./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/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_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/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_02636f3e-b9fe-4092-849c-d0c3841f36b9/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 8ea3a6c4c5d282a54dd1474f835d1a4f2cafe118865b5b50411e3ca4c801360b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:23:04,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:23:04,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:23:04,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:23:04,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:23:04,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:23:04,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:23:04,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:23:04,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:23:04,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:23:04,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:23:04,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:23:04,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:23:04,785 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:23:04,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:23:04,785 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:23:04,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:23:04,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:23:04,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:23:04,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:04,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:23:04,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:23:04,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:23:04,786 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:23:04,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:23:04,786 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_02636f3e-b9fe-4092-849c-d0c3841f36b9/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 -> 8ea3a6c4c5d282a54dd1474f835d1a4f2cafe118865b5b50411e3ca4c801360b [2024-12-06 01:23:05,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:23:05,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:23:05,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:23:05,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:23:05,011 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:23:05,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i [2024-12-06 01:23:07,655 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/7d3dd4c26/c5a5a21a32ed46faaf4d604622f11b32/FLAGc25c7e149 [2024-12-06 01:23:07,966 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:23:07,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i [2024-12-06 01:23:07,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/7d3dd4c26/c5a5a21a32ed46faaf4d604622f11b32/FLAGc25c7e149 [2024-12-06 01:23:08,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/7d3dd4c26/c5a5a21a32ed46faaf4d604622f11b32 [2024-12-06 01:23:08,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:23:08,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:23:08,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:08,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:23:08,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:23:08,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:08" (1/1) ... [2024-12-06 01:23:08,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6aeb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:08, skipping insertion in model container [2024-12-06 01:23:08,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:08" (1/1) ... [2024-12-06 01:23:08,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:23:08,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:09,000 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:23:09,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:09,184 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:23:09,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09 WrapperNode [2024-12-06 01:23:09,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:09,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:09,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:23:09,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:23:09,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,224 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-12-06 01:23:09,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:09,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:23:09,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:23:09,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:23:09,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:23:09,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:23:09,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:23:09,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:23:09,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:09,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:23:09,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:23:09,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:23:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:23:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:23:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:23:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:23:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:23:09,406 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:23:09,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:23:09,604 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-12-06 01:23:09,604 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:23:09,741 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:23:09,741 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:23:09,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:09 BoogieIcfgContainer [2024-12-06 01:23:09,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:23:09,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:23:09,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:23:09,749 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:23:09,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:09" (1/1) ... [2024-12-06 01:23:09,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:23:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-12-06 01:23:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 01:23:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:23:09,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:23:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-12-06 01:23:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-12-06 01:23:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:23:10,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:10,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:23:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-12-06 01:23:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-12-06 01:23:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:23:10,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:10,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:23:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-12-06 01:23:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-12-06 01:23:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:23:10,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:23:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:10,786 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:23:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:10,899 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:23:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:10,942 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 01:23:10,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:23:10 ImpRootNode [2024-12-06 01:23:10,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:23:10,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:23:10,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:23:10,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:23:10,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:09" (3/4) ... [2024-12-06 01:23:10,971 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:23:10,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:23:10,973 INFO L158 Benchmark]: Toolchain (without parser) took 2753.22ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 115.5MB in the beginning and 374.8MB in the end (delta: -259.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-12-06 01:23:10,973 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:10,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 964.44ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 106.7MB in the end (delta: 8.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-12-06 01:23:10,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 103.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:23:10,974 INFO L158 Benchmark]: Boogie Preprocessor took 21.09ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:10,975 INFO L158 Benchmark]: RCFGBuilder took 494.77ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 64.5MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:23:10,975 INFO L158 Benchmark]: CodeCheck took 1225.99ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 64.5MB in the beginning and 374.8MB in the end (delta: -310.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:10,975 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 411.0MB. Free memory was 374.8MB in the beginning and 374.8MB in the end (delta: 11.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:10,978 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 0.1s 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, 0.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 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: 1560]: 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_predec_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] [L1560] --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, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 964.44ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 106.7MB in the end (delta: 8.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 103.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.09ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 494.77ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 64.5MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1225.99ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 64.5MB in the beginning and 374.8MB in the end (delta: -310.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 411.0MB. Free memory was 374.8MB in the beginning and 374.8MB in the end (delta: 11.5kB). 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 01:23:10,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/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_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/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_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/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_02636f3e-b9fe-4092-849c-d0c3841f36b9/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 8ea3a6c4c5d282a54dd1474f835d1a4f2cafe118865b5b50411e3ca4c801360b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:23:12,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:23:12,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:23:13,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:23:13,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:23:13,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:23:13,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:23:13,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:23:13,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:23:13,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:23:13,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:23:13,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:13,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:13,023 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:23:13,024 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_02636f3e-b9fe-4092-849c-d0c3841f36b9/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 -> 8ea3a6c4c5d282a54dd1474f835d1a4f2cafe118865b5b50411e3ca4c801360b [2024-12-06 01:23:13,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:23:13,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:23:13,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:23:13,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:23:13,278 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:23:13,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i [2024-12-06 01:23:15,962 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/8c245b840/4391ceb9a44e49e3ba31eee8036a8c1c/FLAG3feb77e1d [2024-12-06 01:23:16,221 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:23:16,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i [2024-12-06 01:23:16,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/8c245b840/4391ceb9a44e49e3ba31eee8036a8c1c/FLAG3feb77e1d [2024-12-06 01:23:16,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/data/8c245b840/4391ceb9a44e49e3ba31eee8036a8c1c [2024-12-06 01:23:16,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:23:16,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:23:16,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:16,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:23:16,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:23:16,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:16" (1/1) ... [2024-12-06 01:23:16,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5477f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:16, skipping insertion in model container [2024-12-06 01:23:16,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:16" (1/1) ... [2024-12-06 01:23:16,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:23:16,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:16,933 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:23:17,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:17,125 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:23:17,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17 WrapperNode [2024-12-06 01:23:17,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:17,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:17,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:23:17,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:23:17,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,170 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-12-06 01:23:17,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:17,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:23:17,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:23:17,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:23:17,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:23:17,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:23:17,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:23:17,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:23:17,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:23:17,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:23:17,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:23:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:23:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:23:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:23:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:23:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:23:17,362 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:23:17,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:23:17,483 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 01:23:17,483 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:23:17,528 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:23:17,528 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:23:17,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:17 BoogieIcfgContainer [2024-12-06 01:23:17,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:23:17,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:23:17,530 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:23:17,539 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:23:17,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:17" (1/1) ... [2024-12-06 01:23:17,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:23:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-12-06 01:23:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 01:23:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:23:17,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:17,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:17,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:17,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:17,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:23:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:17,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:17,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:23:17,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:17,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:23:17,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-12-06 01:23:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-12-06 01:23:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:23:17,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:17,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:17,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:17,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:17,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:23:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:17,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:17,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:23:17,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:17,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:23:17,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-06 01:23:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 01:23:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:23:17,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:17,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:17,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:17,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:17,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:23:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:18,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:18,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:23:18,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:18,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:23:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-12-06 01:23:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 01:23:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:23:18,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:18,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:18,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:18,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:23:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:18,380 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:23:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:18,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:23:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:18,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:23:18,506 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 01:23:18,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:23:18 ImpRootNode [2024-12-06 01:23:18,532 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:23:18,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:23:18,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:23:18,533 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:23:18,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:17" (3/4) ... [2024-12-06 01:23:18,534 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:23:18,579 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 01:23:18,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:23:18,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:23:18,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:23:18,634 INFO L158 Benchmark]: Toolchain (without parser) took 2374.37ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 58.1MB in the end (delta: 7.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-12-06 01:23:18,634 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:18,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.88ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 01:23:18,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.18ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:18,635 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:18,635 INFO L158 Benchmark]: RCFGBuilder took 330.15ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 40.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:23:18,636 INFO L158 Benchmark]: CodeCheck took 1002.43ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 30.7MB in the end (delta: 9.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-06 01:23:18,636 INFO L158 Benchmark]: Witness Printer took 100.58ms. Allocated memory is still 92.3MB. Free memory was 30.7MB in the beginning and 58.1MB in the end (delta: -27.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-12-06 01:23:18,638 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 25 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 1560]: 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_predec_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=-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] [L1560] --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, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.88ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.18ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.15ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 40.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1002.43ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 30.7MB in the end (delta: 9.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 100.58ms. Allocated memory is still 92.3MB. Free memory was 30.7MB in the beginning and 58.1MB in the end (delta: -27.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:23:18,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02636f3e-b9fe-4092-849c-d0c3841f36b9/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)