./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/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_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 854590cc4413a89873a976feacf89528edce1772c9b07a52d61540a880295e5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:20:39,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:20:39,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:20:39,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:20:39,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:20:39,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:20:39,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:20:39,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:20:39,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:20:39,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:20:39,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:20:39,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:20:39,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:39,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:20:39,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:20:39,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:20:39,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:20:39,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:20:39,575 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_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854590cc4413a89873a976feacf89528edce1772c9b07a52d61540a880295e5a [2024-12-06 00:20:39,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:20:39,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:20:39,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:20:39,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:20:39,814 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:20:39,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2024-12-06 00:20:42,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/data/b62e03471/944c036749334437a978af29666102ae/FLAG69fdf9581 [2024-12-06 00:20:42,718 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:20:42,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2024-12-06 00:20:42,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/data/b62e03471/944c036749334437a978af29666102ae/FLAG69fdf9581 [2024-12-06 00:20:43,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/data/b62e03471/944c036749334437a978af29666102ae [2024-12-06 00:20:43,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:20:43,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:20:43,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:43,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:20:43,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:20:43,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43, skipping insertion in model container [2024-12-06 00:20:43,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:20:43,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:43,315 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:20:43,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:43,371 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:20:43,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43 WrapperNode [2024-12-06 00:20:43,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:43,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:43,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:20:43,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:20:43,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,408 INFO L138 Inliner]: procedures = 111, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-12-06 00:20:43,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:43,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:20:43,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:20:43,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:20:43,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,422 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:20:43,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:20:43,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:20:43,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:20:43,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:43,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:20:43,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:20:43,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:20:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:20:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:20:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:20:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:20:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:20:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:20:43,572 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:20:43,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:20:43,672 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-06 00:20:43,672 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:20:43,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:20:43,702 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:20:43,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:43 BoogieIcfgContainer [2024-12-06 00:20:43,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:20:43,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:20:43,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:20:43,710 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:20:43,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:20:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 00:20:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 00:20:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:20:43,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:43,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:44,197 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 00:20:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 00:20:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 00:20:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:20:44,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:44,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:44,546 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 00:20:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:44,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 00:20:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 00:20:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:20:44,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:44,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:45,054 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 00:20:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 00:20:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 00:20:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:20:45,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:45,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:45,919 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 00:20:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 00:20:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 00:20:46,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:20:46,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:46,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:46,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-12-06 00:20:46,872 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-12-06 00:20:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:20:46,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 00:20:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 00:20:47,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:20:47,562 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 00:20:47,571 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 00:20:47,616 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-12-06 00:20:47,616 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:20:47,616 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-12-06 00:20:47,617 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (< |ULTIMATE.start_test_fun_#t~mem7#1| 2147483649) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= .cse0 2147483646) (<= 0 (+ |ULTIMATE.start_test_fun_#t~mem7#1| 2147483647)) (<= 0 (+ .cse0 2147483648)))) [2024-12-06 00:20:47,617 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (< |ULTIMATE.start_test_fun_#t~mem7#1| 2147483649) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= .cse0 2147483646) (<= 0 (+ .cse0 2147483648)))) [2024-12-06 00:20:47,617 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:20:47,617 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-12-06 00:20:47,617 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-12-06 00:20:47,617 INFO L77 FloydHoareUtils]: At program point L557(line 557) the Hoare annotation is: (and (< |ULTIMATE.start_test_fun_#t~mem8#1| 2147483647) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483647) (<= 0 (+ |ULTIMATE.start_test_fun_#t~mem8#1| 2147483648))) [2024-12-06 00:20:47,618 INFO L77 FloydHoareUtils]: At program point L557-1(line 557) the Hoare annotation is: (and (< |ULTIMATE.start_test_fun_#t~mem8#1| 2147483647) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem8#1|)) (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483647)) [2024-12-06 00:20:47,618 INFO L77 FloydHoareUtils]: At program point L555-1(lines 555 558) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= |ULTIMATE.start_test_fun_#t~mem5#1| 2147483647) (= .cse0 |ULTIMATE.start_test_fun_#t~mem6#1|) (= |ULTIMATE.start_test_fun_#t~mem5#1| (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (<= 0 (+ .cse0 2147483648)))) [2024-12-06 00:20:47,618 INFO L77 FloydHoareUtils]: At program point L555-4(lines 555 558) the Hoare annotation is: (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (< (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483648) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483648))) [2024-12-06 00:20:47,618 INFO L77 FloydHoareUtils]: At program point L555-5(lines 555 558) the Hoare annotation is: true [2024-12-06 00:20:47,626 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y_ref~0!base [2024-12-06 00:20:47,627 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x_ref~0!base [2024-12-06 00:20:47,628 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 00:20:47,628 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 00:20:47,628 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-12-06 00:20:47,630 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 00:20:47,630 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 00:20:47,630 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-12-06 00:20:47,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:20:47 ImpRootNode [2024-12-06 00:20:47,634 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:20:47,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:20:47,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:20:47,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:20:47,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:43" (3/4) ... [2024-12-06 00:20:47,638 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:20:47,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 00:20:47,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 00:20:47,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 00:20:47,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:20:47,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:20:47,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:20:47,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:20:47,727 INFO L158 Benchmark]: Toolchain (without parser) took 4663.05ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 72.4MB in the end (delta: 43.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-06 00:20:47,728 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:47,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.92ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 100.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:20:47,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.42ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:47,729 INFO L158 Benchmark]: Boogie Preprocessor took 20.68ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.8MB in the end (delta: 852.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:47,729 INFO L158 Benchmark]: RCFGBuilder took 272.20ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 84.6MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:20:47,729 INFO L158 Benchmark]: CodeCheck took 3931.34ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 76.6MB in the end (delta: 7.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-12-06 00:20:47,730 INFO L158 Benchmark]: Witness Printer took 91.63ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 72.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:20:47,732 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 438 IncrementalHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 0 mSDtfsCounter, 438 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 370 GetRequests, 279 SyntacticMatches, 9 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2455 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 3/7 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 - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.92ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 100.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.42ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.68ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.8MB in the end (delta: 852.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.20ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 84.6MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3931.34ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 76.6MB in the end (delta: 7.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 91.63ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 72.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y_ref~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x_ref~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-12-06 00:20:47,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fa475c-0cb1-485c-a8e0-9e45ece6e96d/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 Result: TRUE