./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9 --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 d848ed00fc0d485481470376dd76caee8f421720e20ea964be77cc23ea1203a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:22:14,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:22:14,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:22:14,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:22:14,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:22:14,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:22:14,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:22:14,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:22:14,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:22:14,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:22:14,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:22:14,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:22:14,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:22:14,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:22:14,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:22:14,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:22:14,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:22:14,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:22:14,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:22:14,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:22:14,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:22:14,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:22:14,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:22:14,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:22:14,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:22:14,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:22:14,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:22:14,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:22:14,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:22:14,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:22:14,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:22:14,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:22:14,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:22:14,411 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_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d848ed00fc0d485481470376dd76caee8f421720e20ea964be77cc23ea1203a7 [2023-12-03 02:22:14,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:22:14,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:22:14,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:22:14,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:22:14,665 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:22:14,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i [2023-12-03 02:22:17,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:22:17,605 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:22:17,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i [2023-12-03 02:22:17,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data/8c2fa3db7/00beec92d152466ba812147c154a06dd/FLAGdfe97ef72 [2023-12-03 02:22:17,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data/8c2fa3db7/00beec92d152466ba812147c154a06dd [2023-12-03 02:22:17,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:22:17,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:22:17,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:22:17,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:22:17,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:22:17,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d99c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17, skipping insertion in model container [2023-12-03 02:22:17,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:22:17,782 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_89e04c2b-9d6f-4a76-85f0-8db699d22a46/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i[917,930] [2023-12-03 02:22:17,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:22:17,846 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:22:17,859 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_89e04c2b-9d6f-4a76-85f0-8db699d22a46/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i[917,930] [2023-12-03 02:22:17,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:22:17,902 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:22:17,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17 WrapperNode [2023-12-03 02:22:17,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:22:17,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:22:17,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:22:17,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:22:17,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,961 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-12-03 02:22:17,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:22:17,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:22:17,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:22:17,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:22:17,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:17,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:18,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:22:18,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:22:18,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:22:18,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:22:18,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:17" (1/1) ... [2023-12-03 02:22:18,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:22:18,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:22:18,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:22:18,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:22:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:22:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:22:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:22:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:22:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:22:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:22:18,146 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:22:18,148 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:22:18,456 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:22:18,667 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:22:18,668 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:22:18,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:18 BoogieIcfgContainer [2023-12-03 02:22:18,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:22:18,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:22:18,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:22:18,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:22:18,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:18" (1/1) ... [2023-12-03 02:22:18,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:22:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-12-03 02:22:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-12-03 02:22:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:22:18,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:22:18,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:22:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:22:19,087 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:22:19,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:22:19 ImpRootNode [2023-12-03 02:22:19,145 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:22:19,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:22:19,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:22:19,146 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:22:19,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:18" (3/4) ... [2023-12-03 02:22:19,148 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:22:19,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:22:19,151 INFO L158 Benchmark]: Toolchain (without parser) took 1521.03ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 104.1MB in the beginning and 102.6MB in the end (delta: 1.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-03 02:22:19,151 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 107.9MB in the beginning and 107.7MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:22:19,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.89ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 90.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:22:19,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.24ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:22:19,153 INFO L158 Benchmark]: Boogie Preprocessor took 43.91ms. Allocated memory is still 136.3MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:22:19,154 INFO L158 Benchmark]: RCFGBuilder took 663.11ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 84.2MB in the beginning and 128.8MB in the end (delta: -44.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-12-03 02:22:19,154 INFO L158 Benchmark]: CodeCheck took 474.30ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 102.8MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 02:22:19,155 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 154.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:22:19,159 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, 33 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, 60 NumberOfCodeBlocks, 60 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 65, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of bitwiseOr at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 10; [L24] unsigned char var_1_3 = 25; [L25] unsigned char var_1_4 = 16; [L26] unsigned char var_1_5 = 0; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 32; [L30] double var_1_9 = 4.6; [L31] double var_1_10 = 9.25; [L32] double var_1_11 = 1.25; [L33] unsigned char var_1_12 = 100; [L34] unsigned char var_1_13 = 64; [L35] unsigned char var_1_14 = 0; [L36] float var_1_15 = 7.5; [L37] signed long int var_1_16 = 0; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] FCALL updateLastVariables() [L126] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L92] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L93] var_1_3 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L95] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L98] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L101] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L104] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L105] var_1_8 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L107] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L108] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L109] var_1_10 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L111] var_1_13 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L113] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=51, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=51, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5] [L126] RET updateVariables() [L127] CALL step() [L41] unsigned char stepLocal_0 = var_1_2; [L42] EXPR var_1_3 ^ var_1_4 [L42] COND FALSE !(stepLocal_0 <= (var_1_3 ^ var_1_4)) [L45] var_1_1 = (! var_1_5) [L47] unsigned char stepLocal_2 = (var_1_5 && var_1_7) && var_1_1; [L48] signed long int stepLocal_1 = -256; [L49] COND FALSE !(stepLocal_1 >= var_1_3) [L52] COND TRUE (var_1_2 < (var_1_4 / var_1_8)) || stepLocal_2 [L53] var_1_6 = var_1_7 [L56] COND FALSE !(((((((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) > (var_1_4)) ? (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) <= (50 * var_1_8)) [L59] unsigned char stepLocal_3 = var_1_7 && var_1_1; [L60] COND TRUE stepLocal_3 || (! var_1_5) [L61] var_1_11 = var_1_10 [L63] unsigned char stepLocal_4 = var_1_3; [L64] COND TRUE \read(var_1_1) [L65] COND FALSE !(var_1_10 >= (- var_1_9)) [L72] var_1_12 = var_1_13 [L77] unsigned char stepLocal_6 = var_1_2; [L78] signed long int stepLocal_5 = var_1_13 + 16; [L79] COND TRUE (var_1_13 % (5u + 256u)) <= stepLocal_6 [L80] COND TRUE stepLocal_5 >= var_1_2 [L81] var_1_14 = var_1_7 [L86] var_1_15 = var_1_10 [L87] var_1_16 = var_1_3 [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR var_1_3 ^ var_1_4 [L118-L119] return ((((((((var_1_2 <= (var_1_3 ^ var_1_4)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_3) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_2 < (var_1_4 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) > (var_1_4)) ? (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_1) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (var_1_1 ? ((var_1_10 >= (- var_1_9)) ? ((var_1_8 != var_1_3) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_2) ? (((var_1_13 + 16) >= var_1_2) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) var_1_3)) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_12=51, var_1_13=51, var_1_14=1, var_1_15=2, var_1_16=51, var_1_1=1, var_1_2=51, var_1_3=51, var_1_4=104, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=23/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_12=51, var_1_13=51, var_1_14=1, var_1_15=2, var_1_16=51, var_1_1=1, var_1_2=51, var_1_3=51, var_1_4=104, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=23/5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 107.9MB in the beginning and 107.7MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.89ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 90.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.24ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.91ms. Allocated memory is still 136.3MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.11ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 84.2MB in the beginning and 128.8MB in the end (delta: -44.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * CodeCheck took 474.30ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 102.8MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 154.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:22:19,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9 --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 d848ed00fc0d485481470376dd76caee8f421720e20ea964be77cc23ea1203a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:22:21,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:22:21,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:22:21,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:22:21,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:22:21,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:22:21,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:22:21,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:22:21,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:22:21,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:22:21,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:22:21,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:22:21,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:22:21,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:22:21,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:22:21,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:22:21,184 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:22:21,184 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:22:21,185 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:22:21,185 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:22:21,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:22:21,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:22:21,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:22:21,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:22:21,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:22:21,190 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:21,191 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:22:21,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:22:21,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:22:21,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:22:21,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:22:21,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:22:21,193 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:22:21,193 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:21,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:22:21,194 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:22:21,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:22:21,194 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_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d848ed00fc0d485481470376dd76caee8f421720e20ea964be77cc23ea1203a7 [2023-12-03 02:22:21,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:22:21,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:22:21,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:22:21,508 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:22:21,508 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:22:21,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i [2023-12-03 02:22:24,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:22:24,505 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:22:24,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i [2023-12-03 02:22:24,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data/c58e707a3/164260573edd442c84e5234e2122c631/FLAGd202009c1 [2023-12-03 02:22:24,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/data/c58e707a3/164260573edd442c84e5234e2122c631 [2023-12-03 02:22:24,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:22:24,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:22:24,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:22:24,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:22:24,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:22:24,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b838959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24, skipping insertion in model container [2023-12-03 02:22:24,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:22:24,724 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_89e04c2b-9d6f-4a76-85f0-8db699d22a46/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i[917,930] [2023-12-03 02:22:24,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:22:24,788 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:22:24,801 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_89e04c2b-9d6f-4a76-85f0-8db699d22a46/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-68.i[917,930] [2023-12-03 02:22:24,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:22:24,847 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:22:24,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24 WrapperNode [2023-12-03 02:22:24,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:22:24,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:22:24,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:22:24,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:22:24,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,895 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-12-03 02:22:24,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:22:24,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:22:24,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:22:24,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:22:24,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:22:24,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:22:24,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:22:24,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:22:24,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:22:24,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:22:24,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:22:24,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:22:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:22:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:22:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:22:25,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:22:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:22:25,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:22:25,096 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:22:25,098 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:22:25,639 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:22:25,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:22:25,775 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:22:25,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:25 BoogieIcfgContainer [2023-12-03 02:22:25,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:22:25,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:22:25,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:22:25,788 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:22:25,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:25" (1/1) ... [2023-12-03 02:22:25,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:22:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-12-03 02:22:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-12-03 02:22:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:22:25,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:25,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:25,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:25,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e04c2b-9d6f-4a76-85f0-8db699d22a46/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:22:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 02:22:26,657 INFO L285 TraceCheckSpWp]: Computing forward predicates...