./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test11.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_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3 --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 eff30860b93e12e0f427a39d6e133ecae4dea669b3383f2efa9b7561bb59ead3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:50:14,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:50:14,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:50:14,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:50:14,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:50:14,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:50:14,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:50:14,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:50:14,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:50:14,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:50:14,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:50:14,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:50:14,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:50:14,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:50:14,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:50:14,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:50:14,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:50:14,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:50:14,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:50:14,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:50:14,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:50:14,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:50:14,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:50:14,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:50:14,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:50:14,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:50:14,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:50:14,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:14,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:50:14,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:50:14,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:50:14,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:50:14,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:50:14,503 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_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3 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 -> eff30860b93e12e0f427a39d6e133ecae4dea669b3383f2efa9b7561bb59ead3 [2024-11-25 02:50:14,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:50:14,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:50:14,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:50:14,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:50:14,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:50:14,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/test11.c [2024-11-25 02:50:17,879 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/data/72f6ceee7/81c523da70394c0b97f6d7990ca4035f/FLAG8b0f4c8f9 [2024-11-25 02:50:18,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:50:18,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/sv-benchmarks/c/ldv-regression/test11.c [2024-11-25 02:50:18,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/data/72f6ceee7/81c523da70394c0b97f6d7990ca4035f/FLAG8b0f4c8f9 [2024-11-25 02:50:18,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/data/72f6ceee7/81c523da70394c0b97f6d7990ca4035f [2024-11-25 02:50:18,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:50:18,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:50:18,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:18,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:50:18,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:50:18,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205e080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18, skipping insertion in model container [2024-11-25 02:50:18,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:50:18,676 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_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/sv-benchmarks/c/ldv-regression/test11.c[823,836] [2024-11-25 02:50:18,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:18,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:50:18,711 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_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/sv-benchmarks/c/ldv-regression/test11.c[823,836] [2024-11-25 02:50:18,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:18,731 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:50:18,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18 WrapperNode [2024-11-25 02:50:18,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:18,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:18,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:50:18,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:50:18,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,772 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-25 02:50:18,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:18,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:50:18,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:50:18,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:50:18,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:50:18,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:50:18,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:50:18,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:50:18,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:18" (1/1) ... [2024-11-25 02:50:18,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:18,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:50:18,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:50:18,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:50:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:50:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:50:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:50:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:50:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:50:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:50:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:50:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:50:18,960 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:50:18,962 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:50:19,098 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 02:50:19,098 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:50:19,214 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:50:19,215 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:50:19,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:19 BoogieIcfgContainer [2024-11-25 02:50:19,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:50:19,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:50:19,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:50:19,227 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:50:19,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:19" (1/1) ... [2024-11-25 02:50:19,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:50:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:50:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:50:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:50:19,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-25 02:50:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-25 02:50:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:50:19,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2024-11-25 02:50:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-11-25 02:50:20,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:50:20,151 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 02:50:20,159 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:50:20,186 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:50:20,186 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:50:20,187 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 14 34) the Hoare annotation is: true [2024-11-25 02:50:20,187 INFO L77 FloydHoareUtils]: At program point L26(lines 26 28) the Hoare annotation is: (= 60 |ULTIMATE.start_main_#t~mem13#1|) [2024-11-25 02:50:20,187 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2024-11-25 02:50:20,187 INFO L75 FloydHoareUtils]: For program point main_ERROR#1(line 32) no Hoare annotation was computed. [2024-11-25 02:50:20,187 INFO L77 FloydHoareUtils]: At program point L20-2(lines 20 23) the Hoare annotation is: (and (not |ULTIMATE.start_main_#t~short12#1|) (= |ULTIMATE.start_main_~#c~0#1.offset| |ULTIMATE.start_main_~pc~0#1.offset|) (= |ULTIMATE.start_main_~pc~0#1.base| |ULTIMATE.start_main_~#c~0#1.base|)) [2024-11-25 02:50:20,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:50:20 ImpRootNode [2024-11-25 02:50:20,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:50:20,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:50:20,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:50:20,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:50:20,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:19" (3/4) ... [2024-11-25 02:50:20,205 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:50:20,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 02:50:20,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:50:20,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:50:20,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:50:20,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:50:20,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:50:20,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:50:20,308 INFO L158 Benchmark]: Toolchain (without parser) took 1838.53ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 108.0MB in the end (delta: 9.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-25 02:50:20,308 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:20,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.29ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:20,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.08ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:20,309 INFO L158 Benchmark]: Boogie Preprocessor took 32.80ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.4MB in the end (delta: 714.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:20,309 INFO L158 Benchmark]: RCFGBuilder took 408.02ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 88.2MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:20,310 INFO L158 Benchmark]: CodeCheck took 983.83ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 112.5MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:20,313 INFO L158 Benchmark]: Witness Printer took 103.71ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 108.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:20,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 32]: 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 0.80ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.29ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.08ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.80ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.4MB in the end (delta: 714.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 408.02ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 88.2MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 983.83ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 112.5MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.71ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 108.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:50:20,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e27682-ae6e-4fcb-a9c7-7c135ef0f25a/bin/ukojak-verify-ENZ3QT5qd3/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