./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex06.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_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/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_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/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_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/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 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:53:44,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:53:44,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:53:44,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:53:44,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:53:44,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:53:44,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:53:44,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:53:44,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:53:44,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:53:44,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:53:44,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:53:44,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:53:44,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:53:44,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:53:44,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:53:44,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:53:44,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:53:44,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:53:44,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:53:44,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:53:44,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:53:44,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:53:44,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:53:44,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:53:44,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:53:44,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:44,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:53:44,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:53:44,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:53:44,571 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:53:44,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:53:44,572 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_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/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 -> 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 [2024-11-13 20:53:44,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:53:44,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:53:44,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:53:44,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:53:44,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:53:44,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/Ex06.c Unable to find full path for "g++" [2024-11-13 20:53:46,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:53:47,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:53:47,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/sv-benchmarks/c/termination-restricted-15/Ex06.c [2024-11-13 20:53:47,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/data/1f91dc9d0/726e23064cec443b9f42377f1c912e13/FLAG84bd67bd9 [2024-11-13 20:53:47,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/data/1f91dc9d0/726e23064cec443b9f42377f1c912e13 [2024-11-13 20:53:47,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:53:47,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:53:47,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:47,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:53:47,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:53:47,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604fb9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47, skipping insertion in model container [2024-11-13 20:53:47,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:53:47,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:47,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:53:47,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:47,567 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:53:47,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47 WrapperNode [2024-11-13 20:53:47,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:47,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:47,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:53:47,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:53:47,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,592 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-13 20:53:47,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:47,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:53:47,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:53:47,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:53:47,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:47,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:47,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:47,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:47,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:47,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:47,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:47,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:47,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:47,894 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:47,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:47,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:47,942 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:53:47,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:47 BoogieIcfgContainer [2024-11-13 20:53:47,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:47,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:47,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:47,964 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:47,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:47" (1/1) ... [2024-11-13 20:53:47,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 20:53:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 20:53:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:53:48,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:48,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,242 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 20:53:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 20:53:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 20:53:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:53:48,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:48,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,354 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 20:53:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 20:53:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 20:53:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:53:48,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:48,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,462 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 20:53:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 20:53:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 20:53:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:53:48,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:48,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,665 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 20:53:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-11-13 20:53:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-11-13 20:53:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:53:48,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:48,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,959 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 20:53:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-13 20:53:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-13 20:53:49,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:53:49,141 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 20:53:49,154 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 20:53:49,200 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-13 20:53:49,200 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:53:49,200 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-11-13 20:53:49,200 INFO L77 FloydHoareUtils]: At program point L13-1(lines 9 16) the Hoare annotation is: true [2024-11-13 20:53:49,200 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) [2024-11-13 20:53:49,200 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) [2024-11-13 20:53:49,201 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:53:49,201 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-13 20:53:49,201 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-11-13 20:53:49,201 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 5)) [2024-11-13 20:53:49,201 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 5) [2024-11-13 20:53:49,201 INFO L77 FloydHoareUtils]: At program point L10(lines 10 12) the Hoare annotation is: (and (<= 0 (+ 5 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 5)) [2024-11-13 20:53:49,201 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 16) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-11-13 20:53:49,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:53:49 ImpRootNode [2024-11-13 20:53:49,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:53:49,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:53:49,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:53:49,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:53:49,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:47" (3/4) ... [2024-11-13 20:53:49,218 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:53:49,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:53:49,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:53:49,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 20:53:49,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:53:49,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:53:49,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:53:49,314 INFO L158 Benchmark]: Toolchain (without parser) took 2009.46ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 106.5MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-13 20:53:49,314 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:49,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.49ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:49,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.68ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 823.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:49,315 INFO L158 Benchmark]: Boogie Preprocessor took 17.84ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.2MB in the end (delta: 563.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:49,316 INFO L158 Benchmark]: RCFGBuilder took 333.74ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 97.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:49,316 INFO L158 Benchmark]: CodeCheck took 1267.79ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 110.5MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:49,317 INFO L158 Benchmark]: Witness Printer took 95.42ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 106.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:49,319 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: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 15 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s 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, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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 1.73ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.49ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.68ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 823.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.84ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.2MB in the end (delta: 563.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.74ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 97.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1267.79ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 110.5MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.42ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 106.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:53:49,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfcbad4-021a-4daf-b4d0-eac1fafd42c7/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