./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3 --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 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:43:34,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:43:34,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:43:34,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:43:34,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:43:34,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:43:34,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:43:34,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:43:34,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:43:34,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:43:34,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:43:34,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:43:34,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:43:34,369 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:43:34,369 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:43:34,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:43:34,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:34,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:43:34,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:43:34,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:43:34,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:43:34,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:43:34,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3 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 -> 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c [2024-11-25 02:43:34,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:43:34,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:43:34,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:43:34,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:43:34,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:43:34,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-11-25 02:43:37,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/6de91272e/5fd9ffb56d4b43de824e9074e4bdb280/FLAG3f9b1d174 [2024-11-25 02:43:37,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:43:37,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-11-25 02:43:38,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/6de91272e/5fd9ffb56d4b43de824e9074e4bdb280/FLAG3f9b1d174 [2024-11-25 02:43:38,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/6de91272e/5fd9ffb56d4b43de824e9074e4bdb280 [2024-11-25 02:43:38,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:43:38,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:43:38,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:38,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:43:38,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:43:38,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:38" (1/1) ... [2024-11-25 02:43:38,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372f5915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:38, skipping insertion in model container [2024-11-25 02:43:38,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:38" (1/1) ... [2024-11-25 02:43:38,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:43:38,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:38,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:43:39,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:39,225 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:43:39,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39 WrapperNode [2024-11-25 02:43:39,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:39,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:39,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:43:39,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:43:39,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,280 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 02:43:39,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:39,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:43:39,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:43:39,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:43:39,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,296 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:43:39,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:43:39,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:43:39,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:43:39,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:39" (1/1) ... [2024-11-25 02:43:39,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:43:39,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:43:39,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:43:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:43:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:43:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:43:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:43:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:43:39,522 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:43:39,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:43:39,791 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 02:43:39,791 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:43:40,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:43:40,096 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:43:40,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:40 BoogieIcfgContainer [2024-11-25 02:43:40,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:43:40,097 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:43:40,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:43:40,106 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:43:40,107 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:40" (1/1) ... [2024-11-25 02:43:40,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:43:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:43:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:43:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:43:40,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:40,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:40,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:43:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:40,720 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:43:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:40,779 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:43:40,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:43:40 ImpRootNode [2024-11-25 02:43:40,814 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:43:40,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:43:40,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:43:40,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:43:40,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:40" (3/4) ... [2024-11-25 02:43:40,819 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:43:40,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:43:40,822 INFO L158 Benchmark]: Toolchain (without parser) took 2762.98ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 81.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-25 02:43:40,822 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:40,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1165.38ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 108.3MB in the end (delta: 7.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 02:43:40,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.72ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 105.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:40,825 INFO L158 Benchmark]: Boogie Preprocessor took 22.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:43:40,826 INFO L158 Benchmark]: RCFGBuilder took 791.48ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 62.9MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:43:40,827 INFO L158 Benchmark]: CodeCheck took 717.76ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 81.9MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:40,828 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:40,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, 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 0.48ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1165.38ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 108.3MB in the end (delta: 7.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.72ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 105.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 791.48ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 62.9MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 717.76ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 81.9MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:43:40,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3 --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 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:43:43,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:43:43,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:43:43,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:43:43,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:43:43,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:43:43,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:43:43,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:43:43,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:43:43,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:43:43,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:43:43,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:43:43,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:43:43,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:43:43,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:43:43,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:43:43,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:43:43,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:43:43,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:43:43,760 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:43,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:43:43,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:43:43,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:43,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:43:43,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:43:43,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:43:43,762 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:43:43,762 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:43,762 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:43:43,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3 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 -> 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c [2024-11-25 02:43:44,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:43:44,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:43:44,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:43:44,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:43:44,111 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:43:44,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-11-25 02:43:47,044 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/f5fcef211/a3d93accde2e41ce94e27035cbe37ae1/FLAG74ae9e8c1 [2024-11-25 02:43:47,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:43:47,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-11-25 02:43:47,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/f5fcef211/a3d93accde2e41ce94e27035cbe37ae1/FLAG74ae9e8c1 [2024-11-25 02:43:47,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/data/f5fcef211/a3d93accde2e41ce94e27035cbe37ae1 [2024-11-25 02:43:47,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:43:47,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:43:47,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:47,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:43:47,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:43:47,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:47" (1/1) ... [2024-11-25 02:43:47,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bef5b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:47, skipping insertion in model container [2024-11-25 02:43:47,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:47" (1/1) ... [2024-11-25 02:43:47,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:43:48,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:48,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:43:48,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:49,068 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:43:49,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49 WrapperNode [2024-11-25 02:43:49,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:49,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:49,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:43:49,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:43:49,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,124 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 02:43:49,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:49,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:43:49,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:43:49,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:43:49,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,144 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:43:49,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:43:49,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:43:49,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:43:49,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:49,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:43:49,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:43:49,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:43:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:43:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:43:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:43:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:43:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:43:49,350 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:43:49,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:43:49,518 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 02:43:49,519 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:43:49,631 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:43:49,631 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:43:49,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:49 BoogieIcfgContainer [2024-11-25 02:43:49,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:43:49,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:43:49,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:43:49,643 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:43:49,644 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:49" (1/1) ... [2024-11-25 02:43:49,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:43:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:43:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:43:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:43:49,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:49,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:49,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:49,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:43:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:49,916 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:43:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:50,068 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:43:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:50,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:43:50,119 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:43:50,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:43:50 ImpRootNode [2024-11-25 02:43:50,161 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:43:50,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:43:50,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:43:50,164 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:43:50,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:49" (3/4) ... [2024-11-25 02:43:50,166 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:43:50,225 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 02:43:50,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:43:50,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:43:50,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:43:50,291 INFO L158 Benchmark]: Toolchain (without parser) took 2686.01ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 57.5MB in the beginning and 60.9MB in the end (delta: -3.4MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-25 02:43:50,292 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 48.8MB in the end (delta: 108.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:50,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.23ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 57.3MB in the beginning and 102.9MB in the end (delta: -45.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-25 02:43:50,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.99ms. Allocated memory is still 134.2MB. Free memory was 102.4MB in the beginning and 100.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:50,293 INFO L158 Benchmark]: Boogie Preprocessor took 27.19ms. Allocated memory is still 134.2MB. Free memory was 100.1MB in the beginning and 98.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:50,296 INFO L158 Benchmark]: RCFGBuilder took 478.89ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 80.0MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:43:50,296 INFO L158 Benchmark]: CodeCheck took 530.37ms. Allocated memory is still 134.2MB. Free memory was 80.0MB in the beginning and 65.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:43:50,296 INFO L158 Benchmark]: Witness Printer took 125.57ms. Allocated memory is still 134.2MB. Free memory was 65.5MB in the beginning and 60.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:43:50,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1562]: integer overflow possible integer overflow possible We found a 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, 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 0.49ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 48.8MB in the end (delta: 108.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.23ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 57.3MB in the beginning and 102.9MB in the end (delta: -45.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.99ms. Allocated memory is still 134.2MB. Free memory was 102.4MB in the beginning and 100.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.19ms. Allocated memory is still 134.2MB. Free memory was 100.1MB in the beginning and 98.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.89ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 80.0MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 530.37ms. Allocated memory is still 134.2MB. Free memory was 80.0MB in the beginning and 65.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 125.57ms. Allocated memory is still 134.2MB. Free memory was 65.5MB in the beginning and 60.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:43:50,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f41fab-76ad-48ac-9b25-26eddb743269/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)