./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.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_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/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_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/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_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/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 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:45,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:45,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:36:45,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:36:45,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:36:45,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:45,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:45,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:45,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:45,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:45,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:36:45,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:45,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:45,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:45,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:45,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:45,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:45,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:45,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:45,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:45,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:45,351 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:36:45,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:36:45,351 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_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/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 -> 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d [2024-11-13 20:36:45,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:45,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:45,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:45,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:45,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:45,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i Unable to find full path for "g++" [2024-11-13 20:36:47,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:47,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:47,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2024-11-13 20:36:47,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/data/4514bc1db/c823d9d251464abe8a9daa291b1cf64e/FLAGa6c587779 [2024-11-13 20:36:47,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/data/4514bc1db/c823d9d251464abe8a9daa291b1cf64e [2024-11-13 20:36:47,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:47,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:47,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:47,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:47,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:47,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:47" (1/1) ... [2024-11-13 20:36:47,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c917fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:47, skipping insertion in model container [2024-11-13 20:36:47,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:47" (1/1) ... [2024-11-13 20:36:48,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:48,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:48,369 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:48,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:48,427 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:48,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48 WrapperNode [2024-11-13 20:36:48,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:48,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:48,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:48,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:48,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,472 INFO L138 Inliner]: procedures = 111, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-13 20:36:48,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:48,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:48,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:48,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:48,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:48,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:48,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:48,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:48,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:48" (1/1) ... [2024-11-13 20:36:48,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:48,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:48,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:48,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:36:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:36:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:36:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:36:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:48,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:48,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:36:48,900 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:36:48,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:49,013 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:49,014 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:36:49,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:49 BoogieIcfgContainer [2024-11-13 20:36:49,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:49,015 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:49,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:49,028 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:49,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:49" (1/1) ... [2024-11-13 20:36:49,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 20:36:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 20:36:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:36:49,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:49,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:49,753 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 20:36:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 20:36:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 20:36:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:36:49,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:49,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:50,153 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 20:36:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 20:36:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 20:36:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:36:50,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:50,365 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 20:36:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 20:36:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 20:36:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:36:50,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:50,567 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 20:36:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 20:36:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 20:36:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:36:51,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:51,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:51,443 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 20:36:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 20:36:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 20:36:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:36:52,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:52,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:36:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-13 20:36:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-13 20:36:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:36:56,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:56,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 20:36:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-13 20:36:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-13 20:36:58,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:36:58,694 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 20:36:58,701 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 20:36:59,626 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2024-11-13 20:36:59,627 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:36:59,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-13 20:36:59,628 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_test_fun_#t~mem12#1|) (<= |ULTIMATE.start_test_fun_#t~mem12#1| 2147483647)) (and (< |ULTIMATE.start_test_fun_#t~mem12#1| 2147483649) (< 2147483647 |ULTIMATE.start_test_fun_#t~mem12#1|))) [2024-11-13 20:36:59,629 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (< |ULTIMATE.start_test_fun_#t~mem12#1| 2147483649) [2024-11-13 20:36:59,629 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:36:59,630 INFO L77 FloydHoareUtils]: At program point L554-7(lines 554 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse1 (not |ULTIMATE.start_test_fun_#t~short11#1|)) (.cse2 (select (select |#memory_int| |ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|))) (and (or (and (= .cse0 2147483648) (= |ULTIMATE.start_test_fun_~x_ref~0#1.base| |ULTIMATE.start_test_fun_~tmp_ref~0#1.base|)) (< .cse0 2147483648)) (or .cse1 (< .cse2 1073741824)) (or .cse1 (< 0 .cse0)) (or .cse1 (< 0 (+ 1 .cse2))))) [2024-11-13 20:36:59,630 INFO L77 FloydHoareUtils]: At program point L554-9(lines 554 558) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|))) (or (not |ULTIMATE.start_test_fun_#t~short11#1|) (and (< .cse0 2147483649) (< 2147483647 .cse0)) (and (<= 1 .cse0) (<= .cse0 2147483647)))) [2024-11-13 20:36:59,630 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2024-11-13 20:36:59,630 INFO L77 FloydHoareUtils]: At program point L554-11(lines 554 558) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|))) (or (and (= .cse0 2147483648) (= |ULTIMATE.start_test_fun_~x_ref~0#1.base| |ULTIMATE.start_test_fun_~tmp_ref~0#1.base|)) (< .cse0 2147483648))) [2024-11-13 20:36:59,630 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-13 20:36:59,630 INFO L77 FloydHoareUtils]: At program point L554-12(lines 554 558) the Hoare annotation is: true [2024-11-13 20:36:59,631 INFO L77 FloydHoareUtils]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_test_fun_#t~mem10#1| 1073741823)) (.cse1 (<= 0 |ULTIMATE.start_test_fun_#t~mem10#1|)) (.cse2 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|))) (or (and .cse0 .cse1 (<= 1 .cse2) (<= .cse2 2147483645)) (and .cse0 .cse1 (< .cse2 2147483649) (< 2147483645 .cse2)))) [2024-11-13 20:36:59,631 INFO L77 FloydHoareUtils]: At program point L555-1(line 555) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_test_fun_#t~mem10#1| 1073741823)) (.cse1 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|))) (or (and .cse0 (< .cse1 2147483649) (< 2147483645 .cse1)) (and .cse0 (<= 1 .cse1) (<= .cse1 2147483645)))) [2024-11-13 20:36:59,641 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 20:36:59,642 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 20:36:59,642 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-13 20:36:59,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x_ref~0!base [2024-11-13 20:36:59,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~tmp_ref~0!base [2024-11-13 20:36:59,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 20:36:59,644 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 20:36:59,644 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-13 20:36:59,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:36:59 ImpRootNode [2024-11-13 20:36:59,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:36:59,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:36:59,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:36:59,646 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:36:59,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:49" (3/4) ... [2024-11-13 20:36:59,649 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:36:59,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 20:36:59,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 20:36:59,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 20:36:59,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:36:59,758 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:36:59,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:36:59,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:36:59,762 INFO L158 Benchmark]: Toolchain (without parser) took 11786.74ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 118.4MB in the beginning and 109.2MB in the end (delta: 9.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-13 20:36:59,762 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:59,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.96ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 102.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:36:59,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.29ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:59,763 INFO L158 Benchmark]: Boogie Preprocessor took 36.56ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:59,763 INFO L158 Benchmark]: RCFGBuilder took 504.55ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 84.0MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:59,764 INFO L158 Benchmark]: CodeCheck took 10630.13ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 84.0MB in the beginning and 114.5MB in the end (delta: -30.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 20:36:59,764 INFO L158 Benchmark]: Witness Printer took 113.21ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 109.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:59,767 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 180 mSolverCounterUnsat, 17 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 573 GetRequests, 427 SyntacticMatches, 4 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8868 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 21/28 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: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: 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 0.28ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.96ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 102.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.29ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.56ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.55ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 84.0MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10630.13ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 84.0MB in the beginning and 114.5MB in the end (delta: -30.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 113.21ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 109.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x_ref~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~tmp_ref~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-13 20:36:59,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c31d63-cd9d-4a79-a9c0-5f24d12fa2d9/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