./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/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_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/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_49529c0b-86bd-4964-a57c-2a364a91c8e1/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 eef3f12ba451ca840c456da7ee60eaad2b6582b827234fb7a1749b9e80613db0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:29,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:29,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:47:29,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:29,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:29,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:29,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:29,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:29,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:29,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:29,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:29,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:29,988 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:29,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:29,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:29,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:29,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:29,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:29,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:29,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:29,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:29,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:29,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:29,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:29,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:29,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:29,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:29,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:29,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:29,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:29,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:29,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:29,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:29,997 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_49529c0b-86bd-4964-a57c-2a364a91c8e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eef3f12ba451ca840c456da7ee60eaad2b6582b827234fb7a1749b9e80613db0 [2023-11-19 02:47:30,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:30,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:30,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:30,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:30,330 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:30,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-31.i [2023-11-19 02:47:33,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:33,902 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:33,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-31.i [2023-11-19 02:47:33,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/data/f8a6cf74f/2c2cbedf3ad74da28896d5e681525150/FLAG9bc47df5e [2023-11-19 02:47:33,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/data/f8a6cf74f/2c2cbedf3ad74da28896d5e681525150 [2023-11-19 02:47:33,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:33,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:33,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:33,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:33,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:33,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:33" (1/1) ... [2023-11-19 02:47:33,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f7ef97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:33, skipping insertion in model container [2023-11-19 02:47:33,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:33" (1/1) ... [2023-11-19 02:47:34,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:34,205 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_49529c0b-86bd-4964-a57c-2a364a91c8e1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-31.i[916,929] [2023-11-19 02:47:34,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:34,481 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:34,497 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_49529c0b-86bd-4964-a57c-2a364a91c8e1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-31.i[916,929] [2023-11-19 02:47:34,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:34,609 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:34,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34 WrapperNode [2023-11-19 02:47:34,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:34,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:34,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:34,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:34,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,750 INFO L138 Inliner]: procedures = 26, calls = 104, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 844 [2023-11-19 02:47:34,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:34,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:34,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:34,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:34,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:34,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:34,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:34,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:34,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:34,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:34,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:34,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49529c0b-86bd-4964-a57c-2a364a91c8e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:47:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:47:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:35,201 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:35,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:36,506 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:38,468 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:38,468 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:38,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:38 BoogieIcfgContainer [2023-11-19 02:47:38,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:38,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:38,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:38,495 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:38,495 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 151 states and 242 transitions. [2023-11-19 02:47:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2023-11-19 02:47:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-19 02:47:38,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:42,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 02:47:42,638 INFO L285 TraceCheckSpWp]: Computing forward predicates...