./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/sqrt2-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_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/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_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/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_836f4aa7-5515-4d66-989b-8dbda39771ff/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 f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:07:41,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:07:41,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:07:41,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:07:41,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:07:41,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:07:41,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:07:41,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:07:41,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:07:41,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:07:41,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:07:41,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:07:41,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:07:41,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:07:41,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:07:41,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:07:41,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:07:41,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:07:41,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:07:41,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:07:41,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:07:41,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:07:41,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:07:41,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:07:41,578 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:07:41,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:07:41,578 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_836f4aa7-5515-4d66-989b-8dbda39771ff/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 -> f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 [2024-12-05 22:07:41,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:07:41,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:07:41,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:07:41,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:07:41,875 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:07:41,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2024-12-05 22:07:44,517 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/data/132621b4d/5271691e8cdc4137881bc48a9befb1d9/FLAG2aef5f20b [2024-12-05 22:07:44,696 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:07:44,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2024-12-05 22:07:44,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/data/132621b4d/5271691e8cdc4137881bc48a9befb1d9/FLAG2aef5f20b [2024-12-05 22:07:44,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/data/132621b4d/5271691e8cdc4137881bc48a9befb1d9 [2024-12-05 22:07:44,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:07:44,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:07:44,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:07:44,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:07:44,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:07:44,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553bd5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44, skipping insertion in model container [2024-12-05 22:07:44,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:07:44,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:07:44,866 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:07:44,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:07:44,893 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:07:44,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44 WrapperNode [2024-12-05 22:07:44,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:07:44,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:07:44,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:07:44,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:07:44,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,923 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-12-05 22:07:44,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:07:44,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:07:44,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:07:44,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:07:44,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:07:44,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:07:44,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:07:44,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:07:44,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:07:44" (1/1) ... [2024-12-05 22:07:44,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:07:44,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:07:44,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:07:44,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:07:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:07:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:07:45,063 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:07:45,065 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:07:45,263 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-05 22:07:45,263 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:07:45,279 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:07:45,279 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:07:45,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:07:45 BoogieIcfgContainer [2024-12-05 22:07:45,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:07:45,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:07:45,280 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:07:45,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:07:45,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:07:45" (1/1) ... [2024-12-05 22:07:45,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:07:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2024-12-05 22:07:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2024-12-05 22:07:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:07:45,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:45,409 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 22:07:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2024-12-05 22:07:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2024-12-05 22:07:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:07:45,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:45,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:07:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:45,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:07:45,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:07:45,465 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 22:07:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2024-12-05 22:07:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2024-12-05 22:07:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:07:45,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:45,533 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 22:07:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2024-12-05 22:07:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2024-12-05 22:07:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:07:45,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:45,657 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 22:07:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2024-12-05 22:07:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2024-12-05 22:07:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:07:45,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:07:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:45,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:07:45,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:07:45,840 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 22:07:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:45,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2024-12-05 22:07:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-12-05 22:07:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:07:45,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:46,010 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 22:07:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2024-12-05 22:07:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-12-05 22:07:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:07:46,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:46,192 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 22:07:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2024-12-05 22:07:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-12-05 22:07:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:07:46,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:46,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:46,348 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 22:07:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 67 states and 79 transitions. [2024-12-05 22:07:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2024-12-05 22:07:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:07:46,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:46,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:46,555 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 22:07:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 69 states and 83 transitions. [2024-12-05 22:07:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2024-12-05 22:07:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:07:46,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:46,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:46,984 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 22:07:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2024-12-05 22:07:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2024-12-05 22:07:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:07:47,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:47,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:47,362 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 22:07:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2024-12-05 22:07:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2024-12-05 22:07:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:07:47,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:47,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:47,527 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 22:07:57,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:07:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2024-12-05 22:07:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2024-12-05 22:07:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:07:57,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:57,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:07:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:07:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:57,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:07:57,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:07:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:08:08,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:08:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 87 states and 105 transitions. [2024-12-05 22:08:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-12-05 22:08:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:08:08,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:08,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:08:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:08,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:08:08,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:08:08,732 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 22:08:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 101 states and 121 transitions. [2024-12-05 22:08:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 121 transitions. [2024-12-05 22:08:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:08:09,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:09,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:09,271 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 22:08:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 103 states and 125 transitions. [2024-12-05 22:08:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2024-12-05 22:08:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:08:09,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:09,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:09,328 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 22:08:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 106 states and 130 transitions. [2024-12-05 22:08:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 130 transitions. [2024-12-05 22:08:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:08:09,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:09,484 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 22:08:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 138 transitions. [2024-12-05 22:08:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2024-12-05 22:08:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:08:09,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:09,900 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 22:08:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 116 states and 147 transitions. [2024-12-05 22:08:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2024-12-05 22:08:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:08:10,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:10,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:08:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:10,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:08:10,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:08:10,648 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 22:08:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 136 states and 173 transitions. [2024-12-05 22:08:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 173 transitions. [2024-12-05 22:08:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:08:11,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:08:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:08:11,928 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:08:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:08:11,941 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-05 22:08:11,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:08:11 ImpRootNode [2024-12-05 22:08:11,972 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:08:11,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:08:11,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:08:11,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:08:11,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:07:45" (3/4) ... [2024-12-05 22:08:11,974 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:08:12,007 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-05 22:08:12,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:08:12,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:08:12,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:08:12,035 INFO L158 Benchmark]: Toolchain (without parser) took 27314.33ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 117.4MB in the beginning and 267.6MB in the end (delta: -150.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-12-05 22:08:12,035 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:12,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.11ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:08:12,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.51ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:12,036 INFO L158 Benchmark]: Boogie Preprocessor took 18.77ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.6MB in the end (delta: 536.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:12,037 INFO L158 Benchmark]: RCFGBuilder took 336.02ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 92.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:08:12,037 INFO L158 Benchmark]: CodeCheck took 26692.38ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 92.2MB in the beginning and 271.8MB in the end (delta: -179.6MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-12-05 22:08:12,037 INFO L158 Benchmark]: Witness Printer took 61.73ms. Allocated memory is still 302.0MB. Free memory was 271.8MB in the beginning and 267.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:12,039 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, 48 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 1344 SdHoareTripleChecker+Valid, 154.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1230 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 153.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 280 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3278 IncrementalHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 280 mSolverCounterUnsat, 38 mSDtfsCounter, 3278 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1652 GetRequests, 1381 SyntacticMatches, 121 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13696 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 1313 SizeOfPredicates, 2 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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: 36]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int s, t, i, j; [L22] i = __VERIFIER_nondet_int() [L23] j = __VERIFIER_nondet_int() [L25] s = 1 [L26] t = 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 + i VAL [i=1, j=2147483647, s=1, t=1] [L28] COND TRUE t*t - 4*s + 2*t + 1 + i >= 0 VAL [i=1, j=2147483647, s=1, t=1] [L34] EXPR t + 2 [L34] t = t + 2 VAL [i=1, j=2147483647, s=1, t=3] [L35] EXPR s + t [L35] s = s + t VAL [i=1, j=2147483647, s=4, t=3] [L36] i + j VAL [s=4, t=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.11ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.51ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.77ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.6MB in the end (delta: 536.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.02ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 92.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26692.38ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 92.2MB in the beginning and 271.8MB in the end (delta: -179.6MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Witness Printer took 61.73ms. Allocated memory is still 302.0MB. Free memory was 271.8MB in the beginning and 267.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:08:12,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836f4aa7-5515-4d66-989b-8dbda39771ff/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)