./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm --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 b49f3330156f5f80616a8ed1e7cf6e923644f57628dbe3e9e5b48b44602ac1db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:46,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:46,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:05:46,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:05:46,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:05:46,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:46,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:46,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:46,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:46,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:46,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:46,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:46,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:05:46,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:46,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:46,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:46,539 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:46,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:46,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:46,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:46,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:46,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:46,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:46,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:05:46,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:05:46,540 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_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm 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 -> b49f3330156f5f80616a8ed1e7cf6e923644f57628dbe3e9e5b48b44602ac1db [2024-11-13 22:05:46,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:46,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:46,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:46,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:46,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:46,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i Unable to find full path for "g++" [2024-11-13 22:05:49,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:49,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:49,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i [2024-11-13 22:05:49,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/data/df4bf5005/651847fcda0348eaa6a516a32dd4713b/FLAG8c27ca068 [2024-11-13 22:05:49,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/data/df4bf5005/651847fcda0348eaa6a516a32dd4713b [2024-11-13 22:05:49,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:49,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:49,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:49,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:49,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:49,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:49" (1/1) ... [2024-11-13 22:05:49,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45808e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:49, skipping insertion in model container [2024-11-13 22:05:49,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:49" (1/1) ... [2024-11-13 22:05:49,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:50,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:50,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:50,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:50,273 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:50,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50 WrapperNode [2024-11-13 22:05:50,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:50,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:50,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:50,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:50,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,315 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-13 22:05:50,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:50,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:50,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:50,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:50,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:50,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:50,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:50,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:50,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:50" (1/1) ... [2024-11-13 22:05:50,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:50,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:50,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:50,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:05:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:50,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:50,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:50,942 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:50,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:51,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:51,002 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:05:51,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:51 BoogieIcfgContainer [2024-11-13 22:05:51,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:51,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:51,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:51,021 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:51,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:51" (1/1) ... [2024-11-13 22:05:51,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-13 22:05:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 22:05:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:05:51,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:51,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 22:05:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 22:05:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:05:51,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:51,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:05:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:05:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:05:51,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 22:05:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 22:05:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:05:52,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:52,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 22:05:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 22:05:52,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:05:52,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:52,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:52,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 22:05:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 22:05:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:05:52,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:52,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:05:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:05:52,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:05:52,945 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:05:52,956 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-13 22:05:53,007 INFO L77 FloydHoareUtils]: At program point cstrncmp_returnLabel#1(lines 547 559) the Hoare annotation is: true [2024-11-13 22:05:53,012 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-13 22:05:53,012 INFO L77 FloydHoareUtils]: At program point L572(line 572) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 22:05:53,013 INFO L77 FloydHoareUtils]: At program point L572-1(line 572) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-13 22:05:53,013 INFO L77 FloydHoareUtils]: At program point L552-1(lines 552 557) the Hoare annotation is: true [2024-11-13 22:05:53,013 INFO L77 FloydHoareUtils]: At program point L552-3(lines 552 557) the Hoare annotation is: true [2024-11-13 22:05:53,013 INFO L77 FloydHoareUtils]: At program point L552-4(lines 552 557) the Hoare annotation is: true [2024-11-13 22:05:53,013 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-13 22:05:53,014 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2024-11-13 22:05:53,014 INFO L77 FloydHoareUtils]: At program point L553(lines 553 554) the Hoare annotation is: true [2024-11-13 22:05:53,014 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-13 22:05:53,014 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:05:53,014 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2024-11-13 22:05:53,014 INFO L77 FloydHoareUtils]: At program point L554(line 554) the Hoare annotation is: true [2024-11-13 22:05:53,015 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:05:53,015 INFO L77 FloydHoareUtils]: At program point L554-1(line 554) the Hoare annotation is: true [2024-11-13 22:05:53,015 INFO L77 FloydHoareUtils]: At program point L550(lines 550 551) the Hoare annotation is: true [2024-11-13 22:05:53,015 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-13 22:05:53,015 INFO L77 FloydHoareUtils]: At program point L571(line 571) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 22:05:53,015 INFO L77 FloydHoareUtils]: At program point L571-1(line 571) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 22:05:53,015 INFO L77 FloydHoareUtils]: At program point L555(lines 555 556) the Hoare annotation is: true [2024-11-13 22:05:53,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:53 ImpRootNode [2024-11-13 22:05:53,029 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:53,030 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:53,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:53,032 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:53,033 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:51" (3/4) ... [2024-11-13 22:05:53,036 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:05:53,045 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 22:05:53,045 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:05:53,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:05:53,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:05:53,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:05:53,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:05:53,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:53,143 INFO L158 Benchmark]: Toolchain (without parser) took 3434.24ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 39.3MB in the end (delta: 52.7MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:53,143 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:53,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.61ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 75.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:53,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.13ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:53,145 INFO L158 Benchmark]: Boogie Preprocessor took 28.35ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.9MB in the end (delta: 897.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:53,145 INFO L158 Benchmark]: RCFGBuilder took 657.11ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 57.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:53,146 INFO L158 Benchmark]: CodeCheck took 2022.78ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 43.8MB in the end (delta: 13.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:53,148 INFO L158 Benchmark]: Witness Printer took 111.33ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 39.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:53,151 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, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 15 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: 571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.61ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 75.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.13ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.35ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.9MB in the end (delta: 897.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 657.11ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 57.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2022.78ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 43.8MB in the end (delta: 13.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 111.33ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 39.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:05:53,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c870fcd-fa18-4314-bae4-545c5eea3b98/bin/ukojak-verify-EEHR8qb7sm/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