./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/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_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/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_4d0b8342-059c-48a0-97dd-9ce1af49562e/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 f760d06abb26d5723ce99b8dc28d6dd16ec1947aefbd90d28b2817b55d29a0fc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:49,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:49,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:05:49,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:05:49,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:05:49,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:49,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:49,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:49,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:49,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:49,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:49,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:49,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:05:49,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:05:49,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:05:49,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:49,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:49,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:49,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:49,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:49,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:05:49,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:50,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:50,009 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:50,009 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:50,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:50,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:50,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:50,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:50,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:50,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:50,011 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:05:50,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:05:50,011 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_4d0b8342-059c-48a0-97dd-9ce1af49562e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f760d06abb26d5723ce99b8dc28d6dd16ec1947aefbd90d28b2817b55d29a0fc [2024-11-08 23:05:50,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:50,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:50,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:50,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:50,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:50,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c Unable to find full path for "g++" [2024-11-08 23:05:52,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:52,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:52,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/sv-benchmarks/c/eca-rers2012/Problem10_label38.c [2024-11-08 23:05:52,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/data/a28403a4e/04ae6adcfe7548d0a155344b06640832/FLAG28c44450c [2024-11-08 23:05:52,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/data/a28403a4e/04ae6adcfe7548d0a155344b06640832 [2024-11-08 23:05:52,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:52,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:52,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:52,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:52,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:52,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:52" (1/1) ... [2024-11-08 23:05:52,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69dd0082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:52, skipping insertion in model container [2024-11-08 23:05:52,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:52" (1/1) ... [2024-11-08 23:05:53,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:53,248 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_4d0b8342-059c-48a0-97dd-9ce1af49562e/sv-benchmarks/c/eca-rers2012/Problem10_label38.c[3802,3815] [2024-11-08 23:05:53,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:53,474 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:53,516 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_4d0b8342-059c-48a0-97dd-9ce1af49562e/sv-benchmarks/c/eca-rers2012/Problem10_label38.c[3802,3815] [2024-11-08 23:05:53,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:53,684 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:53,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53 WrapperNode [2024-11-08 23:05:53,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:53,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:53,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:53,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:53,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,783 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 23:05:53,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:53,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:53,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:53,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:53,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:53,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:53,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:53,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:53,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:53,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:53,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:05:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:05:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:54,030 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:54,032 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:05:55,358 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 23:05:55,359 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:05:58,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:05:58,554 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:05:58,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:58 BoogieIcfgContainer [2024-11-08 23:05:58,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:05:58,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:05:58,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:05:58,566 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:05:58,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:58" (1/1) ... [2024-11-08 23:05:58,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:05:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:05:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:05:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:05:58,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:59,017 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 23:05:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 23:05:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 23:05:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:05:59,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:59,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:13,670 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 23:06:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-08 23:06:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-08 23:06:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:06:14,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:14,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:36,018 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 23:06:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-08 23:06:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-08 23:06:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:06:37,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:37,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:06:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2024-11-08 23:06:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2024-11-08 23:06:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:06:50,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:50,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:07:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2024-11-08 23:07:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-11-08 23:07:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:07:04,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:04,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:07:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-11-08 23:07:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-08 23:07:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:07:17,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:07:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2024-11-08 23:07:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-11-08 23:07:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:07:32,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 23:07:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2024-11-08 23:07:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2024-11-08 23:07:48,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:07:48,024 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 23:07:48,033 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:07:48,451 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 23:07:48,451 INFO L77 FloydHoareUtils]: At program point L106-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 23:07:48,451 INFO L77 FloydHoareUtils]: At program point L109-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 23:07:48,452 INFO L75 FloydHoareUtils]: For program point L110(line 110) no Hoare annotation was computed. [2024-11-08 23:07:48,452 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 23:07:48,452 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:07:48,452 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:07:48,452 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 23:07:48,453 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2024-11-08 23:07:48,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:07:48 ImpRootNode [2024-11-08 23:07:48,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:07:48,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:07:48,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:07:48,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:07:48,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:58" (3/4) ... [2024-11-08 23:07:48,470 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:07:48,492 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-08 23:07:48,493 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 23:07:48,494 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:07:48,495 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:07:48,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:07:48,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:07:48,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:07:48,652 INFO L158 Benchmark]: Toolchain (without parser) took 115745.62ms. Allocated memory was 127.9MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 63.5MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 307.5MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,652 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:48,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.22ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 63.2MB in the beginning and 113.1MB in the end (delta: -49.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.11ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 104.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,653 INFO L158 Benchmark]: Boogie Preprocessor took 92.13ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 100.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,654 INFO L158 Benchmark]: RCFGBuilder took 4676.77ms. Allocated memory was 172.0MB in the beginning and 287.3MB in the end (delta: 115.3MB). Free memory was 100.0MB in the beginning and 113.4MB in the end (delta: -13.5MB). Peak memory consumption was 150.2MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,654 INFO L158 Benchmark]: CodeCheck took 109910.46ms. Allocated memory was 287.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 113.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 182.9MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,654 INFO L158 Benchmark]: Witness Printer took 184.47ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:07:48,656 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: 109.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 855 IncrementalHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 126 mSDtfsCounter, 855 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1171 GetRequests, 1001 SyntacticMatches, 68 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4784 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 102.6s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 1259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 64/148 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: 110]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 4) || (a1 < 219)) || (7 != a19))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 4) || (a1 < 219)) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.22ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 63.2MB in the beginning and 113.1MB in the end (delta: -49.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.11ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 104.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.13ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 100.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4676.77ms. Allocated memory was 172.0MB in the beginning and 287.3MB in the end (delta: 115.3MB). Free memory was 100.0MB in the beginning and 113.4MB in the end (delta: -13.5MB). Peak memory consumption was 150.2MB. Max. memory is 16.1GB. * CodeCheck took 109910.46ms. Allocated memory was 287.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 113.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 182.9MB. Max. memory is 16.1GB. * Witness Printer took 184.47ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:07:48,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b8342-059c-48a0-97dd-9ce1af49562e/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