./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_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_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/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_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/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_6bd2ac97-b016-4470-86eb-92967e4c5d78/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 1787c9e4c33f77e452516367852805db279376f12690aab51569f78497e270f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:04:29,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:04:29,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:04:29,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:04:29,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:04:29,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:04:29,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:04:29,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:04:29,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:04:29,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:04:29,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:04:29,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:04:29,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:04:29,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:04:29,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:04:29,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:04:29,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:04:29,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:04:29,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:04:29,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:04:29,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:04:29,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:04:29,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:04:29,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:04:29,744 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:04:29,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:04:29,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:29,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:04:29,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:04:29,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:04:29,745 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:04:29,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:04:29,745 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_6bd2ac97-b016-4470-86eb-92967e4c5d78/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 -> 1787c9e4c33f77e452516367852805db279376f12690aab51569f78497e270f5 [2024-11-24 18:04:30,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:04:30,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:04:30,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:04:30,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:04:30,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:04:30,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_bad.i [2024-11-24 18:04:33,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/b8aee94a7/042585cafadb45a687971be569302ba0/FLAG7ea231101 [2024-11-24 18:04:34,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:04:34,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_bad.i [2024-11-24 18:04:34,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/b8aee94a7/042585cafadb45a687971be569302ba0/FLAG7ea231101 [2024-11-24 18:04:34,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/b8aee94a7/042585cafadb45a687971be569302ba0 [2024-11-24 18:04:34,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:04:34,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:04:34,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:34,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:04:34,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:04:34,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:34" (1/1) ... [2024-11-24 18:04:34,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd890a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:34, skipping insertion in model container [2024-11-24 18:04:34,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:34" (1/1) ... [2024-11-24 18:04:34,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:04:35,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:35,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:04:35,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:35,994 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:04:35,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35 WrapperNode [2024-11-24 18:04:35,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:35,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:35,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:04:35,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:04:36,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,068 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-24 18:04:36,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:36,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:04:36,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:04:36,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:04:36,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:04:36,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:04:36,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:04:36,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:04:36,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:35" (1/1) ... [2024-11-24 18:04:36,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:36,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:04:36,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:04:36,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:04:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:04:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:04:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:04:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:04:36,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:04:36,352 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:04:36,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:04:36,604 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-24 18:04:36,604 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:04:36,943 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:04:36,943 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:04:36,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:36 BoogieIcfgContainer [2024-11-24 18:04:36,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:04:36,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:04:36,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:04:36,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:04:36,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:36" (1/1) ... [2024-11-24 18:04:36,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:04:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:04:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:04:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:04:37,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:37,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:37,367 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:04:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:37,721 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:04:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:37,776 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:04:37,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:04:37 ImpRootNode [2024-11-24 18:04:37,813 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:04:37,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:04:37,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:04:37,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:04:37,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:36" (3/4) ... [2024-11-24 18:04:37,819 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:04:37,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:04:37,822 INFO L158 Benchmark]: Toolchain (without parser) took 3288.04ms. Allocated memory is still 167.8MB. Free memory was 126.0MB in the beginning and 124.1MB in the end (delta: 2.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-24 18:04:37,823 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:37,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.60ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 66.8MB in the end (delta: 58.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 18:04:37,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.94ms. Allocated memory is still 167.8MB. Free memory was 66.8MB in the beginning and 64.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:04:37,825 INFO L158 Benchmark]: Boogie Preprocessor took 25.80ms. Allocated memory is still 167.8MB. Free memory was 64.0MB in the beginning and 62.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:37,826 INFO L158 Benchmark]: RCFGBuilder took 848.29ms. Allocated memory is still 167.8MB. Free memory was 62.8MB in the beginning and 91.2MB in the end (delta: -28.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-24 18:04:37,827 INFO L158 Benchmark]: CodeCheck took 868.44ms. Allocated memory is still 167.8MB. Free memory was 91.2MB in the beginning and 124.1MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:37,828 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 124.1MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:37,830 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: 0.8s, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_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 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.60ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 66.8MB in the end (delta: 58.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.94ms. Allocated memory is still 167.8MB. Free memory was 66.8MB in the beginning and 64.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.80ms. Allocated memory is still 167.8MB. Free memory was 64.0MB in the beginning and 62.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 848.29ms. Allocated memory is still 167.8MB. Free memory was 62.8MB in the beginning and 91.2MB in the end (delta: -28.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 868.44ms. Allocated memory is still 167.8MB. Free memory was 91.2MB in the beginning and 124.1MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 124.1MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:04:37,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/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_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/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_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/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_6bd2ac97-b016-4470-86eb-92967e4c5d78/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 1787c9e4c33f77e452516367852805db279376f12690aab51569f78497e270f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:04:40,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:04:40,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:04:40,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:04:40,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:04:40,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:04:40,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:04:40,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:04:40,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:04:40,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:04:40,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:04:40,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:04:40,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:04:40,666 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:04:40,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:04:40,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:04:40,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:04:40,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:04:40,667 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:40,667 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:04:40,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:04:40,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:40,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:04:40,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:04:40,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:04:40,668 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:04:40,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:40,668 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:04:40,669 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_6bd2ac97-b016-4470-86eb-92967e4c5d78/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 -> 1787c9e4c33f77e452516367852805db279376f12690aab51569f78497e270f5 [2024-11-24 18:04:41,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:04:41,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:04:41,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:04:41,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:04:41,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:04:41,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_bad.i [2024-11-24 18:04:44,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/6ba014f1a/54533cd3c8b140cda1c6e000f6072041/FLAG63f6853bc [2024-11-24 18:04:44,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:04:44,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_13_bad.i [2024-11-24 18:04:44,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/6ba014f1a/54533cd3c8b140cda1c6e000f6072041/FLAG63f6853bc [2024-11-24 18:04:44,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/data/6ba014f1a/54533cd3c8b140cda1c6e000f6072041 [2024-11-24 18:04:44,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:04:44,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:04:44,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:44,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:04:44,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:04:44,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:44" (1/1) ... [2024-11-24 18:04:44,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b86d701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:44, skipping insertion in model container [2024-11-24 18:04:44,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:44" (1/1) ... [2024-11-24 18:04:44,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:04:45,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:45,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:04:46,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:46,254 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:04:46,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46 WrapperNode [2024-11-24 18:04:46,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:46,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:46,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:04:46,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:04:46,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,338 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-24 18:04:46,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:46,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:04:46,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:04:46,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:04:46,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:04:46,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:04:46,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:04:46,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:04:46,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:46,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:04:46,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:04:46,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:04:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:04:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:04:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:04:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:04:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:04:46,611 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:04:46,613 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:04:46,803 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:04:46,803 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:04:46,947 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:04:46,950 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:04:46,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:46 BoogieIcfgContainer [2024-11-24 18:04:46,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:04:46,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:04:46,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:04:46,964 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:04:46,964 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:46" (1/1) ... [2024-11-24 18:04:46,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:04:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:04:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:04:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:04:47,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:47,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:47,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:04:47,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:04:47,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:04:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:47,239 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:04:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:47,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:04:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:04:47,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-24 18:04:47,435 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:04:47,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:04:47 ImpRootNode [2024-11-24 18:04:47,471 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:04:47,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:04:47,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:04:47,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:04:47,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:46" (3/4) ... [2024-11-24 18:04:47,478 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:04:47,590 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-24 18:04:47,697 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:04:47,697 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:04:47,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:04:47,701 INFO L158 Benchmark]: Toolchain (without parser) took 2998.62ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 33.8MB in the end (delta: 23.2MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-24 18:04:47,701 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:47,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1554.59ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.4MB in the end (delta: 6.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-24 18:04:47,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.28ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 47.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:47,704 INFO L158 Benchmark]: Boogie Preprocessor took 30.31ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:47,705 INFO L158 Benchmark]: RCFGBuilder took 580.70ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 52.0MB in the end (delta: -6.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-24 18:04:47,705 INFO L158 Benchmark]: CodeCheck took 519.73ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 38.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:04:47,705 INFO L158 Benchmark]: Witness Printer took 225.96ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 33.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:04:47,708 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: 0.5s, 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, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1554.59ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.4MB in the end (delta: 6.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.28ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 47.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.31ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 580.70ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 52.0MB in the end (delta: -6.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 519.73ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 38.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 225.96ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 33.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:04:47,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd2ac97-b016-4470-86eb-92967e4c5d78/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)