./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL --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 fce4586b8eef73581e64836a69ff6e42e806935f8b2eeda884def60b5efa303d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:45,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:45,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:45,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:45,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:45,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:45,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:45,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:45,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:45,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:45,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:45,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:45,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:45,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:45,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:45,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:45,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:45,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:45,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:45,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:45,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:45,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:45,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:45,909 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:45,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:45,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:45,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:45,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:45,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:45,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:45,913 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:45,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:45,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:45,914 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_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fce4586b8eef73581e64836a69ff6e42e806935f8b2eeda884def60b5efa303d [2023-11-19 02:52:46,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:46,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:46,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:46,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:46,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:46,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-56.i [2023-11-19 02:52:49,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:49,660 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:49,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-56.i [2023-11-19 02:52:49,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/data/8398271e6/08e710ef4fee45b5a6fd7088f5f6c266/FLAGb44d9e062 [2023-11-19 02:52:49,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/data/8398271e6/08e710ef4fee45b5a6fd7088f5f6c266 [2023-11-19 02:52:49,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:49,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:49,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:49,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:49,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:49,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72cdf2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49, skipping insertion in model container [2023-11-19 02:52:49,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:49,895 WARN L240 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_f1693326-d8ef-4eaa-9705-1908ef3c12b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-56.i[919,932] [2023-11-19 02:52:50,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:50,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:50,032 WARN L240 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_f1693326-d8ef-4eaa-9705-1908ef3c12b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-56.i[919,932] [2023-11-19 02:52:50,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:50,156 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:50,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50 WrapperNode [2023-11-19 02:52:50,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:50,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:50,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:50,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:50,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,271 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 289 [2023-11-19 02:52:50,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:50,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:50,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:50,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:50,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:50,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:50,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:50,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:50,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:50,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:50,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1693326-d8ef-4eaa-9705-1908ef3c12b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:52:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:52:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:50,552 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:50,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:51,112 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:51,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:51,477 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:51,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:51 BoogieIcfgContainer [2023-11-19 02:52:51,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:51,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:51,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:51,497 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:51,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 146 transitions. [2023-11-19 02:52:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2023-11-19 02:52:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-19 02:52:51,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 02:52:52,376 INFO L285 TraceCheckSpWp]: Computing forward predicates...