./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label19.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_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/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_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/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_05f6ad1a-4972-40c0-9b93-0cab493b8566/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 9b09a0fefbe5958e3921329b980c8e1375b708e4803fba0d8e1dfc742c64b031 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:02,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:02,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:22:02,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:22:02,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:22:02,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:02,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:02,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:02,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:02,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:02,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:02,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:02,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:02,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:02,649 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:02,649 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:02,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:02,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:02,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:02,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:02,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:02,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:02,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:22:02,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:22:02,650 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_05f6ad1a-4972-40c0-9b93-0cab493b8566/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 -> 9b09a0fefbe5958e3921329b980c8e1375b708e4803fba0d8e1dfc742c64b031 [2024-11-13 23:22:02,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:02,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:02,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:02,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:02,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:02,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c Unable to find full path for "g++" [2024-11-13 23:22:04,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:05,319 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:05,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/sv-benchmarks/c/eca-rers2012/Problem16_label19.c [2024-11-13 23:22:05,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/data/7a5858e00/0e7b63b69cca4994b5a1620713c6e04d/FLAG81af0feee [2024-11-13 23:22:05,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/data/7a5858e00/0e7b63b69cca4994b5a1620713c6e04d [2024-11-13 23:22:05,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:05,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:05,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:05,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:05,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:05,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:05" (1/1) ... [2024-11-13 23:22:05,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3676a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:05, skipping insertion in model container [2024-11-13 23:22:05,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:05" (1/1) ... [2024-11-13 23:22:05,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:05,664 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_05f6ad1a-4972-40c0-9b93-0cab493b8566/sv-benchmarks/c/eca-rers2012/Problem16_label19.c[4623,4636] [2024-11-13 23:22:06,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:06,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:06,102 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_05f6ad1a-4972-40c0-9b93-0cab493b8566/sv-benchmarks/c/eca-rers2012/Problem16_label19.c[4623,4636] [2024-11-13 23:22:06,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:06,369 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:06,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06 WrapperNode [2024-11-13 23:22:06,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:06,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:06,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:06,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:06,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,577 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-11-13 23:22:06,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:06,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:06,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:06,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:06,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:06,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:06,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:06,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:06,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:06" (1/1) ... [2024-11-13 23:22:06,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:06,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:06,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:06,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f6ad1a-4972-40c0-9b93-0cab493b8566/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:22:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:06,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:06,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:09,934 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:09,934 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:24,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:24,771 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:22:24,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:24 BoogieIcfgContainer [2024-11-13 23:22:24,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:24,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:24,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:24,784 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:24,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:24" (1/1) ... [2024-11-13 23:22:24,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 23:22:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 23:22:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:22:24,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:24,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:25,235 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 23:22:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 23:22:25,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 23:22:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:22:25,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:25,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat