./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.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_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/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_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/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_157bac99-5928-48b4-a319-8c8da2d2dc83/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 eb3589f7ac8cc36dbc174674ff662c7d01ff9c6a634a07252076bdde63255d7d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:22:51,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:22:51,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:22:51,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:22:51,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:22:51,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:22:51,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:22:51,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:22:51,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:22:51,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:22:51,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:22:51,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:22:51,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:22:51,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:22:51,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:22:51,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:22:51,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:22:51,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:22:51,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:22:51,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:22:51,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:22:51,589 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:22:51,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:22:51,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:22:51,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:22:51,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:22:51,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:22:51,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:51,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:22:51,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:22:51,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:22:51,590 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:22:51,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:22:51,590 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_157bac99-5928-48b4-a319-8c8da2d2dc83/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 -> eb3589f7ac8cc36dbc174674ff662c7d01ff9c6a634a07252076bdde63255d7d [2024-11-25 05:22:51,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:22:51,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:22:51,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:22:51,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:22:51,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:22:51,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2024-11-25 05:22:54,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/data/56ce04313/b536532cb86246c4bc58fca02c1425e4/FLAG8e2eac510 [2024-11-25 05:22:55,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:22:55,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2024-11-25 05:22:55,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/data/56ce04313/b536532cb86246c4bc58fca02c1425e4/FLAG8e2eac510 [2024-11-25 05:22:55,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/data/56ce04313/b536532cb86246c4bc58fca02c1425e4 [2024-11-25 05:22:55,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:22:55,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:22:55,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:55,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:22:55,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:22:55,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:55" (1/1) ... [2024-11-25 05:22:55,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167eaf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:55, skipping insertion in model container [2024-11-25 05:22:55,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:55" (1/1) ... [2024-11-25 05:22:55,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:22:55,667 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_157bac99-5928-48b4-a319-8c8da2d2dc83/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2024-11-25 05:22:55,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:55,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:22:55,918 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_157bac99-5928-48b4-a319-8c8da2d2dc83/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2024-11-25 05:22:55,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:56,018 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:22:56,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56 WrapperNode [2024-11-25 05:22:56,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:56,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:56,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:22:56,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:22:56,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,139 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 05:22:56,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:56,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:22:56,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:22:56,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:22:56,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:22:56,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:22:56,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:22:56,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:22:56,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:56" (1/1) ... [2024-11-25 05:22:56,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:56,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:22:56,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:22:56,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:22:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:22:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:22:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:22:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:22:56,422 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:22:56,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:22:57,826 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 05:22:57,826 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:23:00,927 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:23:00,928 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:23:00,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:00 BoogieIcfgContainer [2024-11-25 05:23:00,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:23:00,929 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:23:00,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:23:00,941 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:23:00,942 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:00" (1/1) ... [2024-11-25 05:23:00,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:23:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 05:23:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 05:23:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:01,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:01,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:01,412 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 05:23:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 05:23:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 05:23:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:23:01,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:01,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:14,911 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 05:23:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 05:23:15,825 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 05:23:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:23:15,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:37,635 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 05:23:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-25 05:23:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-25 05:23:38,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:23:38,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:38,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:51,245 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 05:23:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:52,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2024-11-25 05:23:52,141 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2024-11-25 05:23:52,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:23:52,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:24:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-25 05:24:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 05:24:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:24:05,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:05,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 05:24:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-25 05:24:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-25 05:24:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:24:22,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:22,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:36,882 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 05:24:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2024-11-25 05:24:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2024-11-25 05:24:37,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:24:37,504 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 05:24:37,512 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:24:37,966 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-25 05:24:37,966 INFO L77 FloydHoareUtils]: At program point L112-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-25 05:24:37,966 INFO L77 FloydHoareUtils]: At program point L115-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-25 05:24:37,966 INFO L75 FloydHoareUtils]: For program point L116(line 116) no Hoare annotation was computed. [2024-11-25 05:24:37,966 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 05:24:37,967 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:24:37,967 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:24:37,967 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-25 05:24:37,968 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2024-11-25 05:24:37,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:24:37 ImpRootNode [2024-11-25 05:24:37,986 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:24:37,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:24:37,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:24:37,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:24:37,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:00" (3/4) ... [2024-11-25 05:24:37,995 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:24:38,025 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 05:24:38,026 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 05:24:38,029 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:24:38,030 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:24:38,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:24:38,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:24:38,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:24:38,201 INFO L158 Benchmark]: Toolchain (without parser) took 102828.58ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 92.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 694.9MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,202 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:38,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.47ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 65.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.78ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 58.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,204 INFO L158 Benchmark]: Boogie Preprocessor took 125.52ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 53.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,205 INFO L158 Benchmark]: RCFGBuilder took 4661.56ms. Allocated memory was 117.4MB in the beginning and 553.6MB in the end (delta: 436.2MB). Free memory was 53.0MB in the beginning and 422.6MB in the end (delta: -369.6MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,206 INFO L158 Benchmark]: CodeCheck took 97056.96ms. Allocated memory was 553.6MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 422.6MB in the beginning and 1.3GB in the end (delta: -871.0MB). Peak memory consumption was 584.1MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,207 INFO L158 Benchmark]: Witness Printer took 211.34ms. Allocated memory is still 2.0GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:24:38,210 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: 96.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 259 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 105 mSDtfsCounter, 637 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 976 GetRequests, 827 SyntacticMatches, 55 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4119 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 90.1s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 1023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 64/127 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: 116]: 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: (((14 == a4) && (a12 == 0)) && (((a10 != 2) || (a1 < 219)) || (7 != a19))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 2) || (a1 < 219)) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.47ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 65.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.78ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 58.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.52ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 53.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4661.56ms. Allocated memory was 117.4MB in the beginning and 553.6MB in the end (delta: 436.2MB). Free memory was 53.0MB in the beginning and 422.6MB in the end (delta: -369.6MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. * CodeCheck took 97056.96ms. Allocated memory was 553.6MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 422.6MB in the beginning and 1.3GB in the end (delta: -871.0MB). Peak memory consumption was 584.1MB. Max. memory is 16.1GB. * Witness Printer took 211.34ms. Allocated memory is still 2.0GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:24:38,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_157bac99-5928-48b4-a319-8c8da2d2dc83/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