./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.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_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/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_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/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_ffe44f6f-0ed7-4ff0-8529-909529709785/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 c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:49:25,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:49:25,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:49:25,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:49:25,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:49:25,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:49:25,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:49:25,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:49:25,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:49:25,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:49:25,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:49:25,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:49:25,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:49:25,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:49:25,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:49:25,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:49:25,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:49:25,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:49:25,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:49:25,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:49:25,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:49:25,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:49:25,873 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:49:25,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:49:25,873 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_ffe44f6f-0ed7-4ff0-8529-909529709785/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 -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-11-25 02:49:26,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:49:26,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:49:26,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:49:26,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:49:26,186 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:49:26,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-25 02:49:29,138 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/data/36d11020f/f6fe2bfdbebf48c6a44915c191f10524/FLAG1b2e34bae [2024-11-25 02:49:29,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:49:29,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-25 02:49:29,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/data/36d11020f/f6fe2bfdbebf48c6a44915c191f10524/FLAG1b2e34bae [2024-11-25 02:49:29,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/data/36d11020f/f6fe2bfdbebf48c6a44915c191f10524 [2024-11-25 02:49:29,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:49:29,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:49:29,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:49:29,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:49:29,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:49:29,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590bdbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29, skipping insertion in model container [2024-11-25 02:49:29,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:49:29,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:49:29,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:49:29,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:49:29,627 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:49:29,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29 WrapperNode [2024-11-25 02:49:29,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:49:29,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:49:29,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:49:29,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:49:29,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,662 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-25 02:49:29,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:49:29,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:49:29,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:49:29,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:49:29,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,675 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:49:29,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:49:29,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:49:29,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:49:29,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:49:29,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:49:29,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:49:29,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:49:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-11-25 02:49:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-11-25 02:49:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:49:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:49:29,819 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:49:29,821 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:49:29,901 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-25 02:49:29,902 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:49:29,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:49:29,932 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:49:29,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:29 BoogieIcfgContainer [2024-11-25 02:49:29,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:49:29,933 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:49:29,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:49:29,945 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:49:29,945 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:29" (1/1) ... [2024-11-25 02:49:29,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:49:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 02:49:30,007 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 02:49:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:49:30,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 17 transitions. [2024-11-25 02:49:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 02:49:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:49:30,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 13 transitions. [2024-11-25 02:49:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:49:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:49:30,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:30,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 25 transitions. [2024-11-25 02:49:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-11-25 02:49:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:49:30,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 27 transitions. [2024-11-25 02:49:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-25 02:49:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:49:30,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 10 states and 12 transitions. [2024-11-25 02:49:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 02:49:31,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:49:31,703 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 02:49:31,715 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:49:31,907 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (or (and (<= 1 |foo_#t~post0|) (= |foo_#t~post0| |old(~x~0)|)) (< 2147483647 |foo_#t~post0|)) [2024-11-25 02:49:31,907 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (not (and (<= |foo_#t~post0| 2147483647) (not (= |foo_#t~post0| |old(~x~0)|)))) [2024-11-25 02:49:31,908 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 16) the Hoare annotation is: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) [2024-11-25 02:49:31,908 INFO L77 FloydHoareUtils]: At program point fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) the Hoare annotation is: true [2024-11-25 02:49:31,908 INFO L77 FloydHoareUtils]: At program point fooEXIT(lines 14 16) the Hoare annotation is: true [2024-11-25 02:49:31,908 INFO L75 FloydHoareUtils]: For program point fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-25 02:49:31,908 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:49:31,908 INFO L77 FloydHoareUtils]: At program point L23(lines 23 27) the Hoare annotation is: (<= 1 ~x~0) [2024-11-25 02:49:31,909 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:49:31,909 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (<= 1 ~x~0) [2024-11-25 02:49:31,909 INFO L77 FloydHoareUtils]: At program point L26-1(lines 22 28) the Hoare annotation is: true [2024-11-25 02:49:31,909 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (<= 1 ~x~0) [2024-11-25 02:49:31,936 WARN L162 FloydHoareUtils]: Requires clause for foo contained old-variable. Original clause: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) Eliminated clause: (< 0 ~x~0) [2024-11-25 02:49:31,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:49:31 ImpRootNode [2024-11-25 02:49:31,943 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:49:31,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:49:31,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:49:31,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:49:31,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:29" (3/4) ... [2024-11-25 02:49:31,947 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:49:31,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2024-11-25 02:49:31,954 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-25 02:49:31,954 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:49:31,954 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:49:32,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:49:32,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:49:32,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:49:32,030 INFO L158 Benchmark]: Toolchain (without parser) took 2629.29ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 46.8MB in the end (delta: 46.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-25 02:49:32,030 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:49:32,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.68ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:49:32,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.75ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:49:32,031 INFO L158 Benchmark]: Boogie Preprocessor took 23.20ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.6MB in the end (delta: 404.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:49:32,031 INFO L158 Benchmark]: RCFGBuilder took 245.29ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:49:32,031 INFO L158 Benchmark]: CodeCheck took 2009.77ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 51.2MB in the end (delta: 21.0MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-25 02:49:32,035 INFO L158 Benchmark]: Witness Printer took 84.95ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 46.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:49:32,037 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 58 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 404 GetRequests, 353 SyntacticMatches, 17 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3/6 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for foo Derived contract for procedure foo. Requires: (0 < x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.68ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.75ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.20ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.6MB in the end (delta: 404.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.29ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2009.77ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 51.2MB in the end (delta: 21.0MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 84.95ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 46.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:49:32,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe44f6f-0ed7-4ff0-8529-909529709785/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