./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c --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_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/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_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/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_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/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 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:43,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:44,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:01:44,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:01:44,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:01:44,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:44,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:44,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:44,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:44,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:44,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:44,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:44,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:01:44,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:44,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:44,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:44,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:44,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:44,062 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:01:44,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:01:44,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:44,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:44,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:44,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:44,062 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:44,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:44,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:44,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:44,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:44,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:44,063 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:01:44,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:01:44,063 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_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/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 -> 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 [2024-11-13 23:01:44,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:44,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:44,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:44,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:44,431 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:44,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/PastaC9.c Unable to find full path for "g++" [2024-11-13 23:01:46,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:01:46,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:01:46,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2024-11-13 23:01:46,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/data/069efed7a/074f0d516f6d47f98d4d9632a2ffb085/FLAG92c5ee4b6 [2024-11-13 23:01:46,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/data/069efed7a/074f0d516f6d47f98d4d9632a2ffb085 [2024-11-13 23:01:46,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:01:46,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:01:46,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:46,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:01:46,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:01:46,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b24a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46, skipping insertion in model container [2024-11-13 23:01:46,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:01:46,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:46,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:01:46,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:46,894 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:01:46,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46 WrapperNode [2024-11-13 23:01:46,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:46,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:46,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:01:46,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:01:46,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,921 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-13 23:01:46,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:46,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:01:46,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:01:46,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:01:46,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:01:46,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:01:46,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:01:46,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:01:46,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:46" (1/1) ... [2024-11-13 23:01:46,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:01:46,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:01:46,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:01:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:01:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:01:47,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:01:47,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:01:47,212 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 23:01:47,213 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:01:47,251 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:01:47,251 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:01:47,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:47 BoogieIcfgContainer [2024-11-13 23:01:47,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:01:47,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:01:47,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:01:47,266 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:01:47,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:01:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 23:01:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 23:01:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:01:47,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:47,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:47,540 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 23:01:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 23:01:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 23:01:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:01:47,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:47,649 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 23:01:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-13 23:01:47,740 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-13 23:01:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:01:47,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:47,802 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 23:01:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-13 23:01:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-13 23:01:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:01:48,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:48,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:48,090 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 23:01:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-13 23:01:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-13 23:01:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:01:48,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:48,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:01:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:01:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:01:48,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:01:48,632 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 23:01:48,644 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 23:01:48,687 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-13 23:01:48,687 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:01:48,687 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-13 23:01:48,687 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:01:48,690 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:01:48,690 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-13 23:01:48,690 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-13 23:01:48,690 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:01:48,690 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-13 23:01:48,690 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-13 23:01:48,690 INFO L77 FloydHoareUtils]: At program point L14(lines 14 20) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:01:48,691 INFO L77 FloydHoareUtils]: At program point L14-2(lines 12 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:01:48,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:01:48 ImpRootNode [2024-11-13 23:01:48,705 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:01:48,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:01:48,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:01:48,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:01:48,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:47" (3/4) ... [2024-11-13 23:01:48,710 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:01:48,719 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:01:48,720 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:01:48,720 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 23:01:48,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:01:48,814 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:01:48,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:01:48,818 INFO L158 Benchmark]: Toolchain (without parser) took 2122.32ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 101.9MB in the end (delta: 17.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-13 23:01:48,819 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:48,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.08ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 109.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:48,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.11ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:48,822 INFO L158 Benchmark]: Boogie Preprocessor took 16.03ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.7MB in the end (delta: 501.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:48,822 INFO L158 Benchmark]: RCFGBuilder took 312.96ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 97.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:48,823 INFO L158 Benchmark]: CodeCheck took 1452.70ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 106.0MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:48,823 INFO L158 Benchmark]: Witness Printer took 108.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 101.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:48,826 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 43 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 205 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 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 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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: 19]: 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: 12]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.08ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 109.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.11ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.03ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.7MB in the end (delta: 501.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 312.96ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 97.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1452.70ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 106.0MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 101.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:01:48,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af32c5c2-c508-4245-ac7f-bc5ce6b5f90e/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