./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label21.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_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/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_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/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_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/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 5fa351a972cf64749c29bcaf63ee12c8e6a461f99ab329b8a720e8c423b4af17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:58:24,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:58:24,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:58:24,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:58:24,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:58:24,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:58:24,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:58:24,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:58:24,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:58:24,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:58:24,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:58:24,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:58:24,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:58:24,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:58:24,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:58:24,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:58:24,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:58:24,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:58:24,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:58:24,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:58:24,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:58:24,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:58:24,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:58:24,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:58:24,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:58:24,182 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_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/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 -> 5fa351a972cf64749c29bcaf63ee12c8e6a461f99ab329b8a720e8c423b4af17 [2024-11-13 21:58:24,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:58:24,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:58:24,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:58:24,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:58:24,539 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:58:24,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-programs/Problem101_label21.c Unable to find full path for "g++" [2024-11-13 21:58:26,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:58:28,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:58:28,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/sv-benchmarks/c/eca-programs/Problem101_label21.c [2024-11-13 21:58:28,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/data/fa8ba3bf7/79298ad9ce1b4683b533bbdcf1031bed/FLAG143df61ed [2024-11-13 21:58:28,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/data/fa8ba3bf7/79298ad9ce1b4683b533bbdcf1031bed [2024-11-13 21:58:28,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:58:28,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:58:28,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:58:28,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:58:28,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:58:28,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:28" (1/1) ... [2024-11-13 21:58:28,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30796096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:28, skipping insertion in model container [2024-11-13 21:58:28,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:28" (1/1) ... [2024-11-13 21:58:28,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:58:39,837 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_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/sv-benchmarks/c/eca-programs/Problem101_label21.c[2766627,2766640] [2024-11-13 21:58:39,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:58:39,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:58:46,252 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_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/sv-benchmarks/c/eca-programs/Problem101_label21.c[2766627,2766640] [2024-11-13 21:58:46,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:58:47,448 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:58:47,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47 WrapperNode [2024-11-13 21:58:47,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:58:47,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:58:47,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:58:47,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:58:47,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:48,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:52,256 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83825 [2024-11-13 21:58:52,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:58:52,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:58:52,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:58:52,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:58:52,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:52,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:52,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:52,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:53,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:54,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:54,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:54,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:54,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:58:54,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:58:54,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:58:54,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:58:54,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:47" (1/1) ... [2024-11-13 21:58:54,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:58:54,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:58:54,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:58:55,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a018b2-ec6b-4bc8-81f6-ac70337d49c3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:58:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:58:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:58:55,430 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:58:55,432 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:59:43,867 INFO L? ?]: Removed 10238 outVars from TransFormulas that were not future-live. [2024-11-13 21:59:43,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:59:44,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:59:44,988 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:59:44,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:44 BoogieIcfgContainer [2024-11-13 21:59:44,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:59:44,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:59:44,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:59:45,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:59:45,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:44" (1/1) ... [2024-11-13 21:59:45,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:59:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-13 21:59:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-13 21:59:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-13 21:59:46,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat