./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.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_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 559e107295e09fd2cab38095fb07c9788049644cdf9fb643aef126dd533f8d97 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:20:54,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:20:54,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:20:54,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:20:54,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:20:54,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:20:54,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:20:54,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:20:54,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:20:54,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:20:54,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:20:54,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:20:54,649 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:20:54,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:54,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:20:54,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:20:54,649 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_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 559e107295e09fd2cab38095fb07c9788049644cdf9fb643aef126dd533f8d97 [2024-12-05 23:20:54,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:20:54,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:20:54,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:20:54,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:20:54,887 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:20:54,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2024-12-05 23:20:57,625 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/data/1cd4fc371/83f3f1ceca894430b8f208397d3723c1/FLAGa243328f8 [2024-12-05 23:20:57,967 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:57,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2024-12-05 23:20:57,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/data/1cd4fc371/83f3f1ceca894430b8f208397d3723c1/FLAGa243328f8 [2024-12-05 23:20:58,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/data/1cd4fc371/83f3f1ceca894430b8f208397d3723c1 [2024-12-05 23:20:58,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:58,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:58,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:58,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:58,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:58,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b80f475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58, skipping insertion in model container [2024-12-05 23:20:58,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:58,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:58,605 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:58,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:58,679 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:58,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58 WrapperNode [2024-12-05 23:20:58,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:58,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:58,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:58,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:58,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,722 INFO L138 Inliner]: procedures = 111, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-12-05 23:20:58,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:58,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:58,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:58,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:58,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:58,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:58,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:58,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:58,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:58" (1/1) ... [2024-12-05 23:20:58,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:58,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:20:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:20:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:20:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:20:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:58,927 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:58,929 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:59,083 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-05 23:20:59,083 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:59,140 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:20:59,141 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:20:59,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:59 BoogieIcfgContainer [2024-12-05 23:20:59,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:20:59,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:20:59,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:20:59,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:20:59,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:59" (1/1) ... [2024-12-05 23:20:59,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:20:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:59,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-05 23:20:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-05 23:20:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:20:59,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:59,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-05 23:20:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-05 23:20:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:20:59,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:59,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-05 23:20:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-05 23:20:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:20:59,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 23:21:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 23:21:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:21:00,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:00,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:21:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 23:21:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 23:21:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:21:00,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:00,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:21:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 23:21:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 23:21:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:21:01,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:01,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:21:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-05 23:21:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-05 23:21:01,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:21:01,799 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-05 23:21:01,808 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-12-05 23:21:01,862 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-12-05 23:21:01,863 INFO L77 FloydHoareUtils]: At program point L572(line 572) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-12-05 23:21:01,863 INFO L77 FloydHoareUtils]: At program point L572-1(line 572) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-12-05 23:21:01,863 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 556 576) the Hoare annotation is: true [2024-12-05 23:21:01,863 INFO L77 FloydHoareUtils]: At program point L552(lines 552 553) the Hoare annotation is: true [2024-12-05 23:21:01,863 INFO L77 FloydHoareUtils]: At program point L552-1(lines 552 553) the Hoare annotation is: true [2024-12-05 23:21:01,863 INFO L77 FloydHoareUtils]: At program point L552-3(lines 552 553) the Hoare annotation is: true [2024-12-05 23:21:01,863 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 569) no Hoare annotation was computed. [2024-12-05 23:21:01,864 INFO L77 FloydHoareUtils]: At program point L573(line 573) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-12-05 23:21:01,864 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-12-05 23:21:01,864 INFO L77 FloydHoareUtils]: At program point L573-1(line 573) the Hoare annotation is: (< |ULTIMATE.start_main_~length3~0#1| 2147483648) [2024-12-05 23:21:01,864 INFO L77 FloydHoareUtils]: At program point L569(line 569) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (< |ULTIMATE.start_main_~length2~0#1| (+ 2147483647 |ULTIMATE.start_main_~length3~0#1|)) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-12-05 23:21:01,864 INFO L77 FloydHoareUtils]: At program point L569-1(line 569) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-12-05 23:21:01,864 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 569) no Hoare annotation was computed. [2024-12-05 23:21:01,864 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:21:01,865 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-12-05 23:21:01,865 INFO L77 FloydHoareUtils]: At program point L566-1(lines 566 568) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length3~0#1| (+ |ULTIMATE.start_main_~length2~0#1| 2147483646)) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (< |ULTIMATE.start_main_~length2~0#1| (+ 2147483647 |ULTIMATE.start_main_~length3~0#1|)) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-12-05 23:21:01,865 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:21:01,865 INFO L77 FloydHoareUtils]: At program point L550-1(lines 550 551) the Hoare annotation is: true [2024-12-05 23:21:01,865 INFO L77 FloydHoareUtils]: At program point L550-4(lines 550 551) the Hoare annotation is: true [2024-12-05 23:21:01,865 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-12-05 23:21:01,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:21:01 ImpRootNode [2024-12-05 23:21:01,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:21:01,876 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:21:01,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:21:01,877 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:21:01,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:59" (3/4) ... [2024-12-05 23:21:01,879 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:21:01,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 23:21:01,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:21:01,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:21:01,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:21:01,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:21:01,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:21:01,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:21:01,958 INFO L158 Benchmark]: Toolchain (without parser) took 3694.44ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 91.2MB in the beginning and 170.7MB in the end (delta: -79.5MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-12-05 23:21:01,959 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:01,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.40ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 74.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:21:01,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.00ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:01,960 INFO L158 Benchmark]: Boogie Preprocessor took 28.57ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.2MB in the end (delta: 924.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:01,960 INFO L158 Benchmark]: RCFGBuilder took 388.84ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 56.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:21:01,960 INFO L158 Benchmark]: CodeCheck took 2733.89ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 33.8MB in the end (delta: 23.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-05 23:21:01,961 INFO L158 Benchmark]: Witness Printer took 80.74ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 33.8MB in the beginning and 170.7MB in the end (delta: -136.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-12-05 23:21:01,962 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: 2.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 0 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1898 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 569]: 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: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: 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 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.40ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 74.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.00ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.57ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.2MB in the end (delta: 924.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.84ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 56.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2733.89ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 33.8MB in the end (delta: 23.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 80.74ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 33.8MB in the beginning and 170.7MB in the end (delta: -136.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:21:01,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af4f140-a15f-4c37-8b0e-b5f966e506ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE