./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:49:15,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:49:15,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:49:15,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:49:15,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:49:15,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:49:15,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:49:15,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:49:15,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:49:15,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:49:15,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:49:15,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:49:15,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:49:15,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:49:15,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:49:15,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:49:15,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:49:15,123 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:49:15,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:49:15,123 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:49:15,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:49:15,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:15,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:49:15,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:49:15,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:49:15,124 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:49:15,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:49:15,124 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_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 [2024-11-13 22:49:15,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:49:15,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:49:15,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:49:15,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:49:15,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:49:15,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c Unable to find full path for "g++" [2024-11-13 22:49:17,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:17,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:17,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2024-11-13 22:49:17,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/data/ba6a33ee7/0511292ad6614d2c9afbb06a48f2d73b/FLAG0c883ac7f [2024-11-13 22:49:17,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/data/ba6a33ee7/0511292ad6614d2c9afbb06a48f2d73b [2024-11-13 22:49:17,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:17,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:17,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:17,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:17,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:17,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4935d946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17, skipping insertion in model container [2024-11-13 22:49:17,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:17,759 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_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2024-11-13 22:49:17,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:17,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:17,933 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_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2024-11-13 22:49:18,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:18,049 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:18,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18 WrapperNode [2024-11-13 22:49:18,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:18,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:18,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:18,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:18,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,142 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:49:18,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:18,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:18,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:18,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:18,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:18,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:18,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:18,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:18,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:18,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:18,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:18,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:49:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:49:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:18,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:18,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:19,797 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:19,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:22,525 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:22,526 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:49:22,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:22 BoogieIcfgContainer [2024-11-13 22:49:22,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:22,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:22,528 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:22,537 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:22,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:22" (1/1) ... [2024-11-13 22:49:22,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:49:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:49:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:49:22,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:22,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:49:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:49:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:49:22,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 22:49:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 22:49:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:49:35,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:35,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:49:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-11-13 22:49:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-11-13 22:49:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:49:47,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:50:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:50:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:50:03,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:03,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:50:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-13 22:50:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 22:50:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:50:14,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:50:26,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-13 22:50:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-13 22:50:26,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:50:26,298 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:50:26,303 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:50:26,700 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-13 22:50:26,700 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 22:50:26,700 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:50:26,700 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:50:26,700 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-13 22:50:26,701 INFO L77 FloydHoareUtils]: At program point L163-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-13 22:50:26,701 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2024-11-13 22:50:26,701 INFO L77 FloydHoareUtils]: At program point L166-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-13 22:50:26,701 INFO L75 FloydHoareUtils]: For program point L167(line 167) no Hoare annotation was computed. [2024-11-13 22:50:26,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:50:26 ImpRootNode [2024-11-13 22:50:26,713 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:50:26,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:50:26,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:50:26,714 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:50:26,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:22" (3/4) ... [2024-11-13 22:50:26,717 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:50:26,730 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 22:50:26,731 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:50:26,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:50:26,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:50:26,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:50:26,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:50:26,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:50:26,857 INFO L158 Benchmark]: Toolchain (without parser) took 69338.39ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 91.4MB in the beginning and 702.6MB in the end (delta: -611.2MB). Peak memory consumption was 996.3MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,857 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:26,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.62ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.9MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.97ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 56.2MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,858 INFO L158 Benchmark]: Boogie Preprocessor took 75.45ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 51.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,858 INFO L158 Benchmark]: RCFGBuilder took 4307.45ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 51.7MB in the beginning and 191.4MB in the end (delta: -139.8MB). Peak memory consumption was 162.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,859 INFO L158 Benchmark]: CodeCheck took 64186.00ms. Allocated memory was 302.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 191.4MB in the beginning and 715.1MB in the end (delta: -523.7MB). Peak memory consumption was 901.1MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,859 INFO L158 Benchmark]: Witness Printer took 142.08ms. Allocated memory is still 1.7GB. Free memory was 715.1MB in the beginning and 702.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:26,861 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: 63.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 78 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 695 GetRequests, 581 SyntacticMatches, 34 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2876 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 59.5s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 28/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 167]: 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) && (((a10 != 4) || (7 != a19)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (((a10 != 4) || (7 != a19)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.62ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.9MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.97ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 56.2MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.45ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 51.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4307.45ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 51.7MB in the beginning and 191.4MB in the end (delta: -139.8MB). Peak memory consumption was 162.4MB. Max. memory is 16.1GB. * CodeCheck took 64186.00ms. Allocated memory was 302.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 191.4MB in the beginning and 715.1MB in the end (delta: -523.7MB). Peak memory consumption was 901.1MB. Max. memory is 16.1GB. * Witness Printer took 142.08ms. Allocated memory is still 1.7GB. Free memory was 715.1MB in the beginning and 702.6MB 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! [2024-11-13 22:50:26,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac3d21f-7f58-487a-bef4-fc8f587ae1d5/bin/ukojak-verify-EEHR8qb7sm/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