./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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 bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:02:38,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:02:38,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:02:38,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:02:38,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:02:38,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:02:38,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:02:38,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:02:38,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:02:38,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:02:38,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:02:38,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:02:38,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:02:38,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:02:38,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:02:38,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:02:38,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:02:38,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:02:38,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:02:38,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:02:38,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:02:38,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:02:38,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:02:38,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:02:38,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:02:38,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:38,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:02:38,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:02:38,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:02:38,871 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:02:38,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:02:38,871 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:02:38,872 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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece [2023-12-02 21:02:39,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:02:39,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:02:39,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:02:39,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:02:39,088 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:02:39,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-12-02 21:02:41,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:02:42,072 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:02:42,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-12-02 21:02:42,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data/1e4ebba95/53dd2919677145d29b618281480baa38/FLAGcb9565784 [2023-12-02 21:02:42,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data/1e4ebba95/53dd2919677145d29b618281480baa38 [2023-12-02 21:02:42,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:02:42,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:02:42,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:42,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:02:42,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:02:42,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bfa92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42, skipping insertion in model container [2023-12-02 21:02:42,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:02:42,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:42,852 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:02:42,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:43,055 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:43,055 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:43,055 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:43,055 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:43,061 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:02:43,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43 WrapperNode [2023-12-02 21:02:43,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:43,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:43,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:02:43,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:02:43,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,116 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-02 21:02:43,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:43,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:02:43,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:02:43,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:02:43,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:02:43,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:02:43,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:02:43,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:02:43,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:02:43,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:02:43,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:02:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:02:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:02:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:02:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:02:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:02:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:02:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:02:43,337 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:02:43,340 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:02:43,429 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:02:43,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:02:43,474 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:02:43,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:43 BoogieIcfgContainer [2023-12-02 21:02:43,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:02:43,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:02:43,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:02:43,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:02:43,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:02:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:02:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:02:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:02:43,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:43,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,739 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:02:43,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 21:02:43,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:02:43 ImpRootNode [2023-12-02 21:02:43,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:02:43,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:02:43,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:02:43,765 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:02:43,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:43" (3/4) ... [2023-12-02 21:02:43,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:02:43,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:02:43,769 INFO L158 Benchmark]: Toolchain (without parser) took 1656.85ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 75.8MB in the beginning and 71.9MB in the end (delta: 3.9MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,770 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:43,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 948.87ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 75.5MB in the beginning and 105.4MB in the end (delta: -29.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.02ms. Allocated memory is still 172.0MB. Free memory was 105.4MB in the beginning and 102.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,772 INFO L158 Benchmark]: Boogie Preprocessor took 24.56ms. Allocated memory is still 172.0MB. Free memory was 102.7MB in the beginning and 100.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:43,772 INFO L158 Benchmark]: RCFGBuilder took 332.47ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 87.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,773 INFO L158 Benchmark]: CodeCheck took 287.53ms. Allocated memory is still 172.0MB. Free memory was 87.4MB in the beginning and 71.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,773 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 172.0MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:43,777 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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] [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 948.87ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 75.5MB in the beginning and 105.4MB in the end (delta: -29.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.02ms. Allocated memory is still 172.0MB. Free memory was 105.4MB in the beginning and 102.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.56ms. Allocated memory is still 172.0MB. Free memory was 102.7MB in the beginning and 100.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.47ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 87.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 287.53ms. Allocated memory is still 172.0MB. Free memory was 87.4MB in the beginning and 71.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 172.0MB. Free memory is still 71.9MB. 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~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 21:02:43,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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 bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:02:45,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:02:45,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:02:45,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:02:45,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:02:45,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:02:45,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:02:45,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:02:45,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:02:45,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:02:45,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:02:45,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:02:45,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:02:45,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:02:45,859 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:02:45,859 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:02:45,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:02:45,860 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:02:45,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:02:45,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:02:45,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:02:45,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:02:45,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:02:45,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:02:45,864 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:45,864 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:02:45,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:02:45,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:45,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:02:45,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:02:45,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:02:45,867 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:02:45,867 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:45,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:02:45,868 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:02:45,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:02:45,868 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_9980fd53-b73f-4bed-9f98-eecb0322ef0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece [2023-12-02 21:02:46,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:02:46,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:02:46,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:02:46,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:02:46,178 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:02:46,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-12-02 21:02:48,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:02:49,301 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:02:49,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-12-02 21:02:49,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data/010b542b6/9d4f76e2b6ee40cea3b68897eb9e0c71/FLAG368d8f7ac [2023-12-02 21:02:49,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/data/010b542b6/9d4f76e2b6ee40cea3b68897eb9e0c71 [2023-12-02 21:02:49,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:02:49,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:02:49,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:49,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:02:49,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:02:49,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:49" (1/1) ... [2023-12-02 21:02:49,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfe8010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:49, skipping insertion in model container [2023-12-02 21:02:49,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:49" (1/1) ... [2023-12-02 21:02:49,412 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:02:50,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:50,213 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:02:50,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:50,444 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,445 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,445 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,445 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,452 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:02:50,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50 WrapperNode [2023-12-02 21:02:50,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:50,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:50,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:02:50,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:02:50,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,509 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-02 21:02:50,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:50,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:02:50,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:02:50,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:02:50,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:02:50,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:02:50,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:02:50,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:02:50,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:50,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:02:50,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:02:50,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:02:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:02:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:02:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:02:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:02:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:02:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:02:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:02:50,758 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:02:50,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:02:50,858 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:02:50,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:02:50,907 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:02:50,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:50 BoogieIcfgContainer [2023-12-02 21:02:50,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:02:50,909 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:02:50,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:02:50,917 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:02:50,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:02:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:02:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:02:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:02:50,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:50,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:50,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:50,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:51,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:02:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:51,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:51,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:51,289 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:02:51,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:02:51,294 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:02:51,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 21:02:51,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:02:51 ImpRootNode [2023-12-02 21:02:51,323 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:02:51,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:02:51,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:02:51,324 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:02:51,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:50" (3/4) ... [2023-12-02 21:02:51,327 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:02:51,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:02:51,329 INFO L158 Benchmark]: Toolchain (without parser) took 1985.87ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 61.2MB in the end (delta: 11.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,329 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:51,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1109.15ms. Allocated memory is still 98.6MB. Free memory was 72.3MB in the beginning and 64.7MB in the end (delta: 7.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.07ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,331 INFO L158 Benchmark]: Boogie Preprocessor took 34.22ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,331 INFO L158 Benchmark]: RCFGBuilder took 363.13ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 43.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,332 INFO L158 Benchmark]: CodeCheck took 414.17ms. Allocated memory is still 98.6MB. Free memory was 43.7MB in the beginning and 61.9MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:51,332 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 61.2MB in the end (delta: 722.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,336 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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] [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1109.15ms. Allocated memory is still 98.6MB. Free memory was 72.3MB in the beginning and 64.7MB in the end (delta: 7.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.07ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.22ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.13ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 43.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 414.17ms. Allocated memory is still 98.6MB. Free memory was 43.7MB in the beginning and 61.9MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 61.2MB in the end (delta: 722.2kB). Peak memory consumption was 2.1MB. 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 21:02:51,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9980fd53-b73f-4bed-9f98-eecb0322ef0f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample