./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strpbrk.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_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strpbrk.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash edf491a8dfccfa6378da1f67984511795182afc470c7adf35a0acc959fae5609 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:58,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:58,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:05:58,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:05:58,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:05:58,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:58,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:58,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:58,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:58,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:58,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:58,179 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:05:58,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:05:58,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:58,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:58,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:58,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:58,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:58,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:58,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:58,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:58,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:58,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:58,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:58,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:05:58,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:05:58,181 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_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edf491a8dfccfa6378da1f67984511795182afc470c7adf35a0acc959fae5609 [2024-11-24 18:05:58,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:58,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:58,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:58,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:58,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:58,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-dietlibc/strpbrk.i [2024-11-24 18:06:01,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/data/55b33d517/48b3f6a7c9cf4555afeda2f4fc99a5b3/FLAG8cba1b542 [2024-11-24 18:06:01,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:01,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/sv-benchmarks/c/termination-dietlibc/strpbrk.i [2024-11-24 18:06:01,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/data/55b33d517/48b3f6a7c9cf4555afeda2f4fc99a5b3/FLAG8cba1b542 [2024-11-24 18:06:02,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/data/55b33d517/48b3f6a7c9cf4555afeda2f4fc99a5b3 [2024-11-24 18:06:02,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:02,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:02,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:02,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:02,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:02,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a8a310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02, skipping insertion in model container [2024-11-24 18:06:02,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:02,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:02,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:02,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:02,514 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:02,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02 WrapperNode [2024-11-24 18:06:02,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:02,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:02,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:02,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:02,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,575 INFO L138 Inliner]: procedures = 113, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-11-24 18:06:02,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:02,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:02,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:02,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:02,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:02,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:02,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:02,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:02,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:02,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:02,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:02,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:06:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:06:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:06:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:02,803 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:02,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:03,042 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:03,042 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:03,072 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:03,072 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:06:03,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:03 BoogieIcfgContainer [2024-11-24 18:06:03,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:03,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:03,076 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:03,089 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:03,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-24 18:06:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-24 18:06:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:06:03,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:03,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-24 18:06:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-24 18:06:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:06:03,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:03,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-24 18:06:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-24 18:06:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:06:03,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-24 18:06:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-24 18:06:03,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:06:03,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-24 18:06:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-24 18:06:04,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:06:04,003 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-24 18:06:04,016 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-24 18:06:04,067 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 522) no Hoare annotation was computed. [2024-11-24 18:06:04,067 INFO L77 FloydHoareUtils]: At program point strpbrk_returnLabel#1(lines 506 513) the Hoare annotation is: true [2024-11-24 18:06:04,067 INFO L77 FloydHoareUtils]: At program point L510(lines 510 511) the Hoare annotation is: true [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 514 524) the Hoare annotation is: true [2024-11-24 18:06:04,068 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 518) no Hoare annotation was computed. [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point L520(line 520) the Hoare annotation is: (<= |ULTIMATE.start_main_~out_len~0#1| 2147483647) [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point L516(line 516) the Hoare annotation is: (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) [2024-11-24 18:06:04,068 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 518) no Hoare annotation was computed. [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point L508-1(lines 508 511) the Hoare annotation is: true [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point L508-4(lines 508 511) the Hoare annotation is: true [2024-11-24 18:06:04,068 INFO L77 FloydHoareUtils]: At program point L508-5(lines 508 511) the Hoare annotation is: true [2024-11-24 18:06:04,069 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:06:04,069 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 522) no Hoare annotation was computed. [2024-11-24 18:06:04,071 INFO L77 FloydHoareUtils]: At program point L509-1(lines 509 511) the Hoare annotation is: true [2024-11-24 18:06:04,071 INFO L77 FloydHoareUtils]: At program point L509-4(lines 509 511) the Hoare annotation is: true [2024-11-24 18:06:04,071 INFO L77 FloydHoareUtils]: At program point L509-5(lines 509 511) the Hoare annotation is: true [2024-11-24 18:06:04,071 INFO L77 FloydHoareUtils]: At program point L522(line 522) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~out_len~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~out_len~0#1|)) [2024-11-24 18:06:04,072 INFO L77 FloydHoareUtils]: At program point L522-1(line 522) the Hoare annotation is: (<= |ULTIMATE.start_main_~out_len~0#1| 2147483647) [2024-11-24 18:06:04,072 INFO L77 FloydHoareUtils]: At program point L518(line 518) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~in_len~0#1|)) [2024-11-24 18:06:04,072 INFO L77 FloydHoareUtils]: At program point L518-1(line 518) the Hoare annotation is: (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) [2024-11-24 18:06:04,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:06:04 ImpRootNode [2024-11-24 18:06:04,079 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:06:04,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:06:04,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:06:04,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:06:04,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:03" (3/4) ... [2024-11-24 18:06:04,084 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:06:04,092 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-24 18:06:04,092 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:06:04,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 18:06:04,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:06:04,194 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:06:04,194 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:06:04,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:06:04,198 INFO L158 Benchmark]: Toolchain (without parser) took 2163.87ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 104.7MB in the end (delta: 13.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,198 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.31ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 102.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.59ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,201 INFO L158 Benchmark]: Boogie Preprocessor took 46.32ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,201 INFO L158 Benchmark]: RCFGBuilder took 449.00ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 86.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,202 INFO L158 Benchmark]: CodeCheck took 1005.72ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 109.3MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,203 INFO L158 Benchmark]: Witness Printer took 114.15ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 104.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,205 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 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, 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, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 12 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 522]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 522]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.31ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 102.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.59ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.32ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 449.00ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 86.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1005.72ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 109.3MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.15ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 104.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:06:04,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a203f811-b59d-49fc-b90d-de07f05837ea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE