./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_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_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b --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 a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:35:53,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:35:53,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:35:53,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:35:53,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:35:53,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:35:53,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:35:53,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:35:53,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:35:53,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:35:53,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:35:53,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:35:53,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:35:53,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:35:53,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:35:53,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:35:53,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:35:53,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:35:53,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:35:53,503 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_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b 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 -> a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a [2024-12-06 04:35:53,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:35:53,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:35:53,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:35:53,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:35:53,755 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:35:53,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i [2024-12-06 04:35:56,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/16ac7da60/cec71f10c5c641c5986e653d4d3fe9a7/FLAGd9aba1ede [2024-12-06 04:35:56,694 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:35:56,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i [2024-12-06 04:35:56,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/16ac7da60/cec71f10c5c641c5986e653d4d3fe9a7/FLAGd9aba1ede [2024-12-06 04:35:56,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/16ac7da60/cec71f10c5c641c5986e653d4d3fe9a7 [2024-12-06 04:35:56,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:35:56,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:35:56,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:35:56,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:35:56,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:35:56,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:35:56" (1/1) ... [2024-12-06 04:35:56,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6a4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:56, skipping insertion in model container [2024-12-06 04:35:56,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:35:56" (1/1) ... [2024-12-06 04:35:56,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:35:57,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:35:57,367 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:35:57,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:35:57,540 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:35:57,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57 WrapperNode [2024-12-06 04:35:57,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:35:57,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:35:57,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:35:57,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:35:57,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,588 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2024-12-06 04:35:57,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:35:57,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:35:57,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:35:57,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:35:57,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,604 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:35:57,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:35:57,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:35:57,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:35:57,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:57" (1/1) ... [2024-12-06 04:35:57,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:35:57,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:35:57,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:35:57,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:35:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:35:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:35:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:35:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:35:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:35:57,772 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:35:57,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:35:57,943 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-06 04:35:57,943 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:35:58,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:35:58,104 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:35:58,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:58 BoogieIcfgContainer [2024-12-06 04:35:58,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:35:58,105 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:35:58,105 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:35:58,114 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:35:58,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:58" (1/1) ... [2024-12-06 04:35:58,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:35:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 04:35:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 04:35:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:35:58,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:58,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:35:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:35:58,341 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:35:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:35:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:35:58,478 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:35:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:35:58,515 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:35:58,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:35:58 ImpRootNode [2024-12-06 04:35:58,538 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:35:58,539 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:35:58,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:35:58,539 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:35:58,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:58" (3/4) ... [2024-12-06 04:35:58,542 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:35:58,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:35:58,544 INFO L158 Benchmark]: Toolchain (without parser) took 1815.44ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 99.5MB in the end (delta: 14.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-12-06 04:35:58,544 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:35:58,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.98ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 56.4MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:35:58,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.16ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 114.5MB in the end (delta: -58.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-12-06 04:35:58,545 INFO L158 Benchmark]: Boogie Preprocessor took 22.78ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 113.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:35:58,545 INFO L158 Benchmark]: RCFGBuilder took 491.88ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 77.0MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:35:58,546 INFO L158 Benchmark]: CodeCheck took 433.17ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 99.5MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:35:58,546 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 99.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:35:58,548 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1558]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_18_bad() [L1550] int data; [L1551] 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)) [L1558] 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.98ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 56.4MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.16ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 114.5MB in the end (delta: -58.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.78ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 113.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.88ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 77.0MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 433.17ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 99.5MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 99.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:35:58,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/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_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b --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 a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:36:00,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:36:00,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:36:00,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:36:00,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:36:00,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:36:00,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:36:00,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:36:00,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:36:00,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:00,554 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:36:00,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:36:00,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:36:00,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:36:00,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:36:00,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:36:00,555 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:36:00,555 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:00,555 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:36:00,555 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_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b 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 -> a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a [2024-12-06 04:36:00,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:36:00,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:36:00,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:36:00,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:36:00,803 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:36:00,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i [2024-12-06 04:36:03,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/c445d92b0/e447d57d3de7451b9eb0ae029de43eed/FLAGbbd92ce91 [2024-12-06 04:36:03,763 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:36:03,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i [2024-12-06 04:36:03,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/c445d92b0/e447d57d3de7451b9eb0ae029de43eed/FLAGbbd92ce91 [2024-12-06 04:36:03,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/data/c445d92b0/e447d57d3de7451b9eb0ae029de43eed [2024-12-06 04:36:04,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:36:04,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:36:04,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:36:04,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:36:04,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:36:04,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c38c1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04, skipping insertion in model container [2024-12-06 04:36:04,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:36:04,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:36:04,646 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:36:04,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:36:04,849 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:36:04,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04 WrapperNode [2024-12-06 04:36:04,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:36:04,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:36:04,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:36:04,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:36:04,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,889 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-12-06 04:36:04,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:36:04,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:36:04,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:36:04,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:36:04,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,908 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:36:04,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:36:04,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:36:04,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:36:04,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:04" (1/1) ... [2024-12-06 04:36:04,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:36:04,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:36:04,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:36:04,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:36:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:36:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:36:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:36:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:36:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:36:05,094 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:36:05,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:36:05,193 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 04:36:05,193 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:36:05,248 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:36:05,248 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:36:05,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:05 BoogieIcfgContainer [2024-12-06 04:36:05,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:36:05,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:36:05,250 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:36:05,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:36:05,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:05" (1/1) ... [2024-12-06 04:36:05,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:36:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 04:36:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 04:36:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:36:05,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:05,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:05,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:05,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:05,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:36:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:36:05,459 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:36:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:36:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:36:05,548 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:36:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:36:05,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:36:05,586 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:36:05,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:36:05 ImpRootNode [2024-12-06 04:36:05,609 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:36:05,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:36:05,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:36:05,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:36:05,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:05" (3/4) ... [2024-12-06 04:36:05,611 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:36:05,650 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 04:36:05,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:36:05,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:36:05,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:36:05,694 INFO L158 Benchmark]: Toolchain (without parser) took 1691.93ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 53.6MB in the end (delta: 12.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-06 04:36:05,694 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:36:05,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.90ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.9MB in the end (delta: 3.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 04:36:05,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.95ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:36:05,695 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 58.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:36:05,695 INFO L158 Benchmark]: RCFGBuilder took 332.28ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 42.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:36:05,695 INFO L158 Benchmark]: CodeCheck took 359.39ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 58.3MB in the end (delta: -16.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 04:36:05,696 INFO L158 Benchmark]: Witness Printer took 83.11ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 53.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:36:05,697 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1558]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_18_bad() [L1550] int data; [L1551] 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)) [L1558] 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.90ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.9MB in the end (delta: 3.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.95ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 58.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.28ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 42.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 359.39ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 58.3MB in the end (delta: -16.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 83.11ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 53.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:36:05,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77686035-93c7-4744-bd2a-e878dbab8043/bin/ukojak-verify-CZk0znPC7b/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)