./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex2.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_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/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_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/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_8ec105bf-9116-4f0d-8295-9e6a20c38c84/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 39d6eb22cab137d4319a78f6cac37de45be9d3d744abdb759734fea0c4fce000 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:29:41,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:29:41,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:29:41,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:29:41,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:29:41,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:29:41,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:29:41,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:29:41,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:29:41,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:29:41,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:29:41,526 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:29:41,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:29:41,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:29:41,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:29:41,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:29:41,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:29:41,527 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:29:41,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:29:41,527 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_8ec105bf-9116-4f0d-8295-9e6a20c38c84/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 -> 39d6eb22cab137d4319a78f6cac37de45be9d3d744abdb759734fea0c4fce000 [2024-12-06 05:29:41,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:29:41,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:29:41,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:29:41,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:29:41,767 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:29:41,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex2.c [2024-12-06 05:29:44,366 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/data/0755185f5/18e399af320045eb9ed82273ea7753fe/FLAGb7bb1c355 [2024-12-06 05:29:44,556 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:29:44,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex2.c [2024-12-06 05:29:44,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/data/0755185f5/18e399af320045eb9ed82273ea7753fe/FLAGb7bb1c355 [2024-12-06 05:29:44,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/data/0755185f5/18e399af320045eb9ed82273ea7753fe [2024-12-06 05:29:44,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:29:44,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:29:44,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:29:44,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:29:44,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:29:44,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:29:44" (1/1) ... [2024-12-06 05:29:44,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df1ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:44, skipping insertion in model container [2024-12-06 05:29:44,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:29:44" (1/1) ... [2024-12-06 05:29:44,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:29:45,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:29:45,086 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:29:45,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:29:45,110 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:29:45,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45 WrapperNode [2024-12-06 05:29:45,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:29:45,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:29:45,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:29:45,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:29:45,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,134 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-12-06 05:29:45,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:29:45,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:29:45,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:29:45,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:29:45,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:29:45,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:29:45,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:29:45,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:29:45,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:29:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:29:45,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:29:45,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:29:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:29:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:29:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-12-06 05:29:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-12-06 05:29:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:29:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:29:45,251 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:29:45,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:29:45,354 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 05:29:45,354 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:29:45,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:29:45,370 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:29:45,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:45 BoogieIcfgContainer [2024-12-06 05:29:45,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:29:45,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:29:45,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:29:45,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:29:45,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:45" (1/1) ... [2024-12-06 05:29:45,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:29:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2024-12-06 05:29:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-12-06 05:29:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:29:45,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:29:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:45,569 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 05:29:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 30 transitions. [2024-12-06 05:29:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-12-06 05:29:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:29:45,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:29:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:45,743 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 05:29:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 35 transitions. [2024-12-06 05:29:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-12-06 05:29:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:29:45,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:29:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:46,114 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 05:29:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 47 transitions. [2024-12-06 05:29:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-12-06 05:29:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:29:46,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:46,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:29:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:29:46,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:29:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:29:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:29:46,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:29:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:29:46,724 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 05:29:46,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:29:46 ImpRootNode [2024-12-06 05:29:46,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:29:46,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:29:46,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:29:46,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:29:46,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:45" (3/4) ... [2024-12-06 05:29:46,745 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:29:46,772 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 05:29:46,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:29:46,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:29:46,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:29:46,806 INFO L158 Benchmark]: Toolchain (without parser) took 1864.51ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 78.4MB in the end (delta: 39.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-12-06 05:29:46,807 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:29:46,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.02ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:29:46,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.78ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 979.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:29:46,808 INFO L158 Benchmark]: Boogie Preprocessor took 13.62ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 605.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:29:46,808 INFO L158 Benchmark]: RCFGBuilder took 221.78ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:29:46,808 INFO L158 Benchmark]: CodeCheck took 1372.05ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 82.2MB in the end (delta: 13.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-06 05:29:46,808 INFO L158 Benchmark]: Witness Printer took 62.03ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 78.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:29:46,810 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 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 28 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L30] int i = __VERIFIER_nondet_int(); [L31] int x = __VERIFIER_nondet_int(); [L32] COND TRUE i >= 0 && x >= 0 VAL [i=1, x=2147483647] [L33] CALL f(i,x) VAL [\old(i)=1, \old(x)=2147483647] [L18] COND FALSE !(i==0) VAL [\old(i)=1, \old(x)=2147483647, i=1, x=2147483647] [L21] EXPR i-1 VAL [\old(i)=1, \old(x)=2147483647, i=1, x=2147483647] [L21] CALL g(i-1,x,i) VAL [\old(a)=0, \old(b)=2147483647, \old(c)=1] [L26] b+c VAL [\old(a)=0, \old(b)=2147483647, \old(c)=1, a=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.02ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.78ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 979.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.62ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 605.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.78ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1372.05ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 82.2MB in the end (delta: 13.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 62.03ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 78.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:29:46,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec105bf-9116-4f0d-8295-9e6a20c38c84/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)