./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_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_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/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_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/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_47c208a7-ab57-42cf-9444-8f9584efe618/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 0ff06313c85074f5b14d885a8651cc5358eb0d923759ff849107fa9c244bd1b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:58:05,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:58:05,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:58:05,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:58:05,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:58:05,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:58:05,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:58:05,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:58:05,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:58:05,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:58:05,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:58:05,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:58:05,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:58:05,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:58:05,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:58:05,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:58:05,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:58:05,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:58:05,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:58:05,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:58:05,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:05,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:58:05,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:58:05,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:58:05,293 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:58:05,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:58:05,293 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_47c208a7-ab57-42cf-9444-8f9584efe618/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 -> 0ff06313c85074f5b14d885a8651cc5358eb0d923759ff849107fa9c244bd1b7 [2024-11-25 04:58:05,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:58:05,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:58:05,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:58:05,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:58:05,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:58:05,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_bad.i [2024-11-25 04:58:08,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/02d0d1a27/28405db6498647249560aac68f1e3f9a/FLAGb82cd5008 [2024-11-25 04:58:09,026 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:58:09,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_bad.i [2024-11-25 04:58:09,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/02d0d1a27/28405db6498647249560aac68f1e3f9a/FLAGb82cd5008 [2024-11-25 04:58:09,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/02d0d1a27/28405db6498647249560aac68f1e3f9a [2024-11-25 04:58:09,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:58:09,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:58:09,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:09,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:58:09,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:58:09,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:09" (1/1) ... [2024-11-25 04:58:09,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377c8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:09, skipping insertion in model container [2024-11-25 04:58:09,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:09" (1/1) ... [2024-11-25 04:58:09,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:58:10,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:10,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:58:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:10,413 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:58:10,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10 WrapperNode [2024-11-25 04:58:10,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:10,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:10,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:58:10,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:58:10,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,462 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-25 04:58:10,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:10,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:58:10,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:58:10,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:58:10,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:58:10,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:58:10,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:58:10,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:58:10,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:10" (1/1) ... [2024-11-25 04:58:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:58:10,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:58:10,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:58:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:58:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:58:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:58:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:58:10,754 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:58:10,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:58:11,061 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 04:58:11,061 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:58:11,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:58:11,324 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:58:11,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:11 BoogieIcfgContainer [2024-11-25 04:58:11,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:58:11,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:58:11,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:58:11,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:58:11,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:11" (1/1) ... [2024-11-25 04:58:11,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:58:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 04:58:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 04:58:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:58:11,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:11,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-25 04:58:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-25 04:58:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:58:12,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:12,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2024-11-25 04:58:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-11-25 04:58:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:58:12,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2024-11-25 04:58:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-25 04:58:12,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:58:12,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:12,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:13,027 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:13,176 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:13,244 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 04:58:13,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:58:13 ImpRootNode [2024-11-25 04:58:13,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:58:13,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:58:13,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:58:13,288 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:58:13,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:11" (3/4) ... [2024-11-25 04:58:13,291 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:58:13,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:58:13,296 INFO L158 Benchmark]: Toolchain (without parser) took 4120.07ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 52.8MB in the end (delta: 61.0MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-25 04:58:13,296 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.1MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:13,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.78ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.3MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:58:13,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.10ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 51.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:58:13,297 INFO L158 Benchmark]: Boogie Preprocessor took 25.99ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 50.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:13,297 INFO L158 Benchmark]: RCFGBuilder took 834.07ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 80.8MB in the end (delta: -30.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-25 04:58:13,298 INFO L158 Benchmark]: CodeCheck took 1960.77ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 52.8MB in the end (delta: 28.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-25 04:58:13,298 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 52.8MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:13,303 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, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.1MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.78ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.3MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.10ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 51.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.99ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 50.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 834.07ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 80.8MB in the end (delta: -30.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 1960.77ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 52.8MB in the end (delta: 28.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 52.8MB in the end (delta: 17.6kB). 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 04:58:13,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/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_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/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_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/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_47c208a7-ab57-42cf-9444-8f9584efe618/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 0ff06313c85074f5b14d885a8651cc5358eb0d923759ff849107fa9c244bd1b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:58:16,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:58:16,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:58:16,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:58:16,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:58:16,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:58:16,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:58:16,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:58:16,191 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:58:16,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:58:16,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:58:16,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:16,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:58:16,193 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:16,194 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:58:16,194 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_47c208a7-ab57-42cf-9444-8f9584efe618/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 -> 0ff06313c85074f5b14d885a8651cc5358eb0d923759ff849107fa9c244bd1b7 [2024-11-25 04:58:16,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:58:16,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:58:16,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:58:16,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:58:16,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:58:16,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_bad.i [2024-11-25 04:58:19,494 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/70c7f9d4b/39e392caa0f04b8abf180537afc619a6/FLAGb0e9ac783 [2024-11-25 04:58:19,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:58:19,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_bad.i [2024-11-25 04:58:20,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/70c7f9d4b/39e392caa0f04b8abf180537afc619a6/FLAGb0e9ac783 [2024-11-25 04:58:20,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/data/70c7f9d4b/39e392caa0f04b8abf180537afc619a6 [2024-11-25 04:58:20,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:58:20,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:58:20,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:20,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:58:20,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:58:20,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:20" (1/1) ... [2024-11-25 04:58:20,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352429f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:20, skipping insertion in model container [2024-11-25 04:58:20,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:20" (1/1) ... [2024-11-25 04:58:20,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:58:21,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:21,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:58:21,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:21,615 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:58:21,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21 WrapperNode [2024-11-25 04:58:21,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:21,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:21,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:58:21,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:58:21,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,679 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-25 04:58:21,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:21,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:58:21,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:58:21,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:58:21,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:58:21,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:58:21,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:58:21,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:58:21,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:21" (1/1) ... [2024-11-25 04:58:21,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:21,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:58:21,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:58:21,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:58:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:58:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:58:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:58:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:58:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:58:21,912 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:58:21,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:58:22,092 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-25 04:58:22,093 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:58:22,163 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:58:22,163 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:58:22,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:22 BoogieIcfgContainer [2024-11-25 04:58:22,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:58:22,165 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:58:22,165 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:58:22,187 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:58:22,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:22" (1/1) ... [2024-11-25 04:58:22,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:58:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 04:58:22,253 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 04:58:22,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:58:22,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:22,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:22,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:22,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:58:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:58:22,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:22,504 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:58:22,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-25 04:58:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-25 04:58:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:58:22,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:22,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:22,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:22,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:22,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:58:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:58:22,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:22,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:58:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-25 04:58:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-25 04:58:22,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:58:22,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:22,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:22,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:22,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:22,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:58:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:23,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:23,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:58:23,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:23,116 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:58:23,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2024-11-25 04:58:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-25 04:58:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:58:23,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:23,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:23,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:23,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:58:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:23,347 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:23,476 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:23,517 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:58:23,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:58:23,518 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 04:58:23,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:58:23 ImpRootNode [2024-11-25 04:58:23,545 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:58:23,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:58:23,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:58:23,546 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:58:23,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:22" (3/4) ... [2024-11-25 04:58:23,552 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:58:23,600 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9. [2024-11-25 04:58:23,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:58:23,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:58:23,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:58:23,649 INFO L158 Benchmark]: Toolchain (without parser) took 3562.23ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 55.4MB in the beginning and 113.0MB in the end (delta: -57.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-25 04:58:23,650 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 18.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:23,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.88ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 49.8MB in the end (delta: 5.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-25 04:58:23,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.15ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 46.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:23,651 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 45.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:23,651 INFO L158 Benchmark]: RCFGBuilder took 455.01ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 27.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:58:23,652 INFO L158 Benchmark]: CodeCheck took 1380.43ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 27.6MB in the beginning and 117.9MB in the end (delta: -90.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:23,652 INFO L158 Benchmark]: Witness Printer took 102.85ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 113.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:58:23,654 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, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 21 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2/3 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: 1561]: 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 18.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.88ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 49.8MB in the end (delta: 5.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.15ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 46.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 45.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.01ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 27.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1380.43ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 27.6MB in the beginning and 117.9MB in the end (delta: -90.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.85ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 113.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:58:23,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c208a7-ab57-42cf-9444-8f9584efe618/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)