./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:00:48,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:00:48,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:00:48,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:00:48,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:00:48,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:00:48,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:00:48,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:00:48,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:00:48,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:00:48,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:00:48,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:00:48,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:00:48,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:00:48,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:00:48,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:00:48,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:00:48,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:00:48,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:00:48,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:00:48,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:00:48,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:00:48,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:00:48,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:00:48,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:00:48,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:00:48,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:00:48,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:00:48,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:00:48,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:00:48,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:00:48,818 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:00:48,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:00:48,818 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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 [2024-11-25 05:00:49,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:00:49,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:00:49,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:00:49,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:00:49,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:00:49,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-25 05:00:52,247 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/4f667378e/e9d963cfc816403d8af5012755b93ec2/FLAGa0ffb3254 [2024-11-25 05:00:52,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:00:52,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-25 05:00:52,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/4f667378e/e9d963cfc816403d8af5012755b93ec2/FLAGa0ffb3254 [2024-11-25 05:00:52,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/4f667378e/e9d963cfc816403d8af5012755b93ec2 [2024-11-25 05:00:52,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:00:52,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:00:52,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:00:52,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:00:52,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:00:52,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e4c664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52, skipping insertion in model container [2024-11-25 05:00:52,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:00:52,757 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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i[913,926] [2024-11-25 05:00:52,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:00:52,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:00:52,849 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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i[913,926] [2024-11-25 05:00:52,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:00:52,890 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:00:52,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52 WrapperNode [2024-11-25 05:00:52,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:00:52,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:00:52,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:00:52,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:00:52,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,953 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-25 05:00:52,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:00:52,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:00:52,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:00:52,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:00:52,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:52,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:53,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:00:53,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:00:53,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:00:53,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:00:53,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:52" (1/1) ... [2024-11-25 05:00:53,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:00:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:00:53,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:00:53,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:00:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:00:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:00:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:00:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:00:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:00:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:00:53,159 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:00:53,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:00:53,460 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 05:00:53,461 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:00:53,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:00:53,588 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:00:53,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:53 BoogieIcfgContainer [2024-11-25 05:00:53,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:00:53,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:00:53,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:00:53,600 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:00:53,600 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:53" (1/1) ... [2024-11-25 05:00:53,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:00:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:00:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:00:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:00:53,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:53,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:00:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:00:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:00:54,066 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:00:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:00:54,201 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:00:54,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:00:54 ImpRootNode [2024-11-25 05:00:54,267 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:00:54,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:00:54,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:00:54,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:00:54,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:53" (3/4) ... [2024-11-25 05:00:54,273 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:00:54,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:00:54,275 INFO L158 Benchmark]: Toolchain (without parser) took 1726.47ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-25 05:00:54,278 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:00:54,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.55ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.9MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:00:54,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.54ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 75.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:00:54,279 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:00:54,280 INFO L158 Benchmark]: RCFGBuilder took 583.59ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 47.9MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:00:54,280 INFO L158 Benchmark]: CodeCheck took 678.79ms. Allocated memory is still 117.4MB. Free memory was 47.9MB in the beginning and 77.0MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:00:54,281 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 76.4MB in the end (delta: 550.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:00:54,286 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 36 NumberOfCodeBlocks, 36 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 56, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] float var_1_12 = 1.125; [L25] float var_1_13 = 199.5; [L26] float var_1_14 = 100000000000000.3; [L27] unsigned char var_1_15 = 64; [L28] unsigned char var_1_16 = 2; [L29] unsigned long int var_1_17 = 50; [L30] signed long int var_1_19 = -32; [L31] float var_1_20 = 8.75; [L32] unsigned char last_1_var_1_15 = 64; [L75] isInitial = 1 [L76] FCALL initially() [L78] CALL updateLastVariables() [L68] last_1_var_1_15 = var_1_15 [L78] RET updateLastVariables() [L79] CALL updateVariables() [L52] var_1_4 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L54] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L55] var_1_13 = __VERIFIER_nondet_float() [L56] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L57] var_1_14 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L59] var_1_16 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L61] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L62] var_1_19 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L64] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L65] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=-257] [L79] RET updateVariables() [L80] CALL step() [L36] var_1_12 = ((0.85f - var_1_13) + var_1_14) [L37] COND TRUE (- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4)))) [L38] var_1_15 = var_1_16 [L40] var_1_20 = var_1_13 [L41] COND TRUE var_1_20 > var_1_20 [L42] var_1_1 = ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))) [L46] signed long int stepLocal_0 = var_1_15 + (var_1_15 + var_1_1); [L47] COND FALSE !(stepLocal_0 != (var_1_15 * (var_1_1 / var_1_19))) [L80] RET step() [L81] CALL, EXPR property() [L71-L72] return (((((var_1_20 > var_1_20) ? (var_1_1 == ((signed short int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : (var_1_1 == ((signed short int) (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))))))) && (var_1_12 == ((float) ((0.85f - var_1_13) + var_1_14)))) && (((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && (((var_1_15 + (var_1_15 + var_1_1)) != (var_1_15 * (var_1_1 / var_1_19))) ? (var_1_17 == ((unsigned long int) (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15))) : 1)) && (var_1_20 == ((float) var_1_13)) ; [L81] RET, EXPR property() [L81] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=256, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=0, var_1_20=2, var_1_4=-257] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=256, var_1_16=256, var_1_17=50, var_1_19=-1, var_1_1=0, var_1_20=2, var_1_4=-257] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.55ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.9MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.54ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 75.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.59ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 47.9MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 678.79ms. Allocated memory is still 117.4MB. Free memory was 47.9MB in the beginning and 77.0MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 76.4MB in the end (delta: 550.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:00:54,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:00:56,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:00:57,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:00:57,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:00:57,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:00:57,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:00:57,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:00:57,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:00:57,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:00:57,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:00:57,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:00:57,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:00:57,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:00:57,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:00:57,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:00:57,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:00:57,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:00:57,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:00:57,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:00:57,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:00:57,086 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:57,087 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:00:57,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:00:57,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:00:57,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:00:57,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:00:57,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:00:57,087 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:00:57,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:57,088 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:00:57,088 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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 [2024-11-25 05:00:57,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:00:57,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:00:57,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:00:57,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:00:57,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:00:57,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-25 05:01:00,406 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/e66958cf9/77527e88cc6b44509f321baa6189d4d8/FLAG5ca21eb57 [2024-11-25 05:01:00,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:01:00,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-25 05:01:00,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/e66958cf9/77527e88cc6b44509f321baa6189d4d8/FLAG5ca21eb57 [2024-11-25 05:01:00,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/data/e66958cf9/77527e88cc6b44509f321baa6189d4d8 [2024-11-25 05:01:00,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:01:00,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:01:00,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:01:00,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:01:00,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:01:00,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:00" (1/1) ... [2024-11-25 05:01:00,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147122e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:00, skipping insertion in model container [2024-11-25 05:01:00,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:00" (1/1) ... [2024-11-25 05:01:00,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:01:01,027 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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i[913,926] [2024-11-25 05:01:01,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:01:01,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:01:01,127 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_2db4aaa5-066d-464a-84b9-b8f32c6f3590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i[913,926] [2024-11-25 05:01:01,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:01:01,183 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:01:01,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01 WrapperNode [2024-11-25 05:01:01,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:01:01,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:01:01,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:01:01,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:01:01,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,227 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-25 05:01:01,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:01:01,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:01:01,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:01:01,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:01:01,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:01:01,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:01:01,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:01:01,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:01:01,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01" (1/1) ... [2024-11-25 05:01:01,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:01:01,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:01:01,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:01:01,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:01:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:01:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:01:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:01:01,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:01:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:01:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:01:01,410 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:01:01,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:01:02,244 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 05:01:02,244 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:01:02,364 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:01:02,364 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:01:02,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:02 BoogieIcfgContainer [2024-11-25 05:01:02,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:01:02,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:01:02,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:01:02,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:01:02,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:02" (1/1) ... [2024-11-25 05:01:02,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:01:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:01:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:01:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:01:02,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:02,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:02,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:02,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:02,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:01:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:03,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:04,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:04,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:03:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:03:26,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:03:29,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:03:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2024-11-25 05:03:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-11-25 05:03:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:03:30,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:30,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:03:30,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:03:30,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:03:30,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:03:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:30,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:03:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:32,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:03:32,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:04:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:04:56,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:04:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:04:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 108 transitions. [2024-11-25 05:04:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 108 transitions. [2024-11-25 05:04:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:04:58,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:04:58,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:04:58,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:04:58,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:04:58,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:04:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:04:58,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:05:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:00,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:05:00,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:07:16,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:07:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 123 transitions. [2024-11-25 05:07:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 123 transitions. [2024-11-25 05:07:18,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:07:18,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:18,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:18,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:18,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:18,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:07:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:18,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:19,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:07:19,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:09:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:09:57,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:09:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 51 states and 131 transitions. [2024-11-25 05:09:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 131 transitions. [2024-11-25 05:09:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:09:59,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:59,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:09:59,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:09:59,158 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:09:59,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:09:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:59,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:01,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:10:01,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:12:27,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:12:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 51 states and 131 transitions. [2024-11-25 05:12:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 131 transitions. [2024-11-25 05:12:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:12:27,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:27,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:27,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:27,535 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:27,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:12:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:28,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:29,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:12:29,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:13:56,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:13:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 53 states and 132 transitions. [2024-11-25 05:13:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 132 transitions. [2024-11-25 05:13:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:13:56,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:56,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:56,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:56,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:56,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:13:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:57,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:58,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:13:58,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:16:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 05:16:06,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 05:16:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 53 states and 132 transitions. [2024-11-25 05:16:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 132 transitions. [2024-11-25 05:16:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:16:07,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:07,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:16:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:16:07,491 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:16:07,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db4aaa5-066d-464a-84b9-b8f32c6f3590/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:16:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:07,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:16:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:09,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:16:09,203 INFO L279 TraceCheckSpWp]: Computing forward predicates...