./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi --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 0942d3c46657b9d8ac8f8537aec24fbcc2f0b19e897472dc297ad201df07c1bb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:46,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:46,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:19:46,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:46,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:46,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:46,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:46,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:46,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:46,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:46,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:46,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:46,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:46,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:46,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:46,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:46,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:46,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:46,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:46,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:46,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:46,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:46,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:46,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:46,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:46,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:46,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:46,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:46,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:46,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:46,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:46,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:46,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942d3c46657b9d8ac8f8537aec24fbcc2f0b19e897472dc297ad201df07c1bb [2023-11-24 22:19:46,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:46,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:46,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:46,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:46,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:46,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2023-11-24 22:19:49,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:50,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:50,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2023-11-24 22:19:50,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/data/b33bf0170/b8e5c86ae9e84cbca71e0198f77ee351/FLAG914235c55 [2023-11-24 22:19:50,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/data/b33bf0170/b8e5c86ae9e84cbca71e0198f77ee351 [2023-11-24 22:19:50,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:50,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:50,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:50,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:50,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6508ea6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50, skipping insertion in model container [2023-11-24 22:19:50,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:50,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:50,593 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:50,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:50,750 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:50,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50 WrapperNode [2023-11-24 22:19:50,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:50,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:50,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:50,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,842 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2023-11-24 22:19:50,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:50,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:50,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:50,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:50,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:50,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:50,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:50,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:50,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:50,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:50,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:50,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:51,079 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:51,081 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:51,273 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:51,338 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:51,338 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:19:51,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51 BoogieIcfgContainer [2023-11-24 22:19:51,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:51,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:51,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:51,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:51,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 22:19:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 22:19:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:19:51,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:19:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:19:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:19:51,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 22:19:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 22:19:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:19:52,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-24 22:19:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-24 22:19:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:52,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:19:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:19:52,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:19:52,709 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 22:19:52,721 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 22:19:52,750 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,755 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,755 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:52 ImpRootNode [2023-11-24 22:19:52,756 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:52,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:52,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:52,760 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:52,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51" (3/4) ... [2023-11-24 22:19:52,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:19:52,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-24 22:19:52,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:19:52,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 22:19:52,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:19:52,907 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:19:52,907 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:19:52,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:52,908 INFO L158 Benchmark]: Toolchain (without parser) took 2728.82ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 118.9MB in the beginning and 139.9MB in the end (delta: -21.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,909 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:52,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.94ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 122.0MB in the end (delta: -3.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.78ms. Allocated memory is still 153.1MB. Free memory was 122.0MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,910 INFO L158 Benchmark]: Boogie Preprocessor took 57.18ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 118.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:52,910 INFO L158 Benchmark]: RCFGBuilder took 438.35ms. Allocated memory is still 153.1MB. Free memory was 118.5MB in the beginning and 102.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,911 INFO L158 Benchmark]: CodeCheck took 1415.69ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 102.3MB in the beginning and 145.2MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:52,912 INFO L158 Benchmark]: Witness Printer took 148.49ms. Allocated memory is still 184.5MB. Free memory was 145.2MB in the beginning and 139.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,917 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: 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 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.94ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 122.0MB in the end (delta: -3.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.78ms. Allocated memory is still 153.1MB. Free memory was 122.0MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.18ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 118.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.35ms. Allocated memory is still 153.1MB. Free memory was 118.5MB in the beginning and 102.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1415.69ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 102.3MB in the beginning and 145.2MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 148.49ms. Allocated memory is still 184.5MB. Free memory was 145.2MB in the beginning and 139.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:19:52,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa521938-6f33-4847-8382-7e0a4f124839/bin/ukojak-verify-afCqCEvfdi/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