./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-1.i --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_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:22:58,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:22:58,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:22:58,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:22:58,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:22:58,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:22:58,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:22:58,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:22:58,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:22:58,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:22:58,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:22:58,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:22:58,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:22:58,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:58,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:22:58,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:22:58,346 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_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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 -> 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c [2024-12-06 03:22:58,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:22:58,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:22:58,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:22:58,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:22:58,594 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:22:58,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/modulus-1.i [2024-12-06 03:23:01,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/69fe2dce7/a5db53ee595843fda0931681db2bc305/FLAG1367645df [2024-12-06 03:23:01,420 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:23:01,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/sv-benchmarks/c/bitvector/modulus-1.i [2024-12-06 03:23:01,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/69fe2dce7/a5db53ee595843fda0931681db2bc305/FLAG1367645df [2024-12-06 03:23:01,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/69fe2dce7/a5db53ee595843fda0931681db2bc305 [2024-12-06 03:23:01,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:23:01,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:23:01,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:01,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:23:01,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:23:01,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:01,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2a7b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01, skipping insertion in model container [2024-12-06 03:23:01,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:01,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:23:01,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:01,947 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:23:01,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:01,973 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:23:01,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01 WrapperNode [2024-12-06 03:23:01,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:01,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:01,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:23:01,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:23:01,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:01,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:01,995 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-12-06 03:23:01,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:01,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:23:01,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:23:01,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:23:02,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:23:02,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:23:02,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:23:02,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:23:02,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:01" (1/1) ... [2024-12-06 03:23:02,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:02,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:23:02,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:23:02,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:23:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:23:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:23:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:23:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:23:02,123 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:23:02,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:23:02,262 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 03:23:02,262 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:23:02,350 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:23:02,350 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:23:02,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:02 BoogieIcfgContainer [2024-12-06 03:23:02,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:23:02,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:23:02,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:23:02,361 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:23:02,361 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:02" (1/1) ... [2024-12-06 03:23:02,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:23:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 03:23:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 03:23:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:23:02,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:02,542 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 03:23:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 03:23:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 03:23:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:23:02,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:02,658 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 03:23:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:23:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:23:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:23:02,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:02,698 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:02,729 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:02,740 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 03:23:02,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:23:02 ImpRootNode [2024-12-06 03:23:02,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:23:02,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:23:02,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:23:02,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:23:02,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:02" (3/4) ... [2024-12-06 03:23:02,757 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:23:02,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:23:02,759 INFO L158 Benchmark]: Toolchain (without parser) took 950.10ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 40.5MB in the end (delta: 52.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 03:23:02,759 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:02,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.85ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:02,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.94ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:02,760 INFO L158 Benchmark]: Boogie Preprocessor took 17.17ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 793.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:02,760 INFO L158 Benchmark]: RCFGBuilder took 336.69ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 60.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:23:02,761 INFO L158 Benchmark]: CodeCheck took 403.09ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 40.7MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:23:02,761 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 117.4MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:02,764 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, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 32) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(s < 32) [L51] 1 << s VAL [s=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.85ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.94ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.17ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 793.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 336.69ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 60.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 403.09ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 40.7MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 117.4MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:23:02,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:23:04,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:23:04,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 03:23:04,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:23:04,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:23:04,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:23:04,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:23:04,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:23:04,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:23:04,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:23:04,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:23:04,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:23:04,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:23:04,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:23:04,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:23:04,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:23:04,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:04,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:23:04,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:23:04,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:23:04,801 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:23:04,801 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:04,801 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:23:04,801 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_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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 -> 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c [2024-12-06 03:23:05,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:23:05,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:23:05,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:23:05,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:23:05,060 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:23:05,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/modulus-1.i [2024-12-06 03:23:07,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/a6eff9d4e/6e87b915e23d4073bc4594001f180509/FLAG6243d3c71 [2024-12-06 03:23:07,919 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:23:07,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/sv-benchmarks/c/bitvector/modulus-1.i [2024-12-06 03:23:07,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/a6eff9d4e/6e87b915e23d4073bc4594001f180509/FLAG6243d3c71 [2024-12-06 03:23:07,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/data/a6eff9d4e/6e87b915e23d4073bc4594001f180509 [2024-12-06 03:23:07,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:23:07,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:23:07,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:07,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:23:07,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:23:07,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:07" (1/1) ... [2024-12-06 03:23:07,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d993d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:07, skipping insertion in model container [2024-12-06 03:23:07,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:07" (1/1) ... [2024-12-06 03:23:07,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:23:08,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:08,132 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:23:08,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:08,162 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:23:08,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08 WrapperNode [2024-12-06 03:23:08,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:08,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:08,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:23:08,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:23:08,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,193 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-12-06 03:23:08,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:08,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:23:08,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:23:08,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:23:08,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:23:08,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:23:08,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:23:08,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:23:08,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:08,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:23:08,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:23:08,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:23:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:23:08,335 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:23:08,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:23:08,483 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 03:23:08,483 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:23:08,541 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:23:08,541 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:23:08,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:08 BoogieIcfgContainer [2024-12-06 03:23:08,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:23:08,542 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:23:08,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:23:08,551 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:23:08,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:08" (1/1) ... [2024-12-06 03:23:08,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:23:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 03:23:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 03:23:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:23:08,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:08,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:08,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:08,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:08,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:23:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:08,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:08,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:23:08,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:08,690 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 03:23:08,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:23:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 03:23:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 03:23:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:23:08,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:08,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:08,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:23:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:08,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:08,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:23:08,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:08,778 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 03:23:08,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:23:08,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:23:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:23:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:23:08,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:08,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:08,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:08,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:23:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:08,838 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:08,871 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:08,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:23:08,882 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 03:23:08,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:23:08 ImpRootNode [2024-12-06 03:23:08,899 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:23:08,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:23:08,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:23:08,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:23:08,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:08" (3/4) ... [2024-12-06 03:23:08,902 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:23:08,935 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-06 03:23:08,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:23:08,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:23:08,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:23:08,976 INFO L158 Benchmark]: Toolchain (without parser) took 1031.17ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 52.0MB in the end (delta: 18.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-06 03:23:08,977 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:08,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.12ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:08,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.27ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:08,977 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 56.4MB in the end (delta: 925.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:08,978 INFO L158 Benchmark]: RCFGBuilder took 324.32ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 41.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:23:08,978 INFO L158 Benchmark]: CodeCheck took 356.44ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 56.1MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:08,978 INFO L158 Benchmark]: Witness Printer took 76.00ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 52.0MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:08,980 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, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 51]: integer overflow possible integer overflow possible We found a FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 32) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(s < 32) [L51] 1 << s * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.12ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.27ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 56.4MB in the end (delta: 925.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.32ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 41.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 356.44ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 56.1MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.00ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 52.0MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:23:08,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecd03fa-7a32-43b3-bcf5-8d0d8952b7c7/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)