./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label13.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_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/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_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/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_13e70049-ed5d-455b-a7f3-ed272718e82c/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 29c272f94fc98eecb70c8e165b01acafdc9b1cf1c8d08d69100d178e45ed1c97 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:24:04,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:24:04,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:24:04,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:24:04,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:24:04,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:24:04,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:24:04,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:24:04,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:24:04,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:24:04,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:24:04,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:24:04,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:24:04,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:24:04,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:24:04,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:24:04,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:24:04,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:24:04,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:24:04,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:24:04,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:24:04,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:24:04,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:24:04,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:24:04,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:24:04,666 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:24:04,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:24:04,666 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_13e70049-ed5d-455b-a7f3-ed272718e82c/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 -> 29c272f94fc98eecb70c8e165b01acafdc9b1cf1c8d08d69100d178e45ed1c97 [2024-11-25 02:24:04,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:24:05,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:24:05,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:24:05,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:24:05,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:24:05,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label13.c [2024-11-25 02:24:08,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/data/d218159c8/3b3932575a7f49d1bb0f019f60d5b00e/FLAG98b99935a [2024-11-25 02:24:08,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:24:08,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/sv-benchmarks/c/eca-rers2012/Problem10_label13.c [2024-11-25 02:24:08,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/data/d218159c8/3b3932575a7f49d1bb0f019f60d5b00e/FLAG98b99935a [2024-11-25 02:24:08,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/data/d218159c8/3b3932575a7f49d1bb0f019f60d5b00e [2024-11-25 02:24:08,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:24:08,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:24:08,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:24:08,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:24:08,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:24:08,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:24:08" (1/1) ... [2024-11-25 02:24:08,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77223b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:08, skipping insertion in model container [2024-11-25 02:24:08,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:24:08" (1/1) ... [2024-11-25 02:24:08,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:24:08,808 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_13e70049-ed5d-455b-a7f3-ed272718e82c/sv-benchmarks/c/eca-rers2012/Problem10_label13.c[6334,6347] [2024-11-25 02:24:08,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:24:08,955 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:24:08,981 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_13e70049-ed5d-455b-a7f3-ed272718e82c/sv-benchmarks/c/eca-rers2012/Problem10_label13.c[6334,6347] [2024-11-25 02:24:09,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:24:09,060 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:24:09,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09 WrapperNode [2024-11-25 02:24:09,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:24:09,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:24:09,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:24:09,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:24:09,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,158 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 02:24:09,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:24:09,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:24:09,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:24:09,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:24:09,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:24:09,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:24:09,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:24:09,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:24:09,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:09" (1/1) ... [2024-11-25 02:24:09,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:24:09,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:24:09,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:24:09,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:24:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:24:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:24:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:24:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:24:09,407 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:24:09,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:24:10,947 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 02:24:10,947 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:24:14,000 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:24:14,001 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:24:14,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:24:14 BoogieIcfgContainer [2024-11-25 02:24:14,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:24:14,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:24:14,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:24:14,012 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:24:14,012 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:24:14" (1/1) ... [2024-11-25 02:24:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:24:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 02:24:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 02:24:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:24:14,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:14,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:14,366 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 02:24:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 02:24:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 02:24:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:24:14,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:14,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:24:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 02:24:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 02:24:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:24:27,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:24:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-25 02:24:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-25 02:24:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:24:46,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:46,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:25:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 74 transitions. [2024-11-25 02:25:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 74 transitions. [2024-11-25 02:25:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:25:07,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:07,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:25:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:29:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2024-11-25 02:29:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2024-11-25 02:29:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:29:22,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:22,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:29:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2024-11-25 02:29:36,057 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-25 02:29:36,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:29:36,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:36,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 02:29:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2024-11-25 02:29:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2024-11-25 02:29:51,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:29:51,149 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 02:29:51,157 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:29:51,709 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 218 ~a1~0) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 02:29:51,709 INFO L77 FloydHoareUtils]: At program point L175-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 218 ~a1~0) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 02:29:51,709 INFO L77 FloydHoareUtils]: At program point L178-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 218 ~a1~0) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 02:29:51,709 INFO L75 FloydHoareUtils]: For program point L179(line 179) no Hoare annotation was computed. [2024-11-25 02:29:51,709 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 02:29:51,710 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:29:51,710 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:29:51,710 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 218 ~a1~0) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 02:29:51,710 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2024-11-25 02:29:51,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:29:51 ImpRootNode [2024-11-25 02:29:51,723 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:29:51,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:29:51,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:29:51,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:29:51,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:24:14" (3/4) ... [2024-11-25 02:29:51,727 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:29:51,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 02:29:51,744 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:29:51,746 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:29:51,747 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:29:51,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:29:51,928 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:29:51,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:29:51,932 INFO L158 Benchmark]: Toolchain (without parser) took 343406.30ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 91.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 188.5MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,933 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:51,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.25ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.8MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.71ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 56.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,934 INFO L158 Benchmark]: Boogie Preprocessor took 95.74ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 51.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,934 INFO L158 Benchmark]: RCFGBuilder took 4745.97ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 51.4MB in the beginning and 139.1MB in the end (delta: -87.7MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,936 INFO L158 Benchmark]: CodeCheck took 337720.91ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 139.1MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,936 INFO L158 Benchmark]: Witness Printer took 205.00ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.5GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:51,939 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 337.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 315 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 279 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 838 IncrementalHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 121 mSDtfsCounter, 838 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 973 GetRequests, 825 SyntacticMatches, 42 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5692 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 330.7s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 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: 179]: 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 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((a19 != 6) || (218 < a1)) || (a1 < 39)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((a19 != 6) || (218 < a1)) || (a1 < 39)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.25ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.8MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.71ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 56.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.74ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 51.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4745.97ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 51.4MB in the beginning and 139.1MB in the end (delta: -87.7MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. * CodeCheck took 337720.91ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 139.1MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Witness Printer took 205.00ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.5GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:29:51,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e70049-ed5d-455b-a7f3-ed272718e82c/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