./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo.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_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dea5ef24f0f7de819f347b3388a482de77217d2927aeb32fc1f275b172d84ce8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:02:52,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:02:52,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:02:52,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:02:52,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:02:52,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:02:52,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:02:52,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:02:52,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:02:52,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:02:52,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:02:52,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:02:52,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:02:52,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:02:52,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:02:52,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:02:52,141 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_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dea5ef24f0f7de819f347b3388a482de77217d2927aeb32fc1f275b172d84ce8 [2024-12-06 00:02:52,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:02:52,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:02:52,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:02:52,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:02:52,392 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:02:52,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted/Cairo.c [2024-12-06 00:02:55,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/data/3361d0996/bc65a5cb5a0c458b93e7f3ff622a3758/FLAGadc22282c [2024-12-06 00:02:55,194 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:02:55,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/sv-benchmarks/c/termination-crafted/Cairo.c [2024-12-06 00:02:55,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/data/3361d0996/bc65a5cb5a0c458b93e7f3ff622a3758/FLAGadc22282c [2024-12-06 00:02:55,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/data/3361d0996/bc65a5cb5a0c458b93e7f3ff622a3758 [2024-12-06 00:02:55,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:02:55,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:02:55,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:02:55,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:02:55,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:02:55,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208031e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55, skipping insertion in model container [2024-12-06 00:02:55,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:02:55,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:02:55,349 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:02:55,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:02:55,368 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:02:55,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55 WrapperNode [2024-12-06 00:02:55,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:02:55,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:02:55,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:02:55,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:02:55,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,388 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-12-06 00:02:55,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:02:55,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:02:55,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:02:55,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:02:55,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,396 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:02:55,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:02:55,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:02:55,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:02:55,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:02:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:02:55,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:02:55,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:02:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:02:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:02:55,508 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:02:55,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:02:55,563 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 00:02:55,563 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:02:55,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:02:55,582 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:02:55,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:02:55 BoogieIcfgContainer [2024-12-06 00:02:55,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:02:55,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:02:55,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:02:55,592 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:02:55,592 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:02:55" (1/1) ... [2024-12-06 00:02:55,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:02:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-06 00:02:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-06 00:02:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:02:55,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:02:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:02:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:02:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 00:02:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 00:02:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:02:55,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:02:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:02:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:02:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 00:02:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 00:02:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:02:55,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:02:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:02:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:02:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:02:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:02:56,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:02:56,027 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 00:02:56,035 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 00:02:56,088 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-12-06 00:02:56,088 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:02:56,088 INFO L77 FloydHoareUtils]: At program point L21-1(lines 21 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 00:02:56,088 INFO L77 FloydHoareUtils]: At program point L21-3(lines 21 23) the Hoare annotation is: (or (and (< |ULTIMATE.start_main_~x~0#1| 1) (<= 0 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|))) [2024-12-06 00:02:56,089 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:02:56,089 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-12-06 00:02:56,089 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 00:02:56,089 INFO L77 FloydHoareUtils]: At program point L20(lines 20 24) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-06 00:02:56,089 INFO L77 FloydHoareUtils]: At program point L20-1(lines 20 24) the Hoare annotation is: true [2024-12-06 00:02:56,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:02:56 ImpRootNode [2024-12-06 00:02:56,100 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:02:56,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:02:56,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:02:56,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:02:56,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:02:55" (3/4) ... [2024-12-06 00:02:56,104 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:02:56,109 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 00:02:56,109 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 00:02:56,109 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 00:02:56,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:02:56,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:02:56,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:02:56,177 INFO L158 Benchmark]: Toolchain (without parser) took 958.44ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 69.3MB in the end (delta: 48.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,177 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.51ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.10ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 985.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,178 INFO L158 Benchmark]: Boogie Preprocessor took 13.25ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.7MB in the end (delta: 557.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,178 INFO L158 Benchmark]: RCFGBuilder took 179.86ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 96.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,179 INFO L158 Benchmark]: CodeCheck took 516.51ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 73.4MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,179 INFO L158 Benchmark]: Witness Printer took 75.48ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 69.3MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,180 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 6 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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: 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 2 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((x < 1) && (0 <= x)) || ((x <= 2147483647) && (1 <= x))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.51ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.10ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 985.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.25ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.7MB in the end (delta: 557.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 179.86ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 96.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 516.51ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 73.4MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 75.48ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 69.3MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:02:56,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2086f2-e646-47c5-9e19-8055e7356c93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE