./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_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_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/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_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/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_034b1445-a3f3-4612-9a33-c2ab07579cdc/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 2f630c633cb5772edb78f26593604320777788c294984e89941584dfe6350012 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:31:36,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:31:36,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:31:36,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:31:36,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:31:36,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:31:36,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:31:36,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:31:36,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:31:36,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:31:36,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:31:36,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:31:36,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:31:36,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:31:36,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:31:36,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:31:36,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:31:36,891 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:31:36,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:31:36,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:31:36,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:31:36,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:31:36,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:31:36,897 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:31:36,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:31:36,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:31:36,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:31:36,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:31:36,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:31:36,898 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:31:36,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:31:36,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:31:36,899 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_034b1445-a3f3-4612-9a33-c2ab07579cdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f630c633cb5772edb78f26593604320777788c294984e89941584dfe6350012 [2023-12-02 22:31:37,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:31:37,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:31:37,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:31:37,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:31:37,129 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:31:37,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i [2023-12-02 22:31:39,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:31:40,224 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:31:40,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i [2023-12-02 22:31:40,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data/932e3234e/94132fc798724eb4a1c2ebd9c03f2fe4/FLAG2d30753d0 [2023-12-02 22:31:40,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data/932e3234e/94132fc798724eb4a1c2ebd9c03f2fe4 [2023-12-02 22:31:40,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:31:40,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:31:40,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:31:40,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:31:40,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:31:40,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:31:40" (1/1) ... [2023-12-02 22:31:40,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3a14ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:40, skipping insertion in model container [2023-12-02 22:31:40,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:31:40" (1/1) ... [2023-12-02 22:31:40,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:31:41,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:31:41,024 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:31:41,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:31:41,242 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:41,242 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:41,242 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:41,242 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:41,250 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:31:41,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41 WrapperNode [2023-12-02 22:31:41,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:31:41,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:31:41,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:31:41,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:31:41,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,316 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-02 22:31:41,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:31:41,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:31:41,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:31:41,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:31:41,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:31:41,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:31:41,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:31:41,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:31:41,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:31:41,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:31:41,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:31:41,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:31:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:31:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:31:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:31:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:31:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:31:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:31:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:31:41,538 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:31:41,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:31:41,615 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:31:41,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:31:41,654 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:31:41,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:31:41 BoogieIcfgContainer [2023-12-02 22:31:41,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:31:41,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:31:41,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:31:41,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:31:41,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:31:41" (1/1) ... [2023-12-02 22:31:41,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:31:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:31:41,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:31:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:41,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:41,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:31:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:41,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:31:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:41,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:31:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:41,934 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:31:41,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 22:31:41,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:31:41 ImpRootNode [2023-12-02 22:31:41,958 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:31:41,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:31:41,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:31:41,959 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:31:41,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:31:41" (3/4) ... [2023-12-02 22:31:41,962 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:31:41,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:31:41,964 INFO L158 Benchmark]: Toolchain (without parser) took 1697.31ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 114.6MB in the beginning and 128.2MB in the end (delta: -13.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-12-02 22:31:41,964 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:31:41,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.91ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 51.1MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 22:31:41,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.11ms. Allocated memory is still 151.0MB. Free memory was 51.1MB in the beginning and 117.5MB in the end (delta: -66.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-12-02 22:31:41,966 INFO L158 Benchmark]: Boogie Preprocessor took 39.21ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 117.5MB in the beginning and 157.5MB in the end (delta: -40.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-12-02 22:31:41,967 INFO L158 Benchmark]: RCFGBuilder took 297.70ms. Allocated memory is still 186.6MB. Free memory was 157.5MB in the beginning and 142.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:31:41,967 INFO L158 Benchmark]: CodeCheck took 302.43ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 128.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:31:41,968 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 186.6MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:31:41,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_02_bad() [L1550] int data; [L1551] data = 0 [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] [L1558] 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] [L1560] 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 0.22ms. Allocated memory is still 94.4MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.91ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 51.1MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.11ms. Allocated memory is still 151.0MB. Free memory was 51.1MB in the beginning and 117.5MB in the end (delta: -66.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.21ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 117.5MB in the beginning and 157.5MB in the end (delta: -40.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 297.70ms. Allocated memory is still 186.6MB. Free memory was 157.5MB in the beginning and 142.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 302.43ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 128.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 186.6MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 [2023-12-02 22:31:41,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/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_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/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_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/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_034b1445-a3f3-4612-9a33-c2ab07579cdc/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 2f630c633cb5772edb78f26593604320777788c294984e89941584dfe6350012 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:31:43,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:31:43,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:31:44,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:31:44,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:31:44,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:31:44,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:31:44,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:31:44,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:31:44,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:31:44,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:31:44,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:31:44,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:31:44,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:31:44,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:31:44,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:31:44,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:31:44,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:31:44,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:31:44,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:31:44,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:31:44,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:31:44,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:31:44,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:31:44,038 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:44,039 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:31:44,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:31:44,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:31:44,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:31:44,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:31:44,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:31:44,041 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:31:44,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:44,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:31:44,042 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:31:44,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:31:44,043 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_034b1445-a3f3-4612-9a33-c2ab07579cdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f630c633cb5772edb78f26593604320777788c294984e89941584dfe6350012 [2023-12-02 22:31:44,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:31:44,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:31:44,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:31:44,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:31:44,345 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:31:44,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i [2023-12-02 22:31:47,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:31:47,476 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:31:47,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i [2023-12-02 22:31:47,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data/7473edc89/11dab7b4ed4e4e868b2ca573e4cf7b86/FLAGa4ff992a0 [2023-12-02 22:31:47,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/data/7473edc89/11dab7b4ed4e4e868b2ca573e4cf7b86 [2023-12-02 22:31:47,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:31:47,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:31:47,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:31:47,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:31:47,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:31:47,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:31:47" (1/1) ... [2023-12-02 22:31:47,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6712f1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:47, skipping insertion in model container [2023-12-02 22:31:47,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:31:47" (1/1) ... [2023-12-02 22:31:47,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:31:48,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:31:48,375 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:31:48,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:31:48,556 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:48,557 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:48,557 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:48,557 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:31:48,563 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:31:48,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48 WrapperNode [2023-12-02 22:31:48,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:31:48,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:31:48,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:31:48,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:31:48,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,619 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-02 22:31:48,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:31:48,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:31:48,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:31:48,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:31:48,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:31:48,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:31:48,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:31:48,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:31:48,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:48" (1/1) ... [2023-12-02 22:31:48,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:31:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:31:48,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:31:48,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:31:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:31:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:31:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:31:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:31:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:31:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:31:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:31:48,876 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:31:48,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:31:48,975 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:31:49,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:31:49,016 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:31:49,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:31:49 BoogieIcfgContainer [2023-12-02 22:31:49,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:31:49,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:31:49,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:31:49,029 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:31:49,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:31:49" (1/1) ... [2023-12-02 22:31:49,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:31:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:31:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:31:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:49,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:49,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:49,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:31:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:49,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:31:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:49,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:31:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:31:49,392 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:31:49,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:31:49,401 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:31:49,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 22:31:49,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:31:49 ImpRootNode [2023-12-02 22:31:49,427 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:31:49,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:31:49,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:31:49,427 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:31:49,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:31:49" (3/4) ... [2023-12-02 22:31:49,430 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:31:49,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:31:49,432 INFO L158 Benchmark]: Toolchain (without parser) took 1911.54ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 36.9MB in the end (delta: 36.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-12-02 22:31:49,432 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:31:49,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1042.16ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 72.4MB in the end (delta: 773.9kB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-12-02 22:31:49,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.78ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 69.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:31:49,434 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 67.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:31:49,435 INFO L158 Benchmark]: RCFGBuilder took 365.04ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 51.8MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:31:49,435 INFO L158 Benchmark]: CodeCheck took 407.60ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 37.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:31:49,436 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 100.7MB. Free memory was 37.5MB in the beginning and 36.9MB in the end (delta: 573.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:31:49,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_02_bad() [L1550] int data; [L1551] data = 0 [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] [L1558] 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] [L1560] 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 0.17ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1042.16ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 72.4MB in the end (delta: 773.9kB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.78ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 69.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 67.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.04ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 51.8MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 407.60ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 37.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 100.7MB. Free memory was 37.5MB in the beginning and 36.9MB in the end (delta: 573.6kB). 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~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 [2023-12-02 22:31:49,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b1445-a3f3-4612-9a33-c2ab07579cdc/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample