./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3 --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 a5b1459048f386d4d91aa4d1371a4e9edda9e34036124ce3aa9f0ad83bf94de0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:50:46,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:50:46,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:50:46,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:50:46,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:50:46,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:50:46,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:50:46,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:50:46,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:50:46,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:50:46,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:50:46,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:50:46,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:50:46,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:50:46,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:50:46,766 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:50:46,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:50:46,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:50:46,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:50:46,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:50:46,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:50:46,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:46,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:50:46,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:50:46,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:50:46,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:50:46,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:50:46,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3 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 -> a5b1459048f386d4d91aa4d1371a4e9edda9e34036124ce3aa9f0ad83bf94de0 [2024-11-25 02:50:47,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:50:47,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:50:47,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:50:47,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:50:47,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:50:47,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i [2024-11-25 02:50:50,149 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/0b9e66fe8/5a4ed21ff8484cdeb2e10d1faead1da6/FLAG82a04f09b [2024-11-25 02:50:50,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:50:50,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i [2024-11-25 02:50:50,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/0b9e66fe8/5a4ed21ff8484cdeb2e10d1faead1da6/FLAG82a04f09b [2024-11-25 02:50:50,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/0b9e66fe8/5a4ed21ff8484cdeb2e10d1faead1da6 [2024-11-25 02:50:50,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:50:50,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:50:50,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:50,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:50:50,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:50:50,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5491a9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50, skipping insertion in model container [2024-11-25 02:50:50,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:50:50,715 WARN L250 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_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i[915,928] [2024-11-25 02:50:50,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:50,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:50:50,844 WARN L250 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_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i[915,928] [2024-11-25 02:50:50,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:50,909 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:50:50,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50 WrapperNode [2024-11-25 02:50:50,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:50,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:50,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:50:50,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:50:50,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,976 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-25 02:50:50,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:50,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:50:50,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:50:50,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:50:50,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:50,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:50:51,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:50:51,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:50:51,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:50:51,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:50" (1/1) ... [2024-11-25 02:50:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:50:51,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:50:51,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:50:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:50:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:50:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:50:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:50:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:50:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:50:51,184 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:50:51,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:50:51,617 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-25 02:50:51,617 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:50:51,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:50:51,812 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:50:51,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:51 BoogieIcfgContainer [2024-11-25 02:50:51,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:50:51,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:50:51,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:50:51,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:50:51,824 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:51" (1/1) ... [2024-11-25 02:50:51,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:50:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:51,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-25 02:50:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-25 02:50:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:50:51,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:50:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:50:52,500 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:50:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:50:52,622 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:50:52,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:50:52 ImpRootNode [2024-11-25 02:50:52,672 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:50:52,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:50:52,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:50:52,673 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:50:52,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:51" (3/4) ... [2024-11-25 02:50:52,678 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:50:52,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:50:52,680 INFO L158 Benchmark]: Toolchain (without parser) took 2158.20ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 81.8MB in the end (delta: 24.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-25 02:50:52,680 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:52,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.66ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:52,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.66ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 88.9MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:52,682 INFO L158 Benchmark]: Boogie Preprocessor took 57.77ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:52,684 INFO L158 Benchmark]: RCFGBuilder took 773.70ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 50.3MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:50:52,684 INFO L158 Benchmark]: CodeCheck took 858.56ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 81.9MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:52,688 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.8MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:52,690 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 47 NumberOfCodeBlocks, 47 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, ConComCheckerStatistics: 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 someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someUnaryDOUBLEoperation at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] signed short int last_1_var_1_1 = 16; [L37] unsigned char last_1_var_1_6 = 10; [L38] unsigned char last_1_var_1_8 = 1; [L39] signed short int last_1_var_1_13 = 200; [L127] isInitial = 1 [L128] FCALL initially() [L130] CALL updateLastVariables() [L117] last_1_var_1_1 = var_1_1 [L118] last_1_var_1_6 = var_1_6 [L119] last_1_var_1_8 = var_1_8 [L120] last_1_var_1_13 = var_1_13 [L130] RET updateLastVariables() [L131] CALL updateVariables() [L96] var_1_5 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=128, var_1_8=1] [L98] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=128, var_1_8=1] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L101] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L104] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L105] var_1_12 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L107] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L108] var_1_15 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L112] var_1_20 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L114] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=1] [L131] RET updateVariables() [L132] CALL step() [L43] signed long int stepLocal_6 = last_1_var_1_1; [L44] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; [L45] COND TRUE stepLocal_5 || last_1_var_1_8 [L46] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L49] var_1_14 = var_1_16 [L54] COND TRUE var_1_14 <= var_1_15 [L55] var_1_19 = (var_1_12 || var_1_20) [L57] COND FALSE !(var_1_5 >= -2) [L60] unsigned char stepLocal_4 = var_1_6; [L61] signed long int stepLocal_3 = var_1_6 / var_1_7; [L62] COND TRUE last_1_var_1_13 >= stepLocal_3 [L63] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L64] var_1_13 = var_1_7 [L71] unsigned char stepLocal_7 = var_1_6; [L72] COND FALSE !(stepLocal_7 > var_1_6) [L75] unsigned char stepLocal_0 = var_1_6; [L76] COND FALSE !(\read(var_1_19)) [L79] COND TRUE ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= stepLocal_0 [L80] var_1_1 = var_1_5 [L83] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L84] unsigned char stepLocal_1 = var_1_7; [L85] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L92] var_1_8 = var_1_12 [L132] RET step() [L133] CALL, EXPR property() [L123-L124] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=201, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=-255, var_1_12=0, var_1_13=201, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_5=-10, var_1_6=10, var_1_7=969, var_1_8=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.66ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.66ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 88.9MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.77ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 773.70ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 50.3MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 858.56ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 81.9MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.8MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:50:52,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3 --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 a5b1459048f386d4d91aa4d1371a4e9edda9e34036124ce3aa9f0ad83bf94de0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:50:55,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:50:55,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:50:55,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:50:55,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:50:55,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:50:55,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:50:55,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:50:55,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:50:55,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:50:55,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:50:55,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:50:55,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:50:55,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:50:55,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:50:55,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:50:55,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:50:55,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:50:55,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:50:55,744 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:50:55,745 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:55,745 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:50:55,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:50:55,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:55,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:50:55,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:50:55,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:50:55,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:50:55,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:55,747 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:50:55,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3 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 -> a5b1459048f386d4d91aa4d1371a4e9edda9e34036124ce3aa9f0ad83bf94de0 [2024-11-25 02:50:56,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:50:56,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:50:56,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:50:56,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:50:56,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:50:56,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i [2024-11-25 02:50:59,419 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/c500441c0/7fb734e8942f458987043941ddf277df/FLAGc1ac89eee [2024-11-25 02:50:59,780 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:50:59,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i [2024-11-25 02:50:59,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/c500441c0/7fb734e8942f458987043941ddf277df/FLAGc1ac89eee [2024-11-25 02:50:59,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/data/c500441c0/7fb734e8942f458987043941ddf277df [2024-11-25 02:50:59,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:50:59,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:50:59,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:59,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:50:59,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:50:59,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:59" (1/1) ... [2024-11-25 02:50:59,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c5a0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:59, skipping insertion in model container [2024-11-25 02:50:59,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:59" (1/1) ... [2024-11-25 02:50:59,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:00,024 WARN L250 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_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i[915,928] [2024-11-25 02:51:00,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:00,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:00,148 WARN L250 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_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-42.i[915,928] [2024-11-25 02:51:00,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:00,225 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:00,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00 WrapperNode [2024-11-25 02:51:00,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:00,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:00,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:00,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:00,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,284 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-25 02:51:00,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:00,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:00,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:00,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:00,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,308 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:00,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:00,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:00,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:00,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:00" (1/1) ... [2024-11-25 02:51:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:00,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:00,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:51:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:51:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:51:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:51:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:00,480 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:00,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:00,960 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:00,960 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:01,155 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:01,156 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:51:01,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:01 BoogieIcfgContainer [2024-11-25 02:51:01,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:01,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:01,157 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:01,174 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:01,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:01" (1/1) ... [2024-11-25 02:51:01,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-25 02:51:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-25 02:51:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:51:01,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:01,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:01,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:01,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcb5ea4-83ba-4da9-a943-f9b3877de0a7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:51:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:01,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:02,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:51:02,048 INFO L279 TraceCheckSpWp]: Computing forward predicates...