657 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:54:42,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:42" (3/4) ... [2023-12-03 00:54:42,660 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:54:42,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:54:42,662 INFO L158 Benchmark]: Toolchain (without parser) took 2235.59ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 60.4MB in the end (delta: 10.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-03 00:54:42,662 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:42,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1363.38ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 63.1MB in the end (delta: 7.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:42,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 60.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:42,664 INFO L158 Benchmark]: Boogie Preprocessor took 34.54ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:42,665 INFO L158 Benchmark]: RCFGBuilder took 363.87ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 42.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:54:42,665 INFO L158 Benchmark]: CodeCheck took 407.51ms. Allocated memory is still 98.6MB. Free memory was 42.7MB in the beginning and 60.5MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:42,666 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 104.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:42,669 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1561]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1363.38ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 63.1MB in the end (delta: 7.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 60.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.54ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.87ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 42.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 407.51ms. Allocated memory is still 98.6MB. Free memory was 42.7MB in the beginning and 60.5MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 104.4kB). 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~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:54:42,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5340076f-1be9-4a79-baa6-011b6818adca/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