./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/geo2-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_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/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_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/geo2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/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_c4447a33-eb84-4c78-be6e-c922f8477d75/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 4c346fb221a00d06e6ee0c1e3f36ca32d6948aaf4526d1ed75b2c23fdf71aba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:42:48,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:42:48,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:42:48,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:42:48,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:42:48,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:42:48,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:42:48,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:42:48,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:42:48,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:42:48,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:42:48,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:42:48,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:42:48,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:42:48,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:42:48,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:42:48,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:42:48,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:42:48,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:42:48,567 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_c4447a33-eb84-4c78-be6e-c922f8477d75/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 -> 4c346fb221a00d06e6ee0c1e3f36ca32d6948aaf4526d1ed75b2c23fdf71aba5 [2024-12-06 05:42:48,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:42:48,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:42:48,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:42:48,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:42:48,827 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:42:48,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-nla/geo2-both-nt.c [2024-12-06 05:42:51,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/data/120c9672b/a4d6e99777784518bb8c4b2ee1d2df06/FLAG4742ba4cb [2024-12-06 05:42:51,614 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:42:51,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/sv-benchmarks/c/termination-nla/geo2-both-nt.c [2024-12-06 05:42:51,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/data/120c9672b/a4d6e99777784518bb8c4b2ee1d2df06/FLAG4742ba4cb [2024-12-06 05:42:52,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/data/120c9672b/a4d6e99777784518bb8c4b2ee1d2df06 [2024-12-06 05:42:52,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:42:52,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:42:52,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:42:52,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:42:52,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:42:52,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e5f74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52, skipping insertion in model container [2024-12-06 05:42:52,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:42:52,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:42:52,141 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:42:52,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:42:52,165 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:42:52,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52 WrapperNode [2024-12-06 05:42:52,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:42:52,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:42:52,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:42:52,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:42:52,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,190 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-12-06 05:42:52,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:42:52,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:42:52,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:42:52,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:42:52,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:42:52,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:42:52,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:42:52,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:42:52,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:42:52,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:42:52,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:42:52,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:42:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:42:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:42:52,312 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:42:52,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:42:52,502 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-12-06 05:42:52,502 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:42:52,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:42:52,518 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:42:52,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:52 BoogieIcfgContainer [2024-12-06 05:42:52,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:42:52,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:42:52,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:42:52,527 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:42:52,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:52" (1/1) ... [2024-12-06 05:42:52,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:42:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:42:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2024-12-06 05:42:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2024-12-06 05:42:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:42:52,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:42:52,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:42:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:42:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:42:52,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:42:52,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:42:52,690 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 05:42:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:42:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2024-12-06 05:42:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2024-12-06 05:42:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:42:52,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:42:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:42:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:42:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:42:52,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:42:52,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:42:52,780 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 05:42:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:42:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2024-12-06 05:42:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2024-12-06 05:42:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:42:52,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:42:52,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:42:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:42:52,936 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 05:42:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:42:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2024-12-06 05:42:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2024-12-06 05:42:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:42:53,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:42:53,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:42:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:42:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:42:53,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:42:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:42:53,036 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 05:42:53,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:42:53 ImpRootNode [2024-12-06 05:42:53,052 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:42:53,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:42:53,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:42:53,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:42:53,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:52" (3/4) ... [2024-12-06 05:42:53,053 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:42:53,076 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-12-06 05:42:53,107 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:42:53,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:42:53,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:42:53,108 INFO L158 Benchmark]: Toolchain (without parser) took 1104.76ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 65.5MB in the end (delta: 54.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:42:53,109 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:53,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.85ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:42:53,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.28ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:53,110 INFO L158 Benchmark]: Boogie Preprocessor took 16.76ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.9MB in the end (delta: 596.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:53,110 INFO L158 Benchmark]: RCFGBuilder took 309.91ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 95.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:42:53,110 INFO L158 Benchmark]: CodeCheck took 533.59ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 69.3MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:42:53,111 INFO L158 Benchmark]: Witness Printer took 55.53ms. Allocated memory is still 142.6MB. Free memory was 69.3MB in the beginning and 65.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:53,112 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, 40 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 0 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 8 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: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int z, k; [L23] int x, y, c; [L24] z = __VERIFIER_nondet_int() [L25] k = __VERIFIER_nondet_int() [L27] x = 1 [L28] y = 1 [L29] c = 1 VAL [c=1, x=1, y=1, z=2147483647] [L34] EXPR x*z VAL [c=1, x=1, y=1, z=2147483647] [L34] 1 + x*z VAL [c=1, y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.85ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.28ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.76ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.9MB in the end (delta: 596.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.91ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 95.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 533.59ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 69.3MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 55.53ms. Allocated memory is still 142.6MB. Free memory was 69.3MB in the beginning and 65.5MB 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 05:42:53,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4447a33-eb84-4c78-be6e-c922f8477d75/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)