./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk --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 1c37d32a33cb40c9afe6e04b3666819154b9d70eb1819b42c10fde7907ef957d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:16:23,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:16:23,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:16:23,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:16:23,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:16:23,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:16:23,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:16:23,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:16:23,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:16:23,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:16:23,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:16:23,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:16:23,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:16:23,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:16:23,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:16:23,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:16:23,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:16:23,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:16:23,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:16:23,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:16:23,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:16:23,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:16:23,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:16:23,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:16:23,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:16:23,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:16:23,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:16:23,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:23,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:16:23,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:16:23,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:16:23,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:16:23,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:16:23,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c37d32a33cb40c9afe6e04b3666819154b9d70eb1819b42c10fde7907ef957d [2024-11-08 22:16:24,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:16:24,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:16:24,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:16:24,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:16:24,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:16:24,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label01.c Unable to find full path for "g++" [2024-11-08 22:16:26,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:16:26,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:16:26,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2024-11-08 22:16:26,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/data/3b24ccb00/bad99e97bee640ce8d1e7e738abf8af1/FLAG85d98a043 [2024-11-08 22:16:26,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/data/3b24ccb00/bad99e97bee640ce8d1e7e738abf8af1 [2024-11-08 22:16:26,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:16:26,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:16:26,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:26,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:16:26,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:16:26,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:26" (1/1) ... [2024-11-08 22:16:26,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73369292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:26, skipping insertion in model container [2024-11-08 22:16:26,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:26" (1/1) ... [2024-11-08 22:16:26,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:16:26,756 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_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/sv-benchmarks/c/eca-rers2012/Problem14_label01.c[5556,5569] [2024-11-08 22:16:26,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:27,005 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:16:27,033 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_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/sv-benchmarks/c/eca-rers2012/Problem14_label01.c[5556,5569] [2024-11-08 22:16:27,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:27,186 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:16:27,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27 WrapperNode [2024-11-08 22:16:27,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:27,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:27,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:16:27,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:16:27,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,296 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 22:16:27,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:27,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:16:27,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:16:27,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:16:27,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:16:27,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:16:27,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:16:27,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:16:27,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:27" (1/1) ... [2024-11-08 22:16:27,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:27,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:16:27,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:16:27,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:16:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:16:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:16:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:16:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:16:27,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:16:27,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:16:29,165 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 22:16:29,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:16:34,045 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:16:34,045 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:16:34,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:34 BoogieIcfgContainer [2024-11-08 22:16:34,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:16:34,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:16:34,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:16:34,057 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:16:34,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:34" (1/1) ... [2024-11-08 22:16:34,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:16:34,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:16:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:16:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:16:34,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:16:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 22:16:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 22:16:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:16:34,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:16:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-11-08 22:16:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-11-08 22:16:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:16:59,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:59,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:16:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2024-11-08 22:17:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2024-11-08 22:17:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:17:42,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:42,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:18:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2024-11-08 22:18:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2024-11-08 22:18:23,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:18:23,208 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 22:18:23,219 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:18:23,427 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (< 0 (+ ~a12~0 42)) (not (= ~a24~0 1)) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-08 22:18:23,427 INFO L77 FloydHoareUtils]: At program point L172-1(lines 30 882) the Hoare annotation is: (or (< 0 (+ ~a12~0 42)) (not (= ~a24~0 1)) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-08 22:18:23,428 INFO L77 FloydHoareUtils]: At program point L175-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 8)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-08 22:18:23,431 INFO L75 FloydHoareUtils]: For program point L176(line 176) no Hoare annotation was computed. [2024-11-08 22:18:23,432 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:18:23,432 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2024-11-08 22:18:23,432 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-08 22:18:23,432 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:18:23,432 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (< 0 (+ ~a12~0 42)) (not (= ~a24~0 1)) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-08 22:18:23,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:18:23 ImpRootNode [2024-11-08 22:18:23,457 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:18:23,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:18:23,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:18:23,460 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:18:23,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:34" (3/4) ... [2024-11-08 22:18:23,463 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:18:23,494 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-08 22:18:23,499 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 22:18:23,500 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:18:23,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:18:23,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:18:23,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:18:23,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:18:23,741 INFO L158 Benchmark]: Toolchain (without parser) took 117310.28ms. Allocated memory was 151.0MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 111.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-08 22:18:23,741 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:18:23,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.07ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 75.9MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:18:23,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.43ms. Allocated memory is still 151.0MB. Free memory was 75.9MB in the beginning and 66.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:18:23,743 INFO L158 Benchmark]: Boogie Preprocessor took 157.20ms. Allocated memory is still 151.0MB. Free memory was 66.4MB in the beginning and 113.9MB in the end (delta: -47.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-08 22:18:23,743 INFO L158 Benchmark]: RCFGBuilder took 6591.07ms. Allocated memory was 151.0MB in the beginning and 570.4MB in the end (delta: 419.4MB). Free memory was 113.9MB in the beginning and 290.2MB in the end (delta: -176.4MB). Peak memory consumption was 299.6MB. Max. memory is 16.1GB. [2024-11-08 22:18:23,744 INFO L158 Benchmark]: CodeCheck took 109410.70ms. Allocated memory was 570.4MB in the beginning and 3.2GB in the end (delta: 2.6GB). Free memory was 289.2MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 749.5MB. Max. memory is 16.1GB. [2024-11-08 22:18:23,745 INFO L158 Benchmark]: Witness Printer took 282.25ms. Allocated memory is still 3.2GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:18:23,747 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: 109.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 248 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 38 mSDtfsCounter, 248 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 370 GetRequests, 312 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 106.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 10/23 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: 176]: 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: 30]: Location Invariant Derived location invariant: ((((a24 != 1) || (a21 != 8)) || (0 < ((long long) a12 + 43))) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((0 < ((long long) a12 + 42)) || (a24 != 1)) || (a21 != 8)) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.07ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 75.9MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.43ms. Allocated memory is still 151.0MB. Free memory was 75.9MB in the beginning and 66.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.20ms. Allocated memory is still 151.0MB. Free memory was 66.4MB in the beginning and 113.9MB in the end (delta: -47.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6591.07ms. Allocated memory was 151.0MB in the beginning and 570.4MB in the end (delta: 419.4MB). Free memory was 113.9MB in the beginning and 290.2MB in the end (delta: -176.4MB). Peak memory consumption was 299.6MB. Max. memory is 16.1GB. * CodeCheck took 109410.70ms. Allocated memory was 570.4MB in the beginning and 3.2GB in the end (delta: 2.6GB). Free memory was 289.2MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 749.5MB. Max. memory is 16.1GB. * Witness Printer took 282.25ms. Allocated memory is still 3.2GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:18:23,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8fd8a1-0c97-4227-8400-a5bb7d28f50b/bin/ukojak-verify-ImItNfHLgk/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