./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/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_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:02:21,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:21,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:02:21,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:02:21,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:02:21,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:21,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:21,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:21,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:21,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:21,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:21,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:21,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:02:21,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:21,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:21,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:21,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:21,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:21,810 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:02:21,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:02:21,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:21,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:21,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:21,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:21,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:21,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:21,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:21,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:21,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:21,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:21,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:02:21,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:02:21,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ea3a6c4c5d282a54dd1474f835d1a4f2cafe118865b5b50411e3ca4c801360b [2024-11-09 00:02:22,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:22,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:22,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:22,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:22,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:22,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i Unable to find full path for "g++" [2024-11-09 00:02:24,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:24,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:24,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i [2024-11-09 00:02:24,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data/3b768192e/f1901a7ccf574c94b95042799fc917f3/FLAGee31ff061 [2024-11-09 00:02:24,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data/3b768192e/f1901a7ccf574c94b95042799fc917f3 [2024-11-09 00:02:24,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:24,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:24,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:24,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:24,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:24,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:24" (1/1) ... [2024-11-09 00:02:24,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1357055a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:24, skipping insertion in model container [2024-11-09 00:02:24,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:24" (1/1) ... [2024-11-09 00:02:24,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:26,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:26,015 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:26,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:26,341 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:26,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26 WrapperNode [2024-11-09 00:02:26,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:26,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:26,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:26,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:26,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,426 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2024-11-09 00:02:26,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:26,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:26,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:26,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:26,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:26,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:26,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:26,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:26,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:26,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:26,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:02:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:02:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:26,698 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:26,700 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:26,971 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:26,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:27,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:27,196 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:02:27,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:27 BoogieIcfgContainer [2024-11-09 00:02:27,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:27,198 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:27,198 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:27,209 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:27,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:27" (1/1) ... [2024-11-09 00:02:27,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:27,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-09 00:02:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-09 00:02:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:27,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:27,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2024-11-09 00:02:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-09 00:02:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:28,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:28,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2024-11-09 00:02:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-09 00:02:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:02:28,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-11-09 00:02:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-09 00:02:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:02:28,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:28,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:28,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:02:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:29,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:02:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:29,132 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-09 00:02:29,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:02:29 ImpRootNode [2024-11-09 00:02:29,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:02:29,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:02:29,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:02:29,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:02:29,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:27" (3/4) ... [2024-11-09 00:02:29,186 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:02:29,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:02:29,189 INFO L158 Benchmark]: Toolchain (without parser) took 4447.11ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 138.5MB in the end (delta: -24.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-09 00:02:29,190 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 80.4MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:29,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1599.15ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 104.6MB in the end (delta: 8.8MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-11-09 00:02:29,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.70ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:02:29,193 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 920.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:29,194 INFO L158 Benchmark]: RCFGBuilder took 738.54ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 114.3MB in the end (delta: -14.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 00:02:29,195 INFO L158 Benchmark]: CodeCheck took 1982.57ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.3MB in the beginning and 138.5MB in the end (delta: -24.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:02:29,196 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 186.6MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:29,201 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, 26 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, 48 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 15 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 189 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569, 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 FALSE !(i < 1) 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 TRUE i < 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] [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 FALSE !(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] [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 0.22ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 80.4MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1599.15ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 104.6MB in the end (delta: 8.8MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.70ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 920.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 738.54ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 114.3MB in the end (delta: -14.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 1982.57ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.3MB in the beginning and 138.5MB in the end (delta: -24.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 186.6MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:02:29,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/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_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:02:31,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:31,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:02:31,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:31,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:31,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:31,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:31,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:31,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:31,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:31,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:31,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:31,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:31,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:31,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:02:31,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:02:31,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:31,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:02:31,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:02:31,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:02:31,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:31,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:31,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:31,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:31,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:31,938 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:31,938 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:02:31,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:31,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:31,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:31,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:31,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:31,940 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:02:31,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:31,941 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:02:31,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ea3a6c4c5d282a54dd1474f835d1a4f2cafe118865b5b50411e3ca4c801360b [2024-11-09 00:02:32,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:32,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:32,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:32,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:32,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:32,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i Unable to find full path for "g++" [2024-11-09 00:02:34,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:35,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:35,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_bad.i [2024-11-09 00:02:35,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data/975812a66/a6996457420b49968872cdba915d3fe6/FLAG80c552f88 [2024-11-09 00:02:35,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/data/975812a66/a6996457420b49968872cdba915d3fe6 [2024-11-09 00:02:35,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:35,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:35,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:35,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:35,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:35,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:35" (1/1) ... [2024-11-09 00:02:35,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19251f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:35, skipping insertion in model container [2024-11-09 00:02:35,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:35" (1/1) ... [2024-11-09 00:02:35,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:36,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:36,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:36,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:36,761 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:36,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36 WrapperNode [2024-11-09 00:02:36,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:36,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:36,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:36,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:36,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,835 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-09 00:02:36,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:36,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:36,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:36,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:36,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:36,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:36,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:36,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:36,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:36" (1/1) ... [2024-11-09 00:02:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:36,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:36,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:36,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:02:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:02:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:37,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:37,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:37,364 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:37,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:37,453 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:37,454 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:02:37,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:37 BoogieIcfgContainer [2024-11-09 00:02:37,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:37,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:37,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:37,494 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:37,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:37" (1/1) ... [2024-11-09 00:02:37,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-09 00:02:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-09 00:02:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:37,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:37,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:37,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:37,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:37,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:02:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:37,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:37,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:02:37,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:37,878 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:02:37,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:02:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-09 00:02:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-09 00:02:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:37,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:37,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:37,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:37,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:37,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:02:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:02:38,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:38,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:02:38,206 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:02:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2024-11-09 00:02:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-09 00:02:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:02:38,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:38,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:38,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:38,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:38,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:02:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:02:38,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:38,567 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:02:38,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:02:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-11-09 00:02:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-09 00:02:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:02:38,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:38,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:38,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:38,669 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:38,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:02:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:38,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:02:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:39,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:02:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:39,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:02:39,052 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-09 00:02:39,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:02:39 ImpRootNode [2024-11-09 00:02:39,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:02:39,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:02:39,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:02:39,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:02:39,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:37" (3/4) ... [2024-11-09 00:02:39,113 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:02:39,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:02:39,116 INFO L158 Benchmark]: Toolchain (without parser) took 3737.29ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 67.3MB in the end (delta: -5.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:02:39,117 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:39,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.36ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 62.5MB in the end (delta: -357.8kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-09 00:02:39,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.08ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 59.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:39,120 INFO L158 Benchmark]: Boogie Preprocessor took 38.91ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:39,121 INFO L158 Benchmark]: RCFGBuilder took 580.73ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 37.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:02:39,121 INFO L158 Benchmark]: CodeCheck took 1648.97ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 37.8MB in the beginning and 68.2MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:39,122 INFO L158 Benchmark]: Witness Printer took 8.45ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 67.3MB in the end (delta: 831.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:39,129 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, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 30 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 213 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, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. 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 FALSE !(i < 1) 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 TRUE i < 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] [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 FALSE !(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] [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 0.32ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.36ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 62.5MB in the end (delta: -357.8kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.08ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 59.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.91ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.73ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 37.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1648.97ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 37.8MB in the beginning and 68.2MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.45ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 67.3MB in the end (delta: 831.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:02:39,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6868276-8e3b-49c9-9433-09460ece854f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample