./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/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_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-05 22:47:57,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:47:57,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:47:57,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:47:57,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:47:57,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:47:57,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:47:57,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:47:57,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:47:57,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:47:57,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:47:57,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:47:57,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:47:57,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:47:57,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:47:57,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:47:57,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:47:57,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:47:57,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:47:57,150 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_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/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 ! 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 [2024-12-05 22:47:57,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:47:57,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:47:57,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:47:57,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:47:57,400 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:47:57,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2024-12-05 22:48:00,124 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/data/d8420070e/a800eaa242664564b4616dfe88f07178/FLAGaa05b457b [2024-12-05 22:48:00,330 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:48:00,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2024-12-05 22:48:00,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/data/d8420070e/a800eaa242664564b4616dfe88f07178/FLAGaa05b457b [2024-12-05 22:48:00,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/data/d8420070e/a800eaa242664564b4616dfe88f07178 [2024-12-05 22:48:00,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:48:00,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:48:00,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:48:00,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:48:00,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:48:00,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee5a780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00, skipping insertion in model container [2024-12-05 22:48:00,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:48:00,828 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_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2024-12-05 22:48:00,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:48:00,845 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:48:00,854 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_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2024-12-05 22:48:00,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:48:00,869 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:48:00,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00 WrapperNode [2024-12-05 22:48:00,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:48:00,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:48:00,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:48:00,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:48:00,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,894 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-12-05 22:48:00,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:48:00,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:48:00,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:48:00,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:48:00,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:48:00,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:48:00,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:48:00,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:48:00,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:00" (1/1) ... [2024-12-05 22:48:00,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:48:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:48:00,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:48:00,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:48:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:48:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_18_0 [2024-12-05 22:48:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_18_0 [2024-12-05 22:48:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:48:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:48:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:48:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:48:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:48:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:48:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:48:01,030 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:48:01,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:48:01,131 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:48:01,131 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:48:01,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:48:01,168 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:48:01,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:48:01 BoogieIcfgContainer [2024-12-05 22:48:01,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:48:01,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:48:01,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:48:01,177 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:48:01,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:48:01" (1/1) ... [2024-12-05 22:48:01,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:48:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 22:48:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 22:48:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:48:01,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:48:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 24 transitions. [2024-12-05 22:48:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-05 22:48:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:48:01,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:01,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:48:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:48:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 26 transitions. [2024-12-05 22:48:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 22:48:02,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:48:02,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:02,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:48:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:48:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 14 transitions. [2024-12-05 22:48:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 22:48:02,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:48:02,762 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-05 22:48:02,770 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:48:02,797 INFO L75 FloydHoareUtils]: For program point L25(lines 25 29) no Hoare annotation was computed. [2024-12-05 22:48:02,798 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))) [2024-12-05 22:48:02,798 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) [2024-12-05 22:48:02,798 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) [2024-12-05 22:48:02,798 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) [2024-12-05 22:48:02,798 INFO L75 FloydHoareUtils]: For program point func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2024-12-05 22:48:02,799 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) [2024-12-05 22:48:02,799 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) [2024-12-05 22:48:02,799 INFO L77 FloydHoareUtils]: At program point L40-1(lines 38 63) the Hoare annotation is: true [2024-12-05 22:48:02,799 INFO L77 FloydHoareUtils]: At program point func_to_recursive_line_13_to_18_0EXIT(lines 38 63) the Hoare annotation is: true [2024-12-05 22:48:02,799 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:48:02,799 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:48:02,799 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) [2024-12-05 22:48:02,799 INFO L77 FloydHoareUtils]: At program point L68-1(line 68) the Hoare annotation is: true [2024-12-05 22:48:02,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-05 22:48:02,808 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-05 22:48:02,808 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s!base,]]] [2024-12-05 22:48:02,816 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-05 22:48:02,816 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-05 22:48:02,816 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~s!base,]]] [2024-12-05 22:48:02,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:48:02 ImpRootNode [2024-12-05 22:48:02,819 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:48:02,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:48:02,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:48:02,821 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:48:02,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:48:01" (3/4) ... [2024-12-05 22:48:02,824 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:48:02,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_18_0 [2024-12-05 22:48:02,832 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-12-05 22:48:02,832 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 22:48:02,833 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:48:02,833 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:48:02,833 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:48:02,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:48:02,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:48:02,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:48:02,913 INFO L158 Benchmark]: Toolchain (without parser) took 2198.42ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.1MB in the beginning and 140.5MB in the end (delta: -47.4MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-12-05 22:48:02,913 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:48:02,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.77ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:48:02,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.37ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:48:02,914 INFO L158 Benchmark]: Boogie Preprocessor took 17.58ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.3MB in the end (delta: 825.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:48:02,915 INFO L158 Benchmark]: RCFGBuilder took 255.54ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 68.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:48:02,915 INFO L158 Benchmark]: CodeCheck took 1650.25ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 68.7MB in the beginning and 145.1MB in the end (delta: -76.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-12-05 22:48:02,915 INFO L158 Benchmark]: Witness Printer took 92.02ms. Allocated memory is still 218.1MB. Free memory was 145.1MB in the beginning and 140.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:48:02,917 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s 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, ConComCheckerStatistics: 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.77ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.37ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.58ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.3MB in the end (delta: 825.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.54ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 68.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1650.25ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 68.7MB in the beginning and 145.1MB in the end (delta: -76.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 92.02ms. Allocated memory is still 218.1MB. Free memory was 145.1MB in the beginning and 140.5MB 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! [2024-12-05 22:48:02,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41786c0e-3129-48ab-bba1-bc99c3d3b9f4/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