./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_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_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/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_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/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_6c9fae70-c9f0-4b70-b014-1523f826c257/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:57:26,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:57:26,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:57:26,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:57:26,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:57:26,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:57:26,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:57:26,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:57:26,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:57:26,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:57:26,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:57:26,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:57:26,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:57:26,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:57:26,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:57:26,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:57:26,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:57:26,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:57:26,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:57:26,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:57:26,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:57:26,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:57:26,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:57:26,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:57:26,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:57:26,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:57:26,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:26,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:57:26,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:57:26,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:57:26,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:57:26,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:57:26,962 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_6c9fae70-c9f0-4b70-b014-1523f826c257/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 -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-11-25 04:57:27,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:57:27,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:57:27,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:57:27,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:57:27,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:57:27,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-25 04:57:30,237 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/a75330073/89df51c7bdc84bcd9f853b1933fd71c4/FLAG0caf06ed6 [2024-11-25 04:57:30,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:57:30,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-25 04:57:30,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/a75330073/89df51c7bdc84bcd9f853b1933fd71c4/FLAG0caf06ed6 [2024-11-25 04:57:30,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/a75330073/89df51c7bdc84bcd9f853b1933fd71c4 [2024-11-25 04:57:30,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:57:30,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:57:30,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:30,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:57:30,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:57:30,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:30" (1/1) ... [2024-11-25 04:57:30,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121f47f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30, skipping insertion in model container [2024-11-25 04:57:30,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:30" (1/1) ... [2024-11-25 04:57:30,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:57:31,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:57:31,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:57:31,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:57:32,043 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:57:32,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32 WrapperNode [2024-11-25 04:57:32,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:32,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:57:32,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:57:32,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:57:32,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,094 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-11-25 04:57:32,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:57:32,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:57:32,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:57:32,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:57:32,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,111 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:57:32,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:57:32,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:57:32,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:57:32,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:32,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:57:32,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:57:32,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:57:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:57:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:57:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:57:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:57:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:57:32,378 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:57:32,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:57:32,665 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-25 04:57:32,665 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:57:32,897 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:57:32,897 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:57:32,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:32 BoogieIcfgContainer [2024-11-25 04:57:32,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:57:32,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:57:32,898 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:57:32,910 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:57:32,910 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:32" (1/1) ... [2024-11-25 04:57:32,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:57:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:57:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:57:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:57:32,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:33,305 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:57:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:33,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:57:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:33,643 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:57:33,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:57:33 ImpRootNode [2024-11-25 04:57:33,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:57:33,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:57:33,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:57:33,677 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:57:33,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:32" (3/4) ... [2024-11-25 04:57:33,682 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:57:33,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:57:33,683 INFO L158 Benchmark]: Toolchain (without parser) took 2953.46ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 99.0MB in the end (delta: 2.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-25 04:57:33,684 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:33,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.83ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 42.5MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:57:33,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 142.6MB. Free memory was 42.5MB in the beginning and 39.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:33,687 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 38.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:33,688 INFO L158 Benchmark]: RCFGBuilder took 776.09ms. Allocated memory is still 142.6MB. Free memory was 38.4MB in the beginning and 68.6MB in the end (delta: -30.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-25 04:57:33,691 INFO L158 Benchmark]: CodeCheck took 777.89ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 99.1MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:33,691 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:33,693 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1568]: 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [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)) [L1555] CALL funcPtr(data) [L1568] 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 0.27ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.83ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 42.5MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 142.6MB. Free memory was 42.5MB in the beginning and 39.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 38.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 776.09ms. Allocated memory is still 142.6MB. Free memory was 38.4MB in the beginning and 68.6MB in the end (delta: -30.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 777.89ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 99.1MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:57:33,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/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 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_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/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_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/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_6c9fae70-c9f0-4b70-b014-1523f826c257/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:57:36,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:57:36,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:57:36,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:57:36,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:57:36,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:57:36,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:57:36,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:57:36,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:57:36,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:57:36,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:57:36,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:57:36,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:57:36,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:57:36,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:57:36,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:57:36,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:57:36,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:57:36,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:57:36,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:57:36,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:57:36,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:57:36,584 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:57:36,584 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:57:36,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:57:36,584 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:36,585 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:57:36,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:57:36,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:36,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:57:36,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:57:36,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:57:36,585 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:57:36,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:36,586 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:57:36,586 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_6c9fae70-c9f0-4b70-b014-1523f826c257/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 -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-11-25 04:57:36,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:57:36,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:57:36,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:57:36,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:57:36,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:57:36,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-25 04:57:40,211 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/03e4892dd/da4942f53f49465397c26ec75b8bbfc0/FLAG31940f191 [2024-11-25 04:57:40,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:57:40,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-25 04:57:40,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/03e4892dd/da4942f53f49465397c26ec75b8bbfc0/FLAG31940f191 [2024-11-25 04:57:40,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/data/03e4892dd/da4942f53f49465397c26ec75b8bbfc0 [2024-11-25 04:57:40,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:57:40,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:57:40,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:40,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:57:40,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:57:40,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:40" (1/1) ... [2024-11-25 04:57:40,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771d0d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:40, skipping insertion in model container [2024-11-25 04:57:40,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:40" (1/1) ... [2024-11-25 04:57:40,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:57:41,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:57:41,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:57:41,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:57:42,085 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:57:42,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42 WrapperNode [2024-11-25 04:57:42,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:42,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:57:42,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:57:42,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:57:42,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,159 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2024-11-25 04:57:42,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:57:42,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:57:42,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:57:42,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:57:42,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:57:42,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:57:42,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:57:42,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:57:42,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:57:42,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:57:42,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:57:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:57:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:57:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:57:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:57:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:57:42,433 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:57:42,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:57:42,594 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-25 04:57:42,594 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:57:42,692 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:57:42,692 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:57:42,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:42 BoogieIcfgContainer [2024-11-25 04:57:42,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:57:42,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:57:42,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:57:42,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:57:42,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:42" (1/1) ... [2024-11-25 04:57:42,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:57:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:57:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:57:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:57:42,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:42,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:42,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:42,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:57:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:43,000 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:57:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:43,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:57:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:43,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:57:43,201 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:57:43,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:57:43 ImpRootNode [2024-11-25 04:57:43,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:57:43,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:57:43,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:57:43,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:57:43,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:42" (3/4) ... [2024-11-25 04:57:43,238 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:57:43,291 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:57:43,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:57:43,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:57:43,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:57:43,345 INFO L158 Benchmark]: Toolchain (without parser) took 2561.80ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 59.7MB in the end (delta: 30.2MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-11-25 04:57:43,345 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:43,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1305.00ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 77.1MB in the end (delta: 12.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-25 04:57:43,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.88ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:43,346 INFO L158 Benchmark]: Boogie Preprocessor took 44.11ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:43,346 INFO L158 Benchmark]: RCFGBuilder took 488.06ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 78.0MB in the end (delta: -5.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:57:43,346 INFO L158 Benchmark]: CodeCheck took 535.94ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 64.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:43,347 INFO L158 Benchmark]: Witness Printer took 106.93ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 59.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:43,349 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1568]: 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [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)) [L1555] CALL funcPtr(data) [L1568] 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 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1305.00ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 77.1MB in the end (delta: 12.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.88ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.11ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.06ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 78.0MB in the end (delta: -5.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 535.94ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 64.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 106.93ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 59.7MB 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! [2024-11-25 04:57:43,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9fae70-c9f0-4b70-b014-1523f826c257/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)