./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/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_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/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_cedf66c5-57ff-4919-bce0-009c3de79f4b/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 62c16d91e787288ae99ac41232bb0baaa3c2e24a529da812094625072884fa10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:55,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:55,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:55,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:55,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:55,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:55,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:55,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:55,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:55,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:55,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:55,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:55,591 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:55,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:55,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:55,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:55,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:55,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:55,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:55,595 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:55,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:55,600 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:55,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:55,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:55,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:55,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:55,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:55,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:55,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:55,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:55,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:55,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:55,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:55,609 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c16d91e787288ae99ac41232bb0baaa3c2e24a529da812094625072884fa10 [2023-11-24 23:02:55,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:55,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:55,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:55,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:55,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:55,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i [2023-11-24 23:02:59,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:59,246 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:59,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i [2023-11-24 23:02:59,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data/0b872ab4c/9284253cb2f743b5b6df5abed348b0c1/FLAG408858b37 [2023-11-24 23:02:59,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data/0b872ab4c/9284253cb2f743b5b6df5abed348b0c1 [2023-11-24 23:02:59,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:59,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:59,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:59,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:59,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:59,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f10a226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59, skipping insertion in model container [2023-11-24 23:02:59,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:59,494 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i[915,928] [2023-11-24 23:02:59,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:59,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:59,560 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i[915,928] [2023-11-24 23:02:59,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:59,605 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:59,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59 WrapperNode [2023-11-24 23:02:59,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:59,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:59,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:59,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:59,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,662 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2023-11-24 23:02:59,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:59,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:59,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:59,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:59,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:59,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:59,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:59,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:59,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:59,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:59,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:59,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:02:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:59,862 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:59,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:00,156 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:00,360 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:00,360 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:00,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:00 BoogieIcfgContainer [2023-11-24 23:03:00,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:00,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:00,364 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:00,375 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:00,375 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 23:03:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 23:03:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:00,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:00,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:00,836 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:03:00,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:00 ImpRootNode [2023-11-24 23:03:00,907 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:00,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:00,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:00,908 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:00,909 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:00" (3/4) ... [2023-11-24 23:03:00,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:00,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:00,913 INFO L158 Benchmark]: Toolchain (without parser) took 1633.98ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 109.6MB in the beginning and 137.7MB in the end (delta: -28.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,914 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:00,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.01ms. Allocated memory is still 155.2MB. Free memory was 109.2MB in the beginning and 97.0MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.80ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,916 INFO L158 Benchmark]: Boogie Preprocessor took 33.85ms. Allocated memory is still 155.2MB. Free memory was 94.9MB in the beginning and 93.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,917 INFO L158 Benchmark]: RCFGBuilder took 665.00ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 93.4MB in the beginning and 157.5MB in the end (delta: -64.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,918 INFO L158 Benchmark]: CodeCheck took 543.50ms. Allocated memory is still 192.9MB. Free memory was 157.5MB in the beginning and 137.7MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,919 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 192.9MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:00,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 31.75; [L24] signed char var_1_4 = -8; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_8 = 16; [L28] unsigned char var_1_9 = 8; [L29] signed long int var_1_10 = 256; [L30] signed long int last_1_var_1_10 = 256; [L92] isInitial = 1 [L93] FCALL initially() [L94] int k_loop; [L95] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_2=127/4, var_1_4=-8, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L95] COND TRUE k_loop < 1 [L96] CALL updateLastVariables() [L85] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L70] var_1_4 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L72] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L73] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L74] var_1_6 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_7=1, var_1_8=16, var_1_9=8] [L76] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=0] [L97] RET updateVariables() [L98] CALL step() [L34] signed char stepLocal_3 = var_1_4; [L35] unsigned char stepLocal_2 = var_1_7; [L36] COND FALSE !(2 != stepLocal_3) [L39] COND TRUE (var_1_9 <= last_1_var_1_10) && stepLocal_2 [L40] var_1_8 = 128 [L45] signed long int stepLocal_1 = var_1_8 / var_1_4; [L46] signed long int stepLocal_0 = (((var_1_4) < (var_1_8)) ? (var_1_4) : (var_1_8)); [L47] COND TRUE (- var_1_2) >= 16.75 [L48] COND FALSE !(stepLocal_1 >= var_1_8) [L55] var_1_1 = var_1_7 [L60] signed long int stepLocal_4 = var_1_8 * var_1_8; [L61] COND FALSE !(0 > stepLocal_4) [L98] RET step() [L99] CALL, EXPR property() [L88-L89] return ((((- var_1_2) >= 16.75) ? (((var_1_8 / var_1_4) >= var_1_8) ? ((((((var_1_4) < (var_1_8)) ? (var_1_4) : (var_1_8))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : (var_1_1 == ((unsigned char) var_1_6))) && ((2 != var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : (((var_1_9 <= last_1_var_1_10) && var_1_7) ? (var_1_8 == ((unsigned char) 128)) : (var_1_8 == ((unsigned char) var_1_9))))) && ((0 > (var_1_8 * var_1_8)) ? (var_1_1 ? (var_1_10 == ((signed long int) 5)) : 1) : 1) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.01ms. Allocated memory is still 155.2MB. Free memory was 109.2MB in the beginning and 97.0MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.80ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.85ms. Allocated memory is still 155.2MB. Free memory was 94.9MB in the beginning and 93.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.00ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 93.4MB in the beginning and 157.5MB in the end (delta: -64.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * CodeCheck took 543.50ms. Allocated memory is still 192.9MB. Free memory was 157.5MB in the beginning and 137.7MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 192.9MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:03:00,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/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_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/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 62c16d91e787288ae99ac41232bb0baaa3c2e24a529da812094625072884fa10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:03,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:03,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:03:03,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:03,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:03,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:03,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:03,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:03,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:03,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:03,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:03,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:03,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:03,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:03,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:03,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:03,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:03,879 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:03,879 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:03,880 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:03,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:03,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:03,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:03,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:03,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:03,883 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:03,884 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:03,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:03,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:03,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:03,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:03,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:03,887 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:03,888 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:03,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:03,889 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:03,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:03,889 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c16d91e787288ae99ac41232bb0baaa3c2e24a529da812094625072884fa10 [2023-11-24 23:03:04,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:04,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:04,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:04,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:04,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:04,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i [2023-11-24 23:03:07,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:07,864 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:07,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i [2023-11-24 23:03:07,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data/7e0a09a23/e4173e874b414daaaa5511dde70f5352/FLAG378dc66d7 [2023-11-24 23:03:07,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/data/7e0a09a23/e4173e874b414daaaa5511dde70f5352 [2023-11-24 23:03:07,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:07,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:07,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:07,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:07,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:07,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:07" (1/1) ... [2023-11-24 23:03:07,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0b78ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:07, skipping insertion in model container [2023-11-24 23:03:07,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:07" (1/1) ... [2023-11-24 23:03:07,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:08,122 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i[915,928] [2023-11-24 23:03:08,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:08,216 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:08,237 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_cedf66c5-57ff-4919-bce0-009c3de79f4b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-46.i[915,928] [2023-11-24 23:03:08,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:08,294 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:08,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08 WrapperNode [2023-11-24 23:03:08,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:08,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:08,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:08,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:08,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,358 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2023-11-24 23:03:08,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:08,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:08,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:08,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:08,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:08,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:08,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:08,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:08,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:08,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:08,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:03:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:03:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:08,587 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:08,589 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:09,072 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:09,257 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:09,258 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:09,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:09 BoogieIcfgContainer [2023-11-24 23:03:09,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:09,261 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:09,261 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:09,271 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:09,272 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:09" (1/1) ... [2023-11-24 23:03:09,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 23:03:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 23:03:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:09,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:09,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:09,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:09,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:09,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf66c5-57ff-4919-bce0-009c3de79f4b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:03:09,856 INFO L285 TraceCheckSpWp]: Computing forward predicates...