./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i --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_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81242885777c4393c04c5476f1b6fd444015153a4c531a694fafb6a2f2b53954 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:59,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:59,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:05:59,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:05:59,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:05:59,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:59,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:59,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:59,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:59,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:59,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:59,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:59,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:05:59,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:59,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:59,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:59,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:59,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:05:59,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:05:59,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:59,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:59,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:59,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:59,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:59,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:59,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:59,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:59,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:59,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:59,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:59,614 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:05:59,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:05:59,614 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_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81242885777c4393c04c5476f1b6fd444015153a4c531a694fafb6a2f2b53954 [2024-11-24 18:05:59,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:59,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:59,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:59,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:59,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:59,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i [2024-11-24 18:06:02,905 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/data/91eee0e0e/628aa273d5f94396a8c54c69dc7caf67/FLAG28e357ee8 [2024-11-24 18:06:03,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:03,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i [2024-11-24 18:06:03,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/data/91eee0e0e/628aa273d5f94396a8c54c69dc7caf67/FLAG28e357ee8 [2024-11-24 18:06:03,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/data/91eee0e0e/628aa273d5f94396a8c54c69dc7caf67 [2024-11-24 18:06:03,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:03,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:03,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:03,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:03,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:03,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58347240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03, skipping insertion in model container [2024-11-24 18:06:03,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:03,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:03,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:03,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:03,743 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:03,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03 WrapperNode [2024-11-24 18:06:03,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:03,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:03,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:03,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:03,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,779 INFO L138 Inliner]: procedures = 110, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-24 18:06:03,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:03,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:03,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:03,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:03,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,797 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:03,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:03,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:03,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:03,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03" (1/1) ... [2024-11-24 18:06:03,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:03,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:03,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:06:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:06:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:06:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:03,973 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:03,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:04,055 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:04,055 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:04,079 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:04,079 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:06:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:04 BoogieIcfgContainer [2024-11-24 18:06:04,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:04,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:04,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:04,093 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:04,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:04" (1/1) ... [2024-11-24 18:06:04,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-24 18:06:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-24 18:06:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:06:04,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:04,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-24 18:06:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-24 18:06:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:06:04,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:04,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-24 18:06:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-24 18:06:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:06:05,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:06:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-24 18:06:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-24 18:06:05,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:06:05,673 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-24 18:06:05,684 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-24 18:06:05,838 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 553) no Hoare annotation was computed. [2024-11-24 18:06:05,839 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:06:05,839 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:06:05,840 INFO L77 FloydHoareUtils]: At program point L552(lines 552 554) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (let ((.cse1 (+ .cse0 2147483648))) (or (and (<= |ULTIMATE.start_main_#t~mem5#1| .cse0) (< .cse1 0)) (and (<= 0 .cse1) (<= .cse0 10))))) [2024-11-24 18:06:05,841 INFO L77 FloydHoareUtils]: At program point L552-2(lines 551 555) the Hoare annotation is: true [2024-11-24 18:06:05,841 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 553) no Hoare annotation was computed. [2024-11-24 18:06:05,843 INFO L77 FloydHoareUtils]: At program point L553(line 553) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem6#1| 10) (<= 0 (+ |ULTIMATE.start_main_#t~mem6#1| 2147483648))) [2024-11-24 18:06:05,845 INFO L77 FloydHoareUtils]: At program point L553-1(line 553) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem6#1| 10) [2024-11-24 18:06:05,845 INFO L77 FloydHoareUtils]: At program point L551-1(lines 551 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (or (= |ULTIMATE.start_main_#t~mem4#1| .cse0) (and (<= 0 (+ .cse0 2147483648)) (<= .cse0 |ULTIMATE.start_main_#t~mem4#1|)))) [2024-11-24 18:06:05,845 INFO L77 FloydHoareUtils]: At program point L551-4(lines 551 555) the Hoare annotation is: true [2024-11-24 18:06:05,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:06:05 ImpRootNode [2024-11-24 18:06:05,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:06:05,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:06:05,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:06:05,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:06:05,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:04" (3/4) ... [2024-11-24 18:06:05,862 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:06:05,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 18:06:05,871 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:06:05,871 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 18:06:05,871 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 18:06:05,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:06:05,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:06:05,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:06:05,959 INFO L158 Benchmark]: Toolchain (without parser) took 2664.77ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 39.2MB in the end (delta: 52.4MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-24 18:06:05,961 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:05,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.31ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 75.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:05,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.18ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:05,962 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.4MB in the end (delta: 746.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:05,962 INFO L158 Benchmark]: RCFGBuilder took 268.58ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 63.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:05,963 INFO L158 Benchmark]: CodeCheck took 1776.90ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 43.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:05,963 INFO L158 Benchmark]: Witness Printer took 99.17ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 39.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:05,967 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 6 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.31ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 75.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.18ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.4MB in the end (delta: 746.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.58ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 63.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1776.90ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 43.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 99.17ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 39.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:06:05,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa01ee-e346-4a4d-8d4e-fecc69d84cd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE