./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df68cc134d4c89196adaa50333a41be4199690de58eaf3e6fbecc9a5100092fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:52,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:52,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:18:52,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:18:52,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:18:52,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:52,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:52,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:52,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:52,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:52,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:52,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:52,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:52,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:52,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:52,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:52,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:52,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:52,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:52,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:52,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:52,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:52,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:52,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:52,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:52,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:52,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:52,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:52,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:52,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:52,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:52,719 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:18:52,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:18:52,719 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_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm 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 ! call(reach_error())) ) 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 -> df68cc134d4c89196adaa50333a41be4199690de58eaf3e6fbecc9a5100092fe [2024-11-13 20:18:53,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:53,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:53,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:53,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:53,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:53,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c Unable to find full path for "g++" [2024-11-13 20:18:55,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:55,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:55,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2024-11-13 20:18:55,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/data/09058a118/1227902810bb4d4298bbb0720b620240/FLAG48fa0cfa2 [2024-11-13 20:18:55,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/data/09058a118/1227902810bb4d4298bbb0720b620240 [2024-11-13 20:18:55,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:55,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:55,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:55,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:55,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:55,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3274dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55, skipping insertion in model container [2024-11-13 20:18:55,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:55,568 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2024-11-13 20:18:55,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:55,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:55,618 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2024-11-13 20:18:55,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:55,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:55,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55 WrapperNode [2024-11-13 20:18:55,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:55,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:55,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:55,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:55,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,692 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-13 20:18:55,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:55,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:55,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:55,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:55,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:55,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:55,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:55,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:55,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:55" (1/1) ... [2024-11-13 20:18:55,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:55,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:55,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:55,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_18_0 [2024-11-13 20:18:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_18_0 [2024-11-13 20:18:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:18:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:18:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:18:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:18:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:18:55,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:55,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:56,098 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:56,099 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:56,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:56,166 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:56,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:56 BoogieIcfgContainer [2024-11-13 20:18:56,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:56,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:56,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:56,181 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:56,182 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:56" (1/1) ... [2024-11-13 20:18:56,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 20:18:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 20:18:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:56,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:56,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 24 transitions. [2024-11-13 20:18:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 20:18:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:57,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 20:18:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 26 transitions. [2024-11-13 20:18:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 20:18:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:57,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:57,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 20:18:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 14 transitions. [2024-11-13 20:18:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 20:18:58,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:18:58,749 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 20:18:58,765 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:18:58,813 INFO L75 FloydHoareUtils]: For program point L25(lines 25 29) no Hoare annotation was computed. [2024-11-13 20:18:58,813 INFO L77 FloydHoareUtils]: At program point L23(lines 23 34) the Hoare annotation is: (and (= (select (select |#memory_int| |func_to_recursive_line_13_to_18_0_~s#1.base|) |func_to_recursive_line_13_to_18_0_~s#1.offset|) 0) (not (= |func_to_recursive_line_13_to_18_0___VERIFIER_assert_~cond#1| 0))) [2024-11-13 20:18:58,813 INFO L77 FloydHoareUtils]: At program point L23-2(lines 21 36) the Hoare annotation is: (= (select (select |#memory_int| |func_to_recursive_line_13_to_18_0_~s#1.base|) |func_to_recursive_line_13_to_18_0_~s#1.offset|) 0) [2024-11-13 20:18:58,814 INFO L77 FloydHoareUtils]: At program point L50(lines 50 56) the Hoare annotation is: (= (select (select |#memory_int| |func_to_recursive_line_13_to_18_0_~s#1.base|) |func_to_recursive_line_13_to_18_0_~s#1.offset|) 0) [2024-11-13 20:18:58,817 INFO L77 FloydHoareUtils]: At program point L50-2(lines 50 56) the Hoare annotation is: (= (select (select |#memory_int| |func_to_recursive_line_13_to_18_0_~s#1.base|) |func_to_recursive_line_13_to_18_0_~s#1.offset|) 0) [2024-11-13 20:18:58,817 INFO L75 FloydHoareUtils]: For program point func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2024-11-13 20:18:58,817 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 38 63) the Hoare annotation is: (= (select (select |#memory_int| |func_to_recursive_line_13_to_18_0_#in~s#1.base|) |func_to_recursive_line_13_to_18_0_#in~s#1.offset|) 0) [2024-11-13 20:18:58,817 INFO L77 FloydHoareUtils]: At program point L40(lines 40 62) the Hoare annotation is: (= (select (select |#memory_int| |func_to_recursive_line_13_to_18_0_~s#1.base|) |func_to_recursive_line_13_to_18_0_~s#1.offset|) 0) [2024-11-13 20:18:58,818 INFO L77 FloydHoareUtils]: At program point L40-1(lines 38 63) the Hoare annotation is: true [2024-11-13 20:18:58,818 INFO L77 FloydHoareUtils]: At program point func_to_recursive_line_13_to_18_0EXIT(lines 38 63) the Hoare annotation is: true [2024-11-13 20:18:58,818 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:18:58,818 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:18:58,818 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) [2024-11-13 20:18:58,818 INFO L77 FloydHoareUtils]: At program point L68-1(line 68) the Hoare annotation is: true [2024-11-13 20:18:58,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 20:18:58,830 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 20:18:58,832 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s!base,]]] [2024-11-13 20:18:58,841 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 20:18:58,841 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 20:18:58,841 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~s!base,]]] [2024-11-13 20:18:58,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:58 ImpRootNode [2024-11-13 20:18:58,845 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:58,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:58,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:58,847 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:58,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:56" (3/4) ... [2024-11-13 20:18:58,852 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:18:58,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_18_0 [2024-11-13 20:18:58,862 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 20:18:58,863 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:18:58,863 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:18:58,863 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:18:58,864 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:18:58,959 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:18:58,959 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:18:58,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:58,962 INFO L158 Benchmark]: Toolchain (without parser) took 3573.75ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 37.8MB in the end (delta: 54.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-13 20:18:58,963 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:58,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.15ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:58,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.04ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:58,965 INFO L158 Benchmark]: Boogie Preprocessor took 27.86ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 864.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:58,965 INFO L158 Benchmark]: RCFGBuilder took 443.56ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.3MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:58,966 INFO L158 Benchmark]: CodeCheck took 2675.37ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 42.5MB in the end (delta: 25.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:58,966 INFO L158 Benchmark]: Witness Printer took 112.86ms. Allocated memory is still 117.4MB. Free memory was 42.5MB in the beginning and 37.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:58,969 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 31 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 6/7 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 - PositiveResult [Line: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.15ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.04ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.86ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 864.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.56ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.3MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2675.37ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 42.5MB in the end (delta: 25.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 112.86ms. Allocated memory is still 117.4MB. Free memory was 42.5MB in the beginning and 37.8MB in the end (delta: 4.6MB). 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: #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[~s!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[#in~s!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-13 20:18:59,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7eb961-8ec5-4c22-ac3d-c43610a9c0a2/bin/ukojak-verify-EEHR8qb7sm/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