./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/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_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/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_5f0ac773-31a8-40a4-9f40-9a0185671857/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 aa53564f12b387cfb5af70178973798301ce85fb4673e55a1be906488e35ef0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:48,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:48,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:33:48,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:33:48,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:33:48,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:48,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:48,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:48,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:48,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:48,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:48,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:48,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:33:48,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:48,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:48,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:48,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:48,603 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:33:48,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:33:48,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:48,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:48,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:48,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:48,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:48,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:48,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:48,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:48,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:48,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:48,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:33:48,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:33:48,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:48,610 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_5f0ac773-31a8-40a4-9f40-9a0185671857/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa53564f12b387cfb5af70178973798301ce85fb4673e55a1be906488e35ef0c [2023-12-03 00:33:48,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:48,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:48,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:48,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:48,843 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:48,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i [2023-12-03 00:33:51,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:51,866 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:51,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i [2023-12-03 00:33:51,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data/84c082b7c/03717d179af348fdabb7fe88aec98256/FLAG1e2f4f73f [2023-12-03 00:33:51,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data/84c082b7c/03717d179af348fdabb7fe88aec98256 [2023-12-03 00:33:51,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:51,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:51,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:51,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:51,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:51,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:51" (1/1) ... [2023-12-03 00:33:51,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b571983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:51, skipping insertion in model container [2023-12-03 00:33:51,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:51" (1/1) ... [2023-12-03 00:33:51,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:52,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:52,697 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:52,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:52,888 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:33:52,888 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:33:52,888 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:33:52,888 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:33:52,896 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:52,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52 WrapperNode [2023-12-03 00:33:52,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:52,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:52,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:52,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:52,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,949 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-03 00:33:52,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:52,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:52,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:52,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:52,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:52,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:52,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:52,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:52,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:52" (1/1) ... [2023-12-03 00:33:52,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:52,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:53,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:53,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:33:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:33:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:33:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:33:53,176 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:53,178 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:53,272 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:53,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:53,310 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:33:53,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:53 BoogieIcfgContainer [2023-12-03 00:33:53,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:53,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:53,312 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:53,321 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:53,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:53" (1/1) ... [2023-12-03 00:33:53,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:33:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:33:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:33:53,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:53,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:53,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:33:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:53,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:33:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:53,580 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:33:53,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 00:33:53,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:33:53 ImpRootNode [2023-12-03 00:33:53,604 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:33:53,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:33:53,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:33:53,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:33:53,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:53" (3/4) ... [2023-12-03 00:33:53,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:33:53,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:33:53,610 INFO L158 Benchmark]: Toolchain (without parser) took 1701.77ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 73.5MB in the end (delta: 45.1MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-12-03 00:33:53,610 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:53,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 987.69ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 107.2MB in the end (delta: 11.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-12-03 00:33:53,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.38ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 104.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:33:53,612 INFO L158 Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:53,612 INFO L158 Benchmark]: RCFGBuilder took 336.76ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 88.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:33:53,613 INFO L158 Benchmark]: CodeCheck took 291.77ms. Allocated memory is still 161.5MB. Free memory was 88.9MB in the beginning and 74.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:33:53,614 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 161.5MB. Free memory was 74.1MB in the beginning and 73.5MB in the end (delta: 594.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:53,617 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 987.69ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 107.2MB in the end (delta: 11.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.38ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 104.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.54ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.76ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 88.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 291.77ms. Allocated memory is still 161.5MB. Free memory was 88.9MB in the beginning and 74.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 161.5MB. Free memory was 74.1MB in the beginning and 73.5MB in the end (delta: 594.9kB). 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~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:33:53,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/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_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/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_5f0ac773-31a8-40a4-9f40-9a0185671857/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 aa53564f12b387cfb5af70178973798301ce85fb4673e55a1be906488e35ef0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:55,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:55,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:33:55,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:55,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:55,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:55,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:55,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:55,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:55,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:55,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:55,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:55,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:55,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:55,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:33:55,638 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:33:55,638 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:33:55,639 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:33:55,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:33:55,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:55,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:55,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:55,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:55,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:55,643 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:55,643 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:55,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:55,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:55,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:55,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:55,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:55,646 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:33:55,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:55,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:55,647 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:33:55,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:55,647 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_5f0ac773-31a8-40a4-9f40-9a0185671857/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa53564f12b387cfb5af70178973798301ce85fb4673e55a1be906488e35ef0c [2023-12-03 00:33:55,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:55,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:55,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:55,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:55,942 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:55,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i [2023-12-03 00:33:58,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:59,063 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:59,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_bad.i [2023-12-03 00:33:59,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data/08e096398/9684156bc83a4de6bc7739e098f47544/FLAGf89b46c43 [2023-12-03 00:33:59,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/data/08e096398/9684156bc83a4de6bc7739e098f47544 [2023-12-03 00:33:59,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:59,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:59,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:59,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:59,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:59,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:59" (1/1) ... [2023-12-03 00:33:59,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b475b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:59, skipping insertion in model container [2023-12-03 00:33:59,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:59" (1/1) ... [2023-12-03 00:33:59,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:59,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:59,937 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:34:00,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:00,160 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:00,160 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:00,161 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:00,161 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:00,168 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:34:00,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00 WrapperNode [2023-12-03 00:34:00,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:00,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:00,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:34:00,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:34:00,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,225 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2023-12-03 00:34:00,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:00,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:34:00,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:34:00,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:34:00,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:34:00,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:34:00,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:34:00,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:34:00,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:00,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:34:00,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:34:00,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:34:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:34:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:34:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:34:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:34:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:34:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:34:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:34:00,485 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:34:00,487 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:34:00,589 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:34:00,643 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:34:00,643 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:34:00,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:00 BoogieIcfgContainer [2023-12-03 00:34:00,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:34:00,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:34:00,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:34:00,653 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:34:00,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:34:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:34:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:34:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:34:00,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:00,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:00,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:00,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:00,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:34:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:00,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:34:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:00,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:34:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:00,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:34:00,984 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:34:01,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-03 00:34:01,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:34:01 ImpRootNode [2023-12-03 00:34:01,007 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:34:01,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:34:01,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:34:01,008 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:34:01,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:00" (3/4) ... [2023-12-03 00:34:01,011 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:34:01,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:34:01,012 INFO L158 Benchmark]: Toolchain (without parser) took 1906.97ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 65.9MB in the end (delta: 17.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,012 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:01,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1062.44ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 62.9MB in the end (delta: 20.1MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.62ms. Allocated memory is still 109.1MB. Free memory was 62.9MB in the beginning and 59.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,014 INFO L158 Benchmark]: Boogie Preprocessor took 35.69ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 58.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,015 INFO L158 Benchmark]: RCFGBuilder took 382.27ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 80.8MB in the end (delta: -22.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,015 INFO L158 Benchmark]: CodeCheck took 362.57ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 65.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,016 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 65.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1062.44ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 62.9MB in the end (delta: 20.1MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.62ms. Allocated memory is still 109.1MB. Free memory was 62.9MB in the beginning and 59.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.69ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 58.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.27ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 80.8MB in the end (delta: -22.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * CodeCheck took 362.57ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 65.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 65.9MB in the end (delta: 2.0kB). 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~nondet98 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:34:01,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ac773-31a8-40a4-9f40-9a0185671857/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