./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b --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 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:52:25,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:52:25,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:52:25,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:52:25,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:52:25,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:52:25,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:52:25,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:52:25,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:52:25,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:52:25,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:52:25,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:52:25,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:52:25,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:52:25,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:52:25,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:52:25,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:25,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:52:25,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:52:25,844 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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b 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 -> 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 [2024-12-06 00:52:26,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:52:26,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:52:26,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:52:26,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:52:26,093 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:52:26,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2024-12-06 00:52:28,745 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/fc07f85f4/eab9dcb9b4a74f12ab39039b2a540019/FLAG7e88288a2 [2024-12-06 00:52:28,958 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:28,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2024-12-06 00:52:28,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/fc07f85f4/eab9dcb9b4a74f12ab39039b2a540019/FLAG7e88288a2 [2024-12-06 00:52:29,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/fc07f85f4/eab9dcb9b4a74f12ab39039b2a540019 [2024-12-06 00:52:29,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:29,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:29,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:29,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:29,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:29,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6e7b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29, skipping insertion in model container [2024-12-06 00:52:29,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:29,419 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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2024-12-06 00:52:29,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:29,449 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:29,457 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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2024-12-06 00:52:29,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:29,489 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:29,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29 WrapperNode [2024-12-06 00:52:29,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:29,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:29,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:29,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:29,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,524 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-12-06 00:52:29,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:29,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:29,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:29,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:29,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:29,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:29,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:29,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:29,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:29,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:29,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:29,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:52:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:52:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:52:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:29,669 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:29,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:29,840 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:29,840 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:29,918 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:29,919 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:52:29,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:29 BoogieIcfgContainer [2024-12-06 00:52:29,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:29,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:29,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:29,928 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:29,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:29" (1/1) ... [2024-12-06 00:52:29,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 00:52:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 00:52:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:52:29,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:30,144 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:30,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:30,344 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:52:30,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:52:30 ImpRootNode [2024-12-06 00:52:30,378 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:52:30,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:52:30,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:52:30,379 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:52:30,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:29" (3/4) ... [2024-12-06 00:52:30,382 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:52:30,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:52:30,383 INFO L158 Benchmark]: Toolchain (without parser) took 1065.13ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 56.3MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:52:30,384 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:30,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.88ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:30,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.03ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:30,385 INFO L158 Benchmark]: Boogie Preprocessor took 22.51ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 101.6MB in the end (delta: 995.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:30,385 INFO L158 Benchmark]: RCFGBuilder took 371.25ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 82.7MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:52:30,386 INFO L158 Benchmark]: CodeCheck took 456.43ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 56.7MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:52:30,386 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:30,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 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 68, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] float var_1_6 = 2.375; [L25] float var_1_7 = 10.8; [L26] double var_1_9 = 9.6; [L27] double var_1_12 = 128.5; [L28] unsigned char var_1_13 = 128; [L29] float var_1_14 = 8.5; [L30] unsigned char var_1_15 = 128; [L31] unsigned char last_1_var_1_13 = 128; [L81] isInitial = 1 [L82] FCALL initially() [L84] CALL updateLastVariables() [L74] last_1_var_1_13 = var_1_13 [L84] RET updateLastVariables() [L85] CALL updateVariables() [L57] var_1_4 = __VERIFIER_nondet_uchar() [L58] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L59] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L60] var_1_6 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5] [L62] var_1_7 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L64] var_1_12 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L66] var_1_14 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L68] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L71] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L85] RET updateVariables() [L86] CALL step() [L35] COND TRUE ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13) [L36] var_1_9 = var_1_12 [L38] COND TRUE var_1_9 <= (16.2f / var_1_14) [L39] var_1_13 = (var_1_15 - 5) [L41] unsigned char stepLocal_0 = var_1_9 > var_1_9; [L42] COND FALSE !(stepLocal_0 && var_1_4) [L53] var_1_1 = var_1_13 [L86] RET step() [L87] CALL, EXPR property() [L77-L78] return ((((var_1_9 > var_1_9) && var_1_4) ? ((((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) ? ((! (var_1_9 >= (var_1_6 - var_1_7))) ? (var_1_1 == ((unsigned long int) var_1_13)) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) && ((((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13)) ? (var_1_9 == ((double) var_1_12)) : 1)) && ((var_1_9 <= (16.2f / var_1_14)) ? (var_1_13 == ((unsigned char) (var_1_15 - 5))) : 1) ; [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=2, var_1_13=128, var_1_15=133, var_1_1=128, var_1_4=1, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=128, var_1_12=2, var_1_13=128, var_1_15=133, var_1_1=128, var_1_4=1, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.88ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.03ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.51ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 101.6MB in the end (delta: 995.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.25ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 82.7MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 456.43ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 56.7MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:52:30,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b --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 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:52:32,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:52:32,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:52:32,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:52:32,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:52:32,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:52:32,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:52:32,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:52:32,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:52:32,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:52:32,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:52:32,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:32,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:52:32,439 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:32,440 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:52:32,440 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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b 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 -> 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 [2024-12-06 00:52:32,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:52:32,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:52:32,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:52:32,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:52:32,670 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:52:32,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2024-12-06 00:52:35,365 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/77f367f91/1417eca575e14eea850c02ba4a5350b8/FLAGd6bff1c1c [2024-12-06 00:52:35,558 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:35,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2024-12-06 00:52:35,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/77f367f91/1417eca575e14eea850c02ba4a5350b8/FLAGd6bff1c1c [2024-12-06 00:52:35,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/data/77f367f91/1417eca575e14eea850c02ba4a5350b8 [2024-12-06 00:52:35,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:35,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:35,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:35,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:35,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:35,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d37eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35, skipping insertion in model container [2024-12-06 00:52:35,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:35,727 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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2024-12-06 00:52:35,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:35,765 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:35,772 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_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2024-12-06 00:52:35,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:35,796 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:35,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35 WrapperNode [2024-12-06 00:52:35,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:35,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:35,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:35,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:35,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,830 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-12-06 00:52:35,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:35,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:35,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:35,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:35,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,846 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:35,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:35,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:35,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:35,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:35" (1/1) ... [2024-12-06 00:52:35,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:35,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:35,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:35,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:52:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:52:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:52:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:35,964 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:35,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:39,212 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:39,212 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:39,287 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:39,287 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:52:39,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:39 BoogieIcfgContainer [2024-12-06 00:52:39,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:39,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:39,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:39,294 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:39,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:39" (1/1) ... [2024-12-06 00:52:39,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:39,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 00:52:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 00:52:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:52:39,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:39,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:39,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:52:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:40,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:40,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:52:40,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 00:52:54,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:53:00,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:02,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:04,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 68 transitions. [2024-12-06 00:53:04,941 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-12-06 00:53:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 00:53:04,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:04,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:04,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:53:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:05,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:15,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:53:15,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:38,287 WARN L286 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:53:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 133 proven. 19 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-12-06 00:53:40,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:53:52,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 81 transitions. [2024-12-06 00:53:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2024-12-06 00:53:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 00:53:52,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:52,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:52,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:52,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:52,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:53:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:53,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:54,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:53:54,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 133 proven. 19 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-12-06 00:54:11,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:54:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 81 transitions. [2024-12-06 00:54:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2024-12-06 00:54:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 00:54:14,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:14,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:14,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:14,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:14,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:54:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:15,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:54:25,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:54:25,535 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:54:25,539 INFO L158 Benchmark]: Toolchain (without parser) took 109954.53ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 69.6MB in the beginning and 198.3MB in the end (delta: -128.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-12-06 00:54:25,539 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:54:25,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.18ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:54:25,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.53ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:54:25,541 INFO L158 Benchmark]: Boogie Preprocessor took 22.54ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:54:25,541 INFO L158 Benchmark]: RCFGBuilder took 3433.24ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 63.9MB in the end (delta: -10.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 00:54:25,542 INFO L158 Benchmark]: CodeCheck took 106250.28ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 63.9MB in the beginning and 198.3MB in the end (delta: -134.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-12-06 00:54:25,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.18ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.53ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.54ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3433.24ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 63.9MB in the end (delta: -10.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * CodeCheck took 106250.28ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 63.9MB in the beginning and 198.3MB in the end (delta: -134.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:54:25,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5913fc-9346-4903-9c08-ba6a03c4d4ce/bin/ukojak-verify-CZk0znPC7b/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown