./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.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_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/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_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/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_41555337-a058-448c-9739-11dc935bc841/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 c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:05,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:05,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:20:05,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:20:05,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:20:05,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:05,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:05,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:05,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:05,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:05,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:05,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:05,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:20:05,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:20:05,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:20:05,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:05,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:05,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:05,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:05,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:05,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:05,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:05,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:05,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:05,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:05,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:20:05,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:20:05,222 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_41555337-a058-448c-9739-11dc935bc841/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 -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2024-11-13 20:20:05,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:05,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:05,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:05,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:05,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:05,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c Unable to find full path for "g++" [2024-11-13 20:20:07,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:07,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:07,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-11-13 20:20:07,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/data/f24ea532e/040a72adc42d4a789a922df1492016c0/FLAGf7b290ce4 [2024-11-13 20:20:08,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/data/f24ea532e/040a72adc42d4a789a922df1492016c0 [2024-11-13 20:20:08,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:08,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:08,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:08,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:08,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:08,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8abfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08, skipping insertion in model container [2024-11-13 20:20:08,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:08,327 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_41555337-a058-448c-9739-11dc935bc841/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2024-11-13 20:20:08,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:08,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:08,364 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_41555337-a058-448c-9739-11dc935bc841/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2024-11-13 20:20:08,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:08,382 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:08,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08 WrapperNode [2024-11-13 20:20:08,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:08,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:08,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:08,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:08,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,422 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-13 20:20:08,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:08,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:08,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:08,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:08,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:08,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:08,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:08,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:08,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:08,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:08,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:08,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:20:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-13 20:20:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-13 20:20:08,596 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:08,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:08,737 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:08,737 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:08,772 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:08,773 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:20:08,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:08 BoogieIcfgContainer [2024-11-13 20:20:08,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:08,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:08,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:08,790 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:08,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:08" (1/1) ... [2024-11-13 20:20:08,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 20:20:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 20:20:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:20:08,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:08,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:09,164 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 20:20:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2024-11-13 20:20:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:20:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:20:09,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:20:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2024-11-13 20:20:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 20:20:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:20:09,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:09,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 20:20:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2024-11-13 20:20:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 20:20:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:20:10,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:10,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:20:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2024-11-13 20:20:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-13 20:20:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:20:10,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:20:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2024-11-13 20:20:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-11-13 20:20:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:20:10,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:10,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:20:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2024-11-13 20:20:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-13 20:20:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:20:11,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:11,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-13 20:20:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2024-11-13 20:20:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-11-13 20:20:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 20:20:11,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-13 20:20:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2024-11-13 20:20:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2024-11-13 20:20:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 20:20:12,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:12,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 20:20:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2024-11-13 20:20:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 20:20:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:20:12,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 20:20:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2024-11-13 20:20:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2024-11-13 20:20:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:20:13,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:13,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-13 20:20:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2024-11-13 20:20:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2024-11-13 20:20:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 20:20:13,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-13 20:20:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2024-11-13 20:20:14,378 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2024-11-13 20:20:14,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 20:20:14,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:14,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 20:20:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2024-11-13 20:20:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2024-11-13 20:20:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 20:20:14,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-13 20:20:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2024-11-13 20:20:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2024-11-13 20:20:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 20:20:15,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:15,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-13 20:20:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2024-11-13 20:20:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2024-11-13 20:20:16,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 20:20:16,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-13 20:20:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2024-11-13 20:20:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2024-11-13 20:20:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 20:20:17,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:17,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 20:20:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2024-11-13 20:20:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2024-11-13 20:20:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 20:20:18,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-13 20:20:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2024-11-13 20:20:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2024-11-13 20:20:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 20:20:18,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:18,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-13 20:20:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2024-11-13 20:20:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2024-11-13 20:20:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 20:20:19,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:19,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-11-13 20:20:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 73 states and 284 transitions. [2024-11-13 20:20:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2024-11-13 20:20:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 20:20:20,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:20,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 20:20:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 137 states and 769 transitions. [2024-11-13 20:20:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 769 transitions. [2024-11-13 20:20:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 20:20:45,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 672 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-13 20:20:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 74 states and 76 transitions. [2024-11-13 20:20:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-13 20:20:52,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:20:52,434 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2024-11-13 20:20:52,443 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:20:52,947 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:20:52,947 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: true [2024-11-13 20:20:52,947 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: true [2024-11-13 20:20:52,947 INFO L77 FloydHoareUtils]: At program point L14(lines 14 16) the Hoare annotation is: true [2024-11-13 20:20:52,948 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= 20 |ULTIMATE.start_main_~input~0#1|) (<= |ULTIMATE.start_main_~input~0#1| 20)) [2024-11-13 20:20:52,949 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point L11(lines 11 17) the Hoare annotation is: true [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point idFINAL(lines 6 9) the Hoare annotation is: true [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point idEXIT(lines 6 9) the Hoare annotation is: true [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 9) the Hoare annotation is: true [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point L8(line 8) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point L7(line 7) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-11-13 20:20:52,950 INFO L77 FloydHoareUtils]: At program point L8-1(line 8) the Hoare annotation is: true [2024-11-13 20:20:52,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:52 ImpRootNode [2024-11-13 20:20:52,961 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:52,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:52,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:52,962 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:52,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:08" (3/4) ... [2024-11-13 20:20:52,965 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:20:52,969 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-13 20:20:52,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 20:20:52,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:20:52,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:20:52,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:20:53,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:20:53,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:20:53,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:53,045 INFO L158 Benchmark]: Toolchain (without parser) took 44907.62ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 94.6MB in the beginning and 188.1MB in the end (delta: -93.5MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,045 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.67ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 84.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,046 INFO L158 Benchmark]: Boogie Preprocessor took 19.67ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 722.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,047 INFO L158 Benchmark]: RCFGBuilder took 330.27ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 72.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,047 INFO L158 Benchmark]: CodeCheck took 44186.24ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 72.6MB in the beginning and 191.5MB in the end (delta: -118.9MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,047 INFO L158 Benchmark]: Witness Printer took 82.17ms. Allocated memory is still 327.2MB. Free memory was 191.5MB in the beginning and 188.1MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,050 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: 43.6s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1726 SdHoareTripleChecker+Valid, 26.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1109 mSDsluCounter, 2419 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2109 mSDsCounter, 2757 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15595 IncrementalHoareTripleChecker+Invalid, 18352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2757 mSolverCounterUnsat, 310 mSDtfsCounter, 15595 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29961 GetRequests, 28554 SyntacticMatches, 1047 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52129 ImplicationChecksByTransitivity, 27.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 1584 NumberOfCodeBlocks, 1584 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1562 ConstructedInterpolants, 0 QuantifiedInterpolants, 3968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 5754/10164 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: 15]: 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 0.42ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.67ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 84.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.67ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 722.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.27ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 72.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 44186.24ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 72.6MB in the beginning and 191.5MB in the end (delta: -118.9MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * Witness Printer took 82.17ms. Allocated memory is still 327.2MB. Free memory was 191.5MB in the beginning and 188.1MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:20:53,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41555337-a058-448c-9739-11dc935bc841/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE