./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.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_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/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_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/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_b47f47fc-15c3-486c-9fc1-b6e94712a387/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 1be5a7d97aa41e02c549ddce0b54861696e25bfa9b91d41dbf151eb81f7686c7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:13,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:13,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:13:13,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:13:13,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:13:13,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:13,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:13,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:13,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:13,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:13,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:13,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:13,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:13:13,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:13,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:13,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:13,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:13,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:13,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:13,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:13,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:13,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:13,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:13,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:13:13,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:13:13,492 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_b47f47fc-15c3-486c-9fc1-b6e94712a387/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 -> 1be5a7d97aa41e02c549ddce0b54861696e25bfa9b91d41dbf151eb81f7686c7 [2024-11-13 21:13:13,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:13,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:13,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:13,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:13,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:13,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c Unable to find full path for "g++" [2024-11-13 21:13:15,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:16,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:16,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-11-13 21:13:16,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/data/7ea53c172/cc318ca61b71480e80e5ddb116e383a7/FLAGd5c08dfee [2024-11-13 21:13:16,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/data/7ea53c172/cc318ca61b71480e80e5ddb116e383a7 [2024-11-13 21:13:16,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:16,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:16,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:16,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:16,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:16,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7898b8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16, skipping insertion in model container [2024-11-13 21:13:16,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:16,322 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_b47f47fc-15c3-486c-9fc1-b6e94712a387/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-11-13 21:13:16,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:16,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:16,353 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_b47f47fc-15c3-486c-9fc1-b6e94712a387/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-11-13 21:13:16,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:16,369 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:16,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16 WrapperNode [2024-11-13 21:13:16,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:16,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:16,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:16,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:16,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,401 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-13 21:13:16,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:16,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:16,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:16,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:16,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:16,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:16,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:16,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:16,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:16,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:16,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:13:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-13 21:13:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-13 21:13:16,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:16,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:16,687 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:16,687 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:16,720 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:16,720 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:13:16,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:16 BoogieIcfgContainer [2024-11-13 21:13:16,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:16,722 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:16,722 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:16,733 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:16,733 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:16" (1/1) ... [2024-11-13 21:13:16,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:13:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:13:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:13:16,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:17,112 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 21:13:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2024-11-13 21:13:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:13:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:17,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:17,348 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 21:13:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2024-11-13 21:13:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 21:13:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:13:17,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:17,753 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 21:13:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2024-11-13 21:13:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:13:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:13:17,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:17,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,133 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 21:13:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2024-11-13 21:13:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-13 21:13:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:13:18,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:18,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,519 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 21:13:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 28 states and 44 transitions. [2024-11-13 21:13:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-11-13 21:13:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:13:18,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:18,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,306 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 21:13:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 94 transitions. [2024-11-13 21:13:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-13 21:13:22,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:13:22,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:22,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-13 21:13:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 29 states and 31 transitions. [2024-11-13 21:13:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-13 21:13:24,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:13:24,131 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 21:13:24,149 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:13:24,272 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:13:24,272 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: true [2024-11-13 21:13:24,273 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: true [2024-11-13 21:13:24,273 INFO L77 FloydHoareUtils]: At program point L14(lines 14 16) the Hoare annotation is: true [2024-11-13 21:13:24,273 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= 5 |ULTIMATE.start_main_~input~0#1|) (<= |ULTIMATE.start_main_~input~0#1| 5)) [2024-11-13 21:13:24,273 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-13 21:13:24,273 INFO L77 FloydHoareUtils]: At program point L11(lines 11 17) the Hoare annotation is: true [2024-11-13 21:13:24,274 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:13:24,274 INFO L77 FloydHoareUtils]: At program point idFINAL(lines 6 9) the Hoare annotation is: true [2024-11-13 21:13:24,274 INFO L77 FloydHoareUtils]: At program point idEXIT(lines 6 9) the Hoare annotation is: true [2024-11-13 21:13:24,274 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 9) the Hoare annotation is: true [2024-11-13 21:13:24,274 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 21:13:24,274 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 21:13:24,274 INFO L77 FloydHoareUtils]: At program point L8-1(line 8) the Hoare annotation is: true [2024-11-13 21:13:24,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:24 ImpRootNode [2024-11-13 21:13:24,284 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:24,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:24,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:24,285 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:24,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:16" (3/4) ... [2024-11-13 21:13:24,288 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:13:24,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-13 21:13:24,295 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 21:13:24,295 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:13:24,295 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:13:24,295 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:13:24,367 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:13:24,368 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:13:24,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:24,369 INFO L158 Benchmark]: Toolchain (without parser) took 8252.76ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 119.6MB in the beginning and 140.0MB in the end (delta: -20.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,369 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.16ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.07ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 107.9MB in the end (delta: 925.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,370 INFO L158 Benchmark]: Boogie Preprocessor took 21.34ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.4MB in the end (delta: 481.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,371 INFO L158 Benchmark]: RCFGBuilder took 296.95ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 97.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,371 INFO L158 Benchmark]: CodeCheck took 7562.08ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 97.4MB in the beginning and 145.4MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,371 INFO L158 Benchmark]: Witness Printer took 83.23ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 140.0MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,373 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: 7.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 234 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1130 IncrementalHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 100 mSDtfsCounter, 1130 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2101 GetRequests, 1909 SyntacticMatches, 72 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5044 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 204/294 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 0.67ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.16ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.07ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 107.9MB in the end (delta: 925.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.34ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.4MB in the end (delta: 481.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.95ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 97.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 7562.08ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 97.4MB in the beginning and 145.4MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.23ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 140.0MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:13:24,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47f47fc-15c3-486c-9fc1-b6e94712a387/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