./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV --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 8e6a4e811ea035c2d62f9643480185d2581ede57005addf38935f5c40588f0bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:14,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:14,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:46:14,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:14,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:14,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:14,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:14,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:14,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:14,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:14,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:14,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:14,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:14,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:14,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:14,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:14,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:14,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:14,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:14,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:14,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:14,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:14,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:14,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:14,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:14,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:14,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:14,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:14,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:14,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:14,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:14,458 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:14,458 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_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e6a4e811ea035c2d62f9643480185d2581ede57005addf38935f5c40588f0bb [2023-11-11 23:46:14,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:14,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:14,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:14,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:14,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:14,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-31.i [2023-11-11 23:46:17,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:18,103 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:18,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-31.i [2023-11-11 23:46:18,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/data/c362ef93e/50b2ba4d854c4a22baf106bde3735c60/FLAG1b733165c [2023-11-11 23:46:18,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/data/c362ef93e/50b2ba4d854c4a22baf106bde3735c60 [2023-11-11 23:46:18,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:18,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:18,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:18,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:18,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:18,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54af4315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18, skipping insertion in model container [2023-11-11 23:46:18,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:18,340 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_7b3211a7-8267-4c89-994c-d9671b66d651/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-31.i[913,926] [2023-11-11 23:46:18,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:18,416 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:18,430 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_7b3211a7-8267-4c89-994c-d9671b66d651/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-31.i[913,926] [2023-11-11 23:46:18,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:18,492 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:18,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18 WrapperNode [2023-11-11 23:46:18,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:18,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:18,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:18,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:18,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,573 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-11 23:46:18,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:18,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:18,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:18,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:18,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:18,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:18,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:18,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:18,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:18" (1/1) ... [2023-11-11 23:46:18,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:18,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:18,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:18,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3211a7-8267-4c89-994c-d9671b66d651/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:18,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:18,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:19,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:19,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:19,465 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:46:19,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:19 BoogieIcfgContainer [2023-11-11 23:46:19,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:19,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:19,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:19,480 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:19,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:19" (1/1) ... [2023-11-11 23:46:19,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2023-11-11 23:46:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-11 23:46:19,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-11 23:46:19,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:20,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-11 23:46:20,051 INFO L285 TraceCheckSpWp]: Computing forward predicates...