./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi --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 a9741d9253f3a1c34b363b1f78a0a60d9588ccafe85a5c037fb56edb8bf20d1f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:08,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:08,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:10:08,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:08,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:08,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:08,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:08,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:08,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:08,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:08,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:08,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:08,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:08,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:08,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:08,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:08,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:08,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:08,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:08,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:08,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:08,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:08,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:08,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:08,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:08,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:08,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:08,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:08,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:08,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:08,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:08,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:08,265 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:08,265 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_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9741d9253f3a1c34b363b1f78a0a60d9588ccafe85a5c037fb56edb8bf20d1f [2023-11-24 23:10:08,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:08,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:08,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:08,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:08,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:08,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i [2023-11-24 23:10:11,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:12,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:12,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i [2023-11-24 23:10:12,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/data/bc9bd0b52/d50f47351d174ce5b065c2246f5c1600/FLAGc83c6fd18 [2023-11-24 23:10:12,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/data/bc9bd0b52/d50f47351d174ce5b065c2246f5c1600 [2023-11-24 23:10:12,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:12,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:12,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:12,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:12,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:12,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c406a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12, skipping insertion in model container [2023-11-24 23:10:12,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:12,271 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_70af74d8-eaff-477a-833c-20bb4224aba9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i[913,926] [2023-11-24 23:10:12,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:12,345 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:12,359 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_70af74d8-eaff-477a-833c-20bb4224aba9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i[913,926] [2023-11-24 23:10:12,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:12,416 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:12,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12 WrapperNode [2023-11-24 23:10:12,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:12,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:12,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:12,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:12,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,500 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-24 23:10:12,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:12,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:12,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:12,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:12,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:12,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:12,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:12,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:12,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:12" (1/1) ... [2023-11-24 23:10:12,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:12,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:12,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:12,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af74d8-eaff-477a-833c-20bb4224aba9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:10:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:10:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:12,776 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:12,778 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:13,220 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:13,420 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:13,421 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:10:13,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:13 BoogieIcfgContainer [2023-11-24 23:10:13,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:13,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:13,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:13,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:13,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:13" (1/1) ... [2023-11-24 23:10:13,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2023-11-24 23:10:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2023-11-24 23:10:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-24 23:10:13,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:13,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:10:14,183 INFO L285 TraceCheckSpWp]: Computing forward predicates...