./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_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_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/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_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/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_94ba254d-0840-4b9e-8533-723cea2f4cba/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 d61e3cf9ad4260e68703520cdd290e99b8cffda3b25a739c2f7a4c8442835a2f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:11:56,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:11:56,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:11:56,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:11:56,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:11:56,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:11:56,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:11:56,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:11:56,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:11:56,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:11:56,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:11:56,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:11:56,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:11:56,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:11:56,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:11:56,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:11:56,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:11:56,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:11:56,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:11:56,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:11:56,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:11:56,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:11:56,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:11:56,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:11:56,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:11:56,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:11:56,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:11:56,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:11:56,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:11:56,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:11:56,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:11:56,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:11:56,614 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_94ba254d-0840-4b9e-8533-723cea2f4cba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e3cf9ad4260e68703520cdd290e99b8cffda3b25a739c2f7a4c8442835a2f [2023-12-03 02:11:56,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:11:56,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:11:56,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:11:56,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:11:56,855 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:11:56,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i [2023-12-03 02:11:59,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:11:59,938 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:11:59,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i [2023-12-03 02:11:59,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data/a1793d054/f2a52ef5114d45149ec5de94ac92f777/FLAG65082aaa6 [2023-12-03 02:11:59,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data/a1793d054/f2a52ef5114d45149ec5de94ac92f777 [2023-12-03 02:11:59,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:11:59,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:11:59,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:11:59,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:11:59,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:11:59,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:11:59" (1/1) ... [2023-12-03 02:11:59,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcc5476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:59, skipping insertion in model container [2023-12-03 02:11:59,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:11:59" (1/1) ... [2023-12-03 02:12:00,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:12:00,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:12:00,808 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:12:00,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:12:01,050 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:01,050 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:01,051 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:01,051 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:01,059 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:12:01,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01 WrapperNode [2023-12-03 02:12:01,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:12:01,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:12:01,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:12:01,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:12:01,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,117 INFO L138 Inliner]: procedures = 498, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-12-03 02:12:01,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:12:01,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:12:01,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:12:01,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:12:01,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:12:01,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:12:01,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:12:01,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:12:01,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:12:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:12:01,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:12:01,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:12:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:12:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:12:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:12:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:12:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:12:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:12:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:12:01,352 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:12:01,355 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:12:01,457 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:12:01,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:12:01,496 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:12:01,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:01 BoogieIcfgContainer [2023-12-03 02:12:01,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:12:01,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:12:01,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:12:01,506 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:12:01,506 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:01" (1/1) ... [2023-12-03 02:12:01,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:12:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-12-03 02:12:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-03 02:12:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:12:01,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:01,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:12:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:01,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:12:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:01,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:12:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:01,778 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:12:01,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 02:12:01,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated [2023-12-03 02:12:01,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-03 02:12:01,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch100 could not be translated [2023-12-03 02:12:01,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:12:01 ImpRootNode [2023-12-03 02:12:01,806 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:12:01,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:12:01,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:12:01,807 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:12:01,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:01" (3/4) ... [2023-12-03 02:12:01,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:12:01,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:12:01,812 INFO L158 Benchmark]: Toolchain (without parser) took 1829.78ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 109.2MB in the beginning and 116.9MB in the end (delta: -7.6MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-12-03 02:12:01,813 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:12:01,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1076.72ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 109.2MB in the beginning and 152.5MB in the end (delta: -43.3MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-12-03 02:12:01,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.80ms. Allocated memory is still 197.1MB. Free memory was 151.5MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:12:01,814 INFO L158 Benchmark]: Boogie Preprocessor took 27.99ms. Allocated memory is still 197.1MB. Free memory was 149.4MB in the beginning and 147.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:12:01,815 INFO L158 Benchmark]: RCFGBuilder took 350.81ms. Allocated memory is still 197.1MB. Free memory was 147.3MB in the beginning and 132.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:12:01,816 INFO L158 Benchmark]: CodeCheck took 307.89ms. Allocated memory is still 197.1MB. Free memory was 132.6MB in the beginning and 116.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:12:01,816 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 197.1MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:12:01,820 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, 22 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: [L1565] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1076.72ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 109.2MB in the beginning and 152.5MB in the end (delta: -43.3MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.80ms. Allocated memory is still 197.1MB. Free memory was 151.5MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.99ms. Allocated memory is still 197.1MB. Free memory was 149.4MB in the beginning and 147.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.81ms. Allocated memory is still 197.1MB. Free memory was 147.3MB in the beginning and 132.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 307.89ms. Allocated memory is still 197.1MB. Free memory was 132.6MB in the beginning and 116.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 197.1MB. Free memory is still 116.9MB. 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:12:01,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/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_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/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_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/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_94ba254d-0840-4b9e-8533-723cea2f4cba/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 d61e3cf9ad4260e68703520cdd290e99b8cffda3b25a739c2f7a4c8442835a2f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:12:03,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:12:03,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:12:03,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:12:03,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:12:03,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:12:03,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:12:03,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:12:03,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:12:03,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:12:03,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:12:03,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:12:03,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:12:03,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:12:03,916 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:12:03,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:12:03,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:12:03,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:12:03,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:12:03,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:12:03,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:12:03,920 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:12:03,921 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:12:03,921 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:12:03,922 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:03,922 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:12:03,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:12:03,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:12:03,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:12:03,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:12:03,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:12:03,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:12:03,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:03,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:12:03,926 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:12:03,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:12:03,926 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_94ba254d-0840-4b9e-8533-723cea2f4cba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e3cf9ad4260e68703520cdd290e99b8cffda3b25a739c2f7a4c8442835a2f [2023-12-03 02:12:04,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:12:04,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:12:04,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:12:04,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:12:04,236 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:12:04,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i [2023-12-03 02:12:07,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:12:07,447 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:12:07,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i [2023-12-03 02:12:07,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data/2682d3119/e673a99b4f7142f8b221caea66477c82/FLAG514a08568 [2023-12-03 02:12:07,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/data/2682d3119/e673a99b4f7142f8b221caea66477c82 [2023-12-03 02:12:07,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:12:07,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:12:07,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:12:07,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:12:07,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:12:07,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:12:07" (1/1) ... [2023-12-03 02:12:07,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246a996b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:07, skipping insertion in model container [2023-12-03 02:12:07,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:12:07" (1/1) ... [2023-12-03 02:12:07,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:12:08,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:12:08,274 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:12:08,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:12:08,470 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:08,470 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:08,470 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:08,471 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:12:08,477 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:12:08,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08 WrapperNode [2023-12-03 02:12:08,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:12:08,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:12:08,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:12:08,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:12:08,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,537 INFO L138 Inliner]: procedures = 503, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-12-03 02:12:08,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:12:08,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:12:08,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:12:08,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:12:08,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:12:08,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:12:08,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:12:08,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:12:08,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:12:08,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:12:08,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:12:08,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:12:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:12:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:12:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:12:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:12:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:12:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:12:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:12:08,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:12:08,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:12:08,916 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:12:08,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:12:08,957 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:12:08,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:08 BoogieIcfgContainer [2023-12-03 02:12:08,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:12:08,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:12:08,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:12:08,969 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:12:08,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:08" (1/1) ... [2023-12-03 02:12:08,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:12:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-12-03 02:12:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-03 02:12:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:12:09,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:09,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:09,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:09,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:09,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:12:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:09,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:12:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:09,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:12:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:12:09,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:12:09,365 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:12:09,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 02:12:09,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch96 could not be translated [2023-12-03 02:12:09,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated [2023-12-03 02:12:09,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-03 02:12:09,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:12:09 ImpRootNode [2023-12-03 02:12:09,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:12:09,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:12:09,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:12:09,396 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:12:09,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:08" (3/4) ... [2023-12-03 02:12:09,398 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:12:09,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:12:09,400 INFO L158 Benchmark]: Toolchain (without parser) took 1914.52ms. Allocated memory is still 127.9MB. Free memory was 105.5MB in the beginning and 71.7MB in the end (delta: 33.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-12-03 02:12:09,401 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:12:09,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.72ms. Allocated memory is still 127.9MB. Free memory was 105.1MB in the beginning and 68.4MB in the end (delta: 36.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-12-03 02:12:09,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.85ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 65.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:12:09,402 INFO L158 Benchmark]: Boogie Preprocessor took 34.87ms. Allocated memory is still 127.9MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:12:09,403 INFO L158 Benchmark]: RCFGBuilder took 384.55ms. Allocated memory is still 127.9MB. Free memory was 63.1MB in the beginning and 88.5MB in the end (delta: -25.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-12-03 02:12:09,403 INFO L158 Benchmark]: CodeCheck took 435.72ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 72.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:12:09,404 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 71.7MB in the end (delta: 792.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:12:09,407 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, 22 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: [L1565] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.72ms. Allocated memory is still 127.9MB. Free memory was 105.1MB in the beginning and 68.4MB in the end (delta: 36.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.85ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 65.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.87ms. Allocated memory is still 127.9MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.55ms. Allocated memory is still 127.9MB. Free memory was 63.1MB in the beginning and 88.5MB in the end (delta: -25.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 435.72ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 72.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 71.7MB in the end (delta: 792.4kB). 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~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:12:09,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba254d-0840-4b9e-8533-723cea2f4cba/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