./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c --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_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a8c97e87f793b5839cb424b8cc5fefc3a9d4b8a56c80aade72a0ae572eae02d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:31:50,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:31:51,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:31:51,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:31:51,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:31:51,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:31:51,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:31:51,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:31:51,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:31:51,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:31:51,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:31:51,153 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:31:51,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:31:51,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:31:51,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:31:51,154 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:31:51,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:31:51,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:51,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:31:51,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:31:51,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:31:51,155 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:31:51,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:31:51,155 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_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a8c97e87f793b5839cb424b8cc5fefc3a9d4b8a56c80aade72a0ae572eae02d [2024-11-25 02:31:51,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:31:51,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:31:51,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:31:51,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:31:51,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:31:51,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c [2024-11-25 02:31:54,568 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/data/38ea5fd6f/03df7f9a89464840bb5b2d8c90d587f0/FLAGedc48c0aa [2024-11-25 02:31:54,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:31:54,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c [2024-11-25 02:31:54,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/data/38ea5fd6f/03df7f9a89464840bb5b2d8c90d587f0/FLAGedc48c0aa [2024-11-25 02:31:55,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/data/38ea5fd6f/03df7f9a89464840bb5b2d8c90d587f0 [2024-11-25 02:31:55,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:31:55,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:31:55,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:55,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:31:55,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:31:55,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28b34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55, skipping insertion in model container [2024-11-25 02:31:55,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:31:55,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:55,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:31:55,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:55,387 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:31:55,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55 WrapperNode [2024-11-25 02:31:55,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:55,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:55,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:31:55,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:31:55,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,419 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-25 02:31:55,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:55,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:31:55,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:31:55,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:31:55,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:31:55,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:31:55,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:31:55,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:31:55,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:31:55,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:31:55,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:31:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:31:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:31:55,584 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:31:55,586 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:31:55,685 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 02:31:55,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:31:55,715 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:31:55,716 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:31:55,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:55 BoogieIcfgContainer [2024-11-25 02:31:55,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:31:55,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:31:55,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:31:55,727 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:31:55,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:31:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 02:31:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 02:31:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:31:55,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 02:31:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 02:31:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:31:56,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 02:31:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:31:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:31:56,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-11-25 02:31:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-11-25 02:31:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:31:56,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-11-25 02:31:56,966 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-11-25 02:31:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:31:56,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:31:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-25 02:31:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-25 02:31:57,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:31:57,221 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 02:31:57,232 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:31:57,301 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-25 02:31:57,302 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:31:57,302 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-25 02:31:57,302 INFO L77 FloydHoareUtils]: At program point L21(lines 21 23) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-25 02:31:57,302 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-25 02:31:57,303 INFO L77 FloydHoareUtils]: At program point L21-2(lines 17 25) the Hoare annotation is: (<= |ULTIMATE.start_main_~q~0#1| 2147483647) [2024-11-25 02:31:57,303 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: (<= |ULTIMATE.start_main_~q~0#1| 2147483647) [2024-11-25 02:31:57,306 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 25) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-25 02:31:57,306 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:31:57,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-25 02:31:57,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-25 02:31:57,306 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-25 02:31:57,306 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-25 02:31:57,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:31:57 ImpRootNode [2024-11-25 02:31:57,318 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:31:57,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:31:57,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:31:57,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:31:57,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:55" (3/4) ... [2024-11-25 02:31:57,323 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:31:57,329 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 02:31:57,331 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:31:57,332 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:31:57,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:31:57,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:31:57,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:31:57,412 INFO L158 Benchmark]: Toolchain (without parser) took 2256.89ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 69.3MB in the end (delta: 25.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-25 02:31:57,412 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:57,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.97ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 84.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:57,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.77ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 83.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:57,414 INFO L158 Benchmark]: Boogie Preprocessor took 19.78ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 83.1MB in the end (delta: 678.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:57,414 INFO L158 Benchmark]: RCFGBuilder took 274.07ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 73.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:57,414 INFO L158 Benchmark]: CodeCheck took 1601.26ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 73.6MB in the end (delta: -592.5kB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-25 02:31:57,415 INFO L158 Benchmark]: Witness Printer took 91.91ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 69.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:57,417 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 20 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 247 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (q <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.97ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 84.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.77ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 83.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.78ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 83.1MB in the end (delta: 678.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.07ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 73.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1601.26ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 73.6MB in the end (delta: -592.5kB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 91.91ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 69.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:31:57,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82792086-e0b2-43df-aa4c-9893e5e6910f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE