./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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 d087495e6d69ce7df2bae3361f922b107889d83ae1996f23275d822283a5c40d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:36:00,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:36:00,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:36:00,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:36:00,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:36:00,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:36:00,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:36:00,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:36:00,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:36:00,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:36:00,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:36:00,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:36:00,170 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:36:00,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:36:00,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:36:00,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:36:00,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:36:00,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:36:00,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:36:00,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:36:00,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:36:00,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:36:00,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:36:00,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:36:00,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:36:00,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:36:00,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:36:00,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:36:00,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:36:00,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:36:00,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:36:00,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:36:00,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:36:00,180 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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d087495e6d69ce7df2bae3361f922b107889d83ae1996f23275d822283a5c40d [2023-12-03 01:36:00,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:36:00,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:36:00,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:36:00,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:36:00,443 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:36:00,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i [2023-12-03 01:36:03,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:36:03,423 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:36:03,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i [2023-12-03 01:36:03,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data/322d751b2/9b82baa76d154bda9f6581a284e8f62b/FLAGe242b59f8 [2023-12-03 01:36:03,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data/322d751b2/9b82baa76d154bda9f6581a284e8f62b [2023-12-03 01:36:03,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:36:03,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:36:03,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:36:03,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:36:03,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:36:03,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:36:03" (1/1) ... [2023-12-03 01:36:03,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f7f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:03, skipping insertion in model container [2023-12-03 01:36:03,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:36:03" (1/1) ... [2023-12-03 01:36:03,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:36:03,960 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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i[915,928] [2023-12-03 01:36:04,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:36:04,015 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:36:04,030 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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i[915,928] [2023-12-03 01:36:04,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:36:04,068 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:36:04,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04 WrapperNode [2023-12-03 01:36:04,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:36:04,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:36:04,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:36:04,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:36:04,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,104 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2023-12-03 01:36:04,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:36:04,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:36:04,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:36:04,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:36:04,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:36:04,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:36:04,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:36:04,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:36:04,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:36:04,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:36:04,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:36:04,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:36:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:36:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:36:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:36:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:36:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:36:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:36:04,256 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:36:04,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:36:04,429 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:36:04,542 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:36:04,542 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:36:04,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:04 BoogieIcfgContainer [2023-12-03 01:36:04,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:36:04,545 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:36:04,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:36:04,557 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:36:04,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:04" (1/1) ... [2023-12-03 01:36:04,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:36:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-03 01:36:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-03 01:36:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:36:04,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:04,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:36:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:36:04,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:36:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:36:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:36:05,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:36:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:36:05,078 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:36:05,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:36:05 ImpRootNode [2023-12-03 01:36:05,119 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:36:05,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:36:05,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:36:05,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:36:05,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:04" (3/4) ... [2023-12-03 01:36:05,123 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:36:05,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:36:05,125 INFO L158 Benchmark]: Toolchain (without parser) took 1320.84ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 88.2MB in the end (delta: 45.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-12-03 01:36:05,126 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:36:05,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.60ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 139.9MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:36:05,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.83ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 138.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:36:05,128 INFO L158 Benchmark]: Boogie Preprocessor took 21.06ms. Allocated memory is still 169.9MB. Free memory was 138.5MB in the beginning and 137.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:36:05,128 INFO L158 Benchmark]: RCFGBuilder took 418.11ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 114.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 01:36:05,129 INFO L158 Benchmark]: CodeCheck took 573.91ms. Allocated memory is still 169.9MB. Free memory was 114.8MB in the beginning and 88.2MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:36:05,129 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 169.9MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:36:05,132 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 46 NumberOfCodeBlocks, 46 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 shiftRight at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 1; [L24] unsigned short int var_1_3 = 256; [L25] signed long int var_1_4 = 500; [L26] signed char var_1_5 = 16; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 1; [L73] isInitial = 1 [L74] FCALL initially() [L75] COND TRUE 1 [L76] FCALL updateLastVariables() [L77] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=256, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=256, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_3=256, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_3=256, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L50] var_1_3 = __VERIFIER_nondet_ushort() [L51] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L52] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=500, var_1_5=16, var_1_6=1, var_1_7=1] [L53] var_1_4 = __VERIFIER_nondet_long() [L54] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=16, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=16, var_1_6=1, var_1_7=1] [L55] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=16, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=16, var_1_6=1, var_1_7=1] [L56] var_1_5 = __VERIFIER_nondet_char() [L57] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L58] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L59] var_1_6 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_7=1] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_7=1] [L61] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L62] var_1_7 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1] [L64] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_1=1, var_1_2=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L77] RET updateVariables() [L78] CALL step() [L32] signed long int stepLocal_1 = ~ var_1_3; [L33] unsigned char stepLocal_0 = var_1_7; [L34] COND TRUE \read(var_1_2) [L35] EXPR var_1_4 >> var_1_5 [L35] COND FALSE !(stepLocal_1 != (var_1_4 >> var_1_5)) [L42] var_1_1 = var_1_5 [L78] RET step() [L79] CALL, EXPR property() [L69] EXPR var_1_2 ? (((~ var_1_3) != (var_1_4 >> var_1_5)) ? ((var_1_6 || var_1_7) ? (var_1_1 == ((unsigned char) (64 + var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : 1 [L69] EXPR var_1_4 >> var_1_5 [L69] EXPR var_1_2 ? (((~ var_1_3) != (var_1_4 >> var_1_5)) ? ((var_1_6 || var_1_7) ? (var_1_1 == ((unsigned char) (64 + var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : 1 [L69-L70] return var_1_2 ? (((~ var_1_3) != (var_1_4 >> var_1_5)) ? ((var_1_6 || var_1_7) ? (var_1_1 == ((unsigned char) (64 + var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : 1 ; [L79] RET, EXPR property() [L79] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=1, var_1_2=1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=1, var_1_2=1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.60ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 139.9MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.83ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 138.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.06ms. Allocated memory is still 169.9MB. Free memory was 138.5MB in the beginning and 137.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.11ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 114.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 573.91ms. Allocated memory is still 169.9MB. Free memory was 114.8MB in the beginning and 88.2MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 169.9MB. Free memory is still 88.2MB. 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 01:36:05,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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 d087495e6d69ce7df2bae3361f922b107889d83ae1996f23275d822283a5c40d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:36:07,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:36:07,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:36:07,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:36:07,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:36:07,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:36:07,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:36:07,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:36:07,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:36:07,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:36:07,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:36:07,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:36:07,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:36:07,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:36:07,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:36:07,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:36:07,248 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:36:07,249 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:36:07,249 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:36:07,250 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:36:07,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:36:07,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:36:07,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:36:07,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:36:07,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:36:07,256 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:07,256 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:36:07,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:36:07,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:36:07,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:36:07,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:36:07,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:36:07,258 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:36:07,258 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:07,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:36:07,259 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:36:07,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:36:07,259 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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d087495e6d69ce7df2bae3361f922b107889d83ae1996f23275d822283a5c40d [2023-12-03 01:36:07,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:36:07,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:36:07,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:36:07,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:36:07,577 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:36:07,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i [2023-12-03 01:36:10,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:36:10,625 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:36:10,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i [2023-12-03 01:36:10,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data/3127fbc04/37a9263812be40b19c934dac6e6306b0/FLAG6018e242d [2023-12-03 01:36:10,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/data/3127fbc04/37a9263812be40b19c934dac6e6306b0 [2023-12-03 01:36:10,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:36:10,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:36:10,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:36:10,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:36:10,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:36:10,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b30e896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10, skipping insertion in model container [2023-12-03 01:36:10,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:36:10,812 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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i[915,928] [2023-12-03 01:36:10,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:36:10,856 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:36:10,867 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_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-13.i[915,928] [2023-12-03 01:36:10,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:36:10,897 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:36:10,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10 WrapperNode [2023-12-03 01:36:10,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:36:10,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:36:10,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:36:10,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:36:10,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,940 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-12-03 01:36:10,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:36:10,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:36:10,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:36:10,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:36:10,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:36:10,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:36:10,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:36:10,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:36:10,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:36:10" (1/1) ... [2023-12-03 01:36:10,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:36:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:36:11,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:36:11,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:36:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:36:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:36:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:36:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:36:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:36:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:36:11,154 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:36:11,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:36:11,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:36:11,410 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:36:11,410 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:36:11,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:11 BoogieIcfgContainer [2023-12-03 01:36:11,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:36:11,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:36:11,414 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:36:11,424 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:36:11,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:11" (1/1) ... [2023-12-03 01:36:11,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:36:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-03 01:36:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-03 01:36:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:36:11,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:11,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:11,504 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:11,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:36:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:11,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:11,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:36:11,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:14,187 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-03 01:36:14,189 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:36:14,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-12-03 01:36:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-12-03 01:36:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-12-03 01:36:14,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:36:14,258 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:36:14,266 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:36:14,287 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:36:14,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:36:14,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:36:14,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:36:14 ImpRootNode [2023-12-03 01:36:14,291 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:36:14,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:36:14,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:36:14,292 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:36:14,292 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:11" (3/4) ... [2023-12-03 01:36:14,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:36:14,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 01:36:14,302 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-03 01:36:14,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 01:36:14,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:36:14,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:36:14,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:36:14,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:36:14,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:36:14,403 INFO L158 Benchmark]: Toolchain (without parser) took 3752.75ms. Allocated memory was 96.5MB in the beginning and 188.7MB in the end (delta: 92.3MB). Free memory was 72.7MB in the beginning and 144.6MB in the end (delta: -71.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-03 01:36:14,404 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:36:14,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.68ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 60.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:36:14,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.17ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 59.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:36:14,405 INFO L158 Benchmark]: Boogie Preprocessor took 34.27ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 57.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:36:14,405 INFO L158 Benchmark]: RCFGBuilder took 435.14ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 61.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-03 01:36:14,406 INFO L158 Benchmark]: CodeCheck took 2877.62ms. Allocated memory was 96.5MB in the beginning and 188.7MB in the end (delta: 92.3MB). Free memory was 61.1MB in the beginning and 149.8MB in the end (delta: -88.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-12-03 01:36:14,406 INFO L158 Benchmark]: Witness Printer took 111.14ms. Allocated memory is still 188.7MB. Free memory was 149.8MB in the beginning and 144.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:36:14,408 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 31 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 4 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, 0.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 11 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 126/132 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.68ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 60.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.17ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 59.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.27ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 57.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.14ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 61.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * CodeCheck took 2877.62ms. Allocated memory was 96.5MB in the beginning and 188.7MB in the end (delta: 92.3MB). Free memory was 61.1MB in the beginning and 149.8MB in the end (delta: -88.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 111.14ms. Allocated memory is still 188.7MB. Free memory was 149.8MB in the beginning and 144.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:36:14,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2498e9a-d883-4daa-813f-9ffcf0ae96c2/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 Writing output log to file Ultimate.log Result: TRUE