./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/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_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/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_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/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 8a9514002ed578f0f6e59fc15c007062f6d926230410ac9646815da80f07fd2b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:13,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:13,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:43:13,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:13,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:13,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:13,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:13,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:13,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:13,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:13,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:13,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:13,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:43:13,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:13,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:43:13,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:13,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:13,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:13,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:13,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:43:13,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:13,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:13,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:13,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:13,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:13,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:13,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:13,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:13,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:13,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:13,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:13,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:13,722 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_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a9514002ed578f0f6e59fc15c007062f6d926230410ac9646815da80f07fd2b [2023-11-11 23:43:14,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:14,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:14,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:14,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:14,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:14,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-52.i [2023-11-11 23:43:17,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:17,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:17,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-52.i [2023-11-11 23:43:17,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/data/9443f6529/472d6726295e4b7a95dc44d05164adc0/FLAG6e4d9e2bc [2023-11-11 23:43:17,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/data/9443f6529/472d6726295e4b7a95dc44d05164adc0 [2023-11-11 23:43:17,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:17,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:17,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:17,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:17,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:17,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575ccab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17, skipping insertion in model container [2023-11-11 23:43:17,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:17,732 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_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-52.i[913,926] [2023-11-11 23:43:17,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:17,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:17,827 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_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-52.i[913,926] [2023-11-11 23:43:17,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:17,880 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:17,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17 WrapperNode [2023-11-11 23:43:17,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:17,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:17,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:17,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:17,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,959 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-11 23:43:17,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:17,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:17,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:17,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:17,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:17,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:18,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:18,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:18,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:18,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:18,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:18,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:17" (1/1) ... [2023-11-11 23:43:18,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:18,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:18,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:18,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6426a42c-6353-4ebc-bce2-156eb3e3e5c7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:43:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:43:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:43:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:18,221 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:18,223 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:18,636 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:18,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:18,865 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:43:18,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:18 BoogieIcfgContainer [2023-11-11 23:43:18,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:18,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:18,869 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:18,879 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:18,880 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:18" (1/1) ... [2023-11-11 23:43:18,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2023-11-11 23:43:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-11 23:43:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-11 23:43:18,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:19,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-11 23:43:19,378 INFO L285 TraceCheckSpWp]: Computing forward predicates...