./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.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_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/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_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/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_2c07c908-5916-4dc8-b185-f9389a0d1d95/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 dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:39:05,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:39:05,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:39:05,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:39:05,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:39:05,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:39:05,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:39:05,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:39:05,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:39:05,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:39:05,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:39:05,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:39:05,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:39:05,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:39:05,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:39:05,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:39:05,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:39:05,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:39:05,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:39:05,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:05,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:39:05,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:39:05,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:39:05,283 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:39:05,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:39:05,284 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_2c07c908-5916-4dc8-b185-f9389a0d1d95/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 -> dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d [2024-11-13 20:39:05,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:39:05,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:39:05,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:39:05,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:39:05,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:39:05,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c Unable to find full path for "g++" [2024-11-13 20:39:07,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:39:08,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:39:08,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2024-11-13 20:39:08,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/data/aee7dfc2c/75273e127cc648df8458506ea6016fdd/FLAG153e46112 [2024-11-13 20:39:08,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/data/aee7dfc2c/75273e127cc648df8458506ea6016fdd [2024-11-13 20:39:08,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:39:08,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:39:08,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:08,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:39:08,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:39:08,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:08" (1/1) ... [2024-11-13 20:39:08,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cf7ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:08, skipping insertion in model container [2024-11-13 20:39:08,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:08" (1/1) ... [2024-11-13 20:39:08,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:39:08,691 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_2c07c908-5916-4dc8-b185-f9389a0d1d95/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2024-11-13 20:39:08,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:08,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:39:09,009 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_2c07c908-5916-4dc8-b185-f9389a0d1d95/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2024-11-13 20:39:09,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:09,131 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:39:09,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09 WrapperNode [2024-11-13 20:39:09,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:09,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:09,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:39:09,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:39:09,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,254 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 20:39:09,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:09,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:39:09,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:39:09,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:39:09,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:39:09,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:39:09,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:39:09,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:39:09,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:09" (1/1) ... [2024-11-13 20:39:09,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:09,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:39:09,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:39:09,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:39:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:39:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:39:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:39:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:39:09,523 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:39:09,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:39:11,403 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 20:39:11,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:39:14,948 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:39:14,948 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:39:14,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:14 BoogieIcfgContainer [2024-11-13 20:39:14,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:39:14,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:39:14,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:39:14,964 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:39:14,964 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:14" (1/1) ... [2024-11-13 20:39:14,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:39:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 20:39:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 20:39:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:39:15,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:15,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:15,373 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 20:39:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 20:39:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 20:39:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:39:15,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:15,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:33,500 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 20:39:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 20:39:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 20:39:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:39:34,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:48,598 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 20:39:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2024-11-13 20:39:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2024-11-13 20:39:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:39:50,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:50,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:13,879 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 20:40:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-11-13 20:40:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-11-13 20:40:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:40:15,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:15,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:28,457 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 20:40:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-13 20:40:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-13 20:40:29,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:40:29,731 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 20:40:29,746 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:40:30,326 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 20:40:30,327 INFO L77 FloydHoareUtils]: At program point L187-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (or (not (= ~a19~0 6)) (not (= ~a10~0 0))) .cse1) (and (< 23 ~a1~0) (< ~a1~0 219) .cse0 .cse1))) [2024-11-13 20:40:30,327 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 20:40:30,327 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:40:30,327 INFO L77 FloydHoareUtils]: At program point L190-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 20:40:30,327 INFO L75 FloydHoareUtils]: For program point L191(line 191) no Hoare annotation was computed. [2024-11-13 20:40:30,328 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:40:30,328 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 20:40:30,328 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2024-11-13 20:40:30,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:40:30 ImpRootNode [2024-11-13 20:40:30,346 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:40:30,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:40:30,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:40:30,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:40:30,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:14" (3/4) ... [2024-11-13 20:40:30,352 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:40:30,373 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-13 20:40:30,375 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 20:40:30,376 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:40:30,378 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:40:30,606 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:40:30,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:40:30,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:40:30,608 INFO L158 Benchmark]: Toolchain (without parser) took 82304.65ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 116.5MB in the beginning and 977.1MB in the end (delta: -860.6MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 20:40:30,608 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:40:30,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.54ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 89.1MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:40:30,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.20ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 81.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:40:30,610 INFO L158 Benchmark]: Boogie Preprocessor took 79.51ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 76.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:40:30,610 INFO L158 Benchmark]: RCFGBuilder took 5613.00ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 76.9MB in the beginning and 264.3MB in the end (delta: -187.5MB). Peak memory consumption was 233.7MB. Max. memory is 16.1GB. [2024-11-13 20:40:30,611 INFO L158 Benchmark]: CodeCheck took 75395.23ms. Allocated memory was 427.8MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 264.3MB in the beginning and 989.7MB in the end (delta: -725.3MB). Peak memory consumption was 897.7MB. Max. memory is 16.1GB. [2024-11-13 20:40:30,615 INFO L158 Benchmark]: Witness Printer took 259.94ms. Allocated memory is still 2.0GB. Free memory was 989.7MB in the beginning and 977.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:40:30,617 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: 74.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 344 IncrementalHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 65 mSDtfsCounter, 344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 457 SyntacticMatches, 15 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2686 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 69.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 16/44 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: 191]: 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) || (a1 < 219)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a1 < 219)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.54ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 89.1MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.20ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 81.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.51ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 76.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5613.00ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 76.9MB in the beginning and 264.3MB in the end (delta: -187.5MB). Peak memory consumption was 233.7MB. Max. memory is 16.1GB. * CodeCheck took 75395.23ms. Allocated memory was 427.8MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 264.3MB in the beginning and 989.7MB in the end (delta: -725.3MB). Peak memory consumption was 897.7MB. Max. memory is 16.1GB. * Witness Printer took 259.94ms. Allocated memory is still 2.0GB. Free memory was 989.7MB in the beginning and 977.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:40:30,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c908-5916-4dc8-b185-f9389a0d1d95/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