./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/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_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/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 32bit --witnessprinter.graph.data.programhash 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:40:01,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:40:01,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 21:40:01,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:40:01,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:40:01,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:40:01,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:40:01,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:40:01,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:40:01,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:40:01,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:40:01,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:40:01,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:40:01,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:40:01,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:40:01,448 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:40:01,448 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:40:01,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:40:01,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:40:01,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:01,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:40:01,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:40:01,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:40:01,449 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:40:01,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:40:01,449 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_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d [2024-12-05 21:40:01,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:40:01,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:40:01,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:40:01,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:40:01,723 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:40:01,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2024-12-05 21:40:04,368 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/data/cfa62dae8/89b57a24e9e447fda46847e5d3997837/FLAG20929c21e [2024-12-05 21:40:04,547 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:40:04,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2024-12-05 21:40:04,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/data/cfa62dae8/89b57a24e9e447fda46847e5d3997837/FLAG20929c21e [2024-12-05 21:40:04,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/data/cfa62dae8/89b57a24e9e447fda46847e5d3997837 [2024-12-05 21:40:04,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:40:04,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:40:04,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:04,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:40:04,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:40:04,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:04" (1/1) ... [2024-12-05 21:40:04,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff4d7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:04, skipping insertion in model container [2024-12-05 21:40:04,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:04" (1/1) ... [2024-12-05 21:40:04,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:40:05,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:05,073 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:40:05,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:05,098 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:40:05,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05 WrapperNode [2024-12-05 21:40:05,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:05,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:05,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:40:05,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:40:05,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,127 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2024-12-05 21:40:05,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:05,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:40:05,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:40:05,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:40:05,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,139 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:40:05,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:40:05,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:40:05,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:40:05,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:05,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:40:05,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:40:05,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:40:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:40:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:40:05,234 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:40:05,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:40:05,483 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-05 21:40:05,483 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:40:05,497 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:40:05,497 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:40:05,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:05 BoogieIcfgContainer [2024-12-05 21:40:05,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:40:05,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:40:05,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:40:05,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:40:05,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:05" (1/1) ... [2024-12-05 21:40:05,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:40:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2024-12-05 21:40:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2024-12-05 21:40:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:40:05,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:05,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:05,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2024-12-05 21:40:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2024-12-05 21:40:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:40:05,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:40:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:05,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 21:40:05,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2024-12-05 21:40:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2024-12-05 21:40:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:40:05,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:40:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:05,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:40:05,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2024-12-05 21:40:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2024-12-05 21:40:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:40:05,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:40:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:05,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:40:05,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2024-12-05 21:40:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2024-12-05 21:40:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:40:06,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:06,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:40:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:06,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:40:06,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2024-12-05 21:40:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2024-12-05 21:40:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:40:06,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:06,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:40:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:06,399 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:40:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:06,409 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-05 21:40:06,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:40:06 ImpRootNode [2024-12-05 21:40:06,427 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:40:06,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:40:06,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:40:06,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:40:06,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:05" (3/4) ... [2024-12-05 21:40:06,429 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:40:06,454 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-05 21:40:06,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:40:06,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:40:06,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:40:06,494 INFO L158 Benchmark]: Toolchain (without parser) took 1569.73ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 89.4MB in the end (delta: 29.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-12-05 21:40:06,494 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:06,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.56ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 109.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:40:06,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.84ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:06,495 INFO L158 Benchmark]: Boogie Preprocessor took 19.97ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.9MB in the end (delta: 731.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:06,495 INFO L158 Benchmark]: RCFGBuilder took 349.79ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 90.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:40:06,496 INFO L158 Benchmark]: CodeCheck took 928.60ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 93.3MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:06,496 INFO L158 Benchmark]: Witness Printer took 65.66ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 89.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:40:06,498 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, 64 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 46 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int n, p, q, r, h; [L24] n = __VERIFIER_nondet_int() [L26] p = 0 [L27] q = 1 [L28] r = n [L29] h = 0 VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L40] COND TRUE q > n VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR p * p VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR n * q VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] p * p - n * q VAL [r=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.56ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 109.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.84ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.97ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.9MB in the end (delta: 731.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.79ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 90.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 928.60ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 93.3MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.66ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 89.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:40:06,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eb8b34-a243-4da5-9be0-acd7e7a21ae8/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)