./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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 01455e7c8aff792a978e20323062f0f7b0c441ba70dceb4bfdd7b2a7e2a8be23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:29:57,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:29:57,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:29:57,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:29:57,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:29:57,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:29:57,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:29:57,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:29:57,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:29:57,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:29:57,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:29:57,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:29:57,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:29:57,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:57,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:29:57,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:29:57,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:29:57,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:29:57,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:29:57,552 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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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 -> 01455e7c8aff792a978e20323062f0f7b0c441ba70dceb4bfdd7b2a7e2a8be23 [2024-12-06 01:29:57,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:29:57,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:29:57,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:29:57,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:29:57,789 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:29:57,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i [2024-12-06 01:30:00,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/2519af107/73856c3743e540b7afe3b72ed1a2f0be/FLAG2b7ab8e64 [2024-12-06 01:30:00,589 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:30:00,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i [2024-12-06 01:30:00,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/2519af107/73856c3743e540b7afe3b72ed1a2f0be/FLAG2b7ab8e64 [2024-12-06 01:30:00,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/2519af107/73856c3743e540b7afe3b72ed1a2f0be [2024-12-06 01:30:00,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:30:00,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:30:00,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:30:00,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:30:00,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:30:00,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b357057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00, skipping insertion in model container [2024-12-06 01:30:00,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:30:00,764 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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i[915,928] [2024-12-06 01:30:00,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:30:00,810 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:30:00,820 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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i[915,928] [2024-12-06 01:30:00,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:30:00,852 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:30:00,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00 WrapperNode [2024-12-06 01:30:00,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:30:00,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:30:00,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:30:00,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:30:00,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,889 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-12-06 01:30:00,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:30:00,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:30:00,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:30:00,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:30:00,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:30:00,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:30:00,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:30:00,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:30:00,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:00" (1/1) ... [2024-12-06 01:30:00,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:30:00,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:30:00,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:30:00,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:30:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:30:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:30:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:30:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:30:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:30:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:30:01,031 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:30:01,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:30:01,249 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 01:30:01,249 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:30:01,337 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:30:01,337 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:30:01,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:01 BoogieIcfgContainer [2024-12-06 01:30:01,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:30:01,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:30:01,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:30:01,345 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:30:01,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:01" (1/1) ... [2024-12-06 01:30:01,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:30:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:30:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 01:30:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 01:30:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:30:01,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:30:01,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:30:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:30:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:30:01,657 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:30:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:30:01,752 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:30:01,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:30:01 ImpRootNode [2024-12-06 01:30:01,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:30:01,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:30:01,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:30:01,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:30:01,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:01" (3/4) ... [2024-12-06 01:30:01,801 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:30:01,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:30:01,802 INFO L158 Benchmark]: Toolchain (without parser) took 1189.46ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 109.3MB in the end (delta: 8.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-12-06 01:30:01,803 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:30:01,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.17ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 104.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:30:01,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:30:01,804 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:30:01,804 INFO L158 Benchmark]: RCFGBuilder took 422.69ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 75.7MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:30:01,805 INFO L158 Benchmark]: CodeCheck took 458.18ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 110.0MB in the end (delta: -34.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-12-06 01:30:01,805 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 109.3MB in the end (delta: 66.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:30:01,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, 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 80, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] signed long int var_1_2 = 8; [L24] unsigned char var_1_3 = 25; [L25] unsigned char var_1_4 = 100; [L26] float var_1_5 = 99999999999.5; [L27] unsigned char var_1_6 = 4; [L28] float var_1_7 = 63.75; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char last_1_var_1_1 = 64; [L32] unsigned char last_1_var_1_9 = 0; [L94] isInitial = 1 [L95] FCALL initially() [L96] int k_loop; [L97] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=8, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L97] COND TRUE k_loop < 1 [L98] CALL updateLastVariables() [L86] last_1_var_1_1 = var_1_1 [L87] last_1_var_1_9 = var_1_9 [L98] RET updateLastVariables() [L99] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L69] var_1_3 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L72] var_1_4 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L75] var_1_6 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_6 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 <= 255) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_7=255/4, var_1_9=0] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_9=0] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=-255, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=-255, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=-255, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=-255, var_1_1=64, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=199999999999/2, var_1_6=1, var_1_9=0] [L99] RET updateVariables() [L100] CALL step() [L36] signed long int stepLocal_3 = last_1_var_1_1; [L37] signed long int stepLocal_2 = var_1_3 / var_1_6; [L38] COND FALSE !(var_1_3 < stepLocal_3) [L43] COND FALSE !(\read(last_1_var_1_9)) [L46] var_1_5 = var_1_7 [L49] signed long int stepLocal_1 = var_1_2; [L50] signed long int stepLocal_0 = var_1_2; [L51] COND TRUE stepLocal_1 <= -256 [L52] var_1_1 = ((((var_1_3) < (((var_1_4 - 8) + 5))) ? (var_1_3) : (((var_1_4 - 8) + 5)))) [L60] unsigned char stepLocal_4 = (var_1_1 + 64u) != var_1_4; [L61] COND TRUE (var_1_5 >= var_1_7) || stepLocal_4 [L62] var_1_9 = var_1_10 [L100] RET step() [L101] CALL, EXPR property() [L90-L91] return (((var_1_2 <= -256) ? (var_1_1 == ((unsigned char) ((((var_1_3) < (((var_1_4 - 8) + 5))) ? (var_1_3) : (((var_1_4 - 8) + 5)))))) : ((var_1_4 <= var_1_2) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((var_1_3 < last_1_var_1_1) ? ((var_1_4 < (var_1_3 / var_1_6)) ? (var_1_5 == ((float) (var_1_7 - 16.55f))) : 1) : (last_1_var_1_9 ? (var_1_5 == ((float) var_1_7)) : (var_1_5 == ((float) var_1_7))))) && (((var_1_5 >= var_1_7) || ((var_1_1 + 64u) != var_1_4)) ? (var_1_9 == ((unsigned char) var_1_10)) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=-255, var_1_1=123, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=2, var_1_6=1, var_1_7=2, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=-255, var_1_1=123, var_1_2=-256, var_1_3=-389, var_1_4=127, var_1_5=2, var_1_6=1, var_1_7=2, var_1_9=-255] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.17ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 104.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.47ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.69ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 75.7MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 458.18ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 110.0MB in the end (delta: -34.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 109.3MB in the end (delta: 66.1kB). 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 01:30:01,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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 01455e7c8aff792a978e20323062f0f7b0c441ba70dceb4bfdd7b2a7e2a8be23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:30:03,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:30:03,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:30:03,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:30:03,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:30:03,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:30:03,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:30:03,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:30:03,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:30:03,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:30:03,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:30:03,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:30:03,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:30:03,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:30:03,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:30:03,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:30:03,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:30:03,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:30:03,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:30:03,982 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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/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 -> 01455e7c8aff792a978e20323062f0f7b0c441ba70dceb4bfdd7b2a7e2a8be23 [2024-12-06 01:30:04,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:30:04,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:30:04,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:30:04,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:30:04,245 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:30:04,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i [2024-12-06 01:30:06,931 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/e905cb5a4/3ffd5774951f40b1b36905f0e6366fcc/FLAG7b7f5274a [2024-12-06 01:30:07,096 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:30:07,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i [2024-12-06 01:30:07,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/e905cb5a4/3ffd5774951f40b1b36905f0e6366fcc/FLAG7b7f5274a [2024-12-06 01:30:07,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/data/e905cb5a4/3ffd5774951f40b1b36905f0e6366fcc [2024-12-06 01:30:07,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:30:07,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:30:07,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:30:07,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:30:07,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:30:07,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204978d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07, skipping insertion in model container [2024-12-06 01:30:07,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:30:07,616 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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i[915,928] [2024-12-06 01:30:07,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:30:07,670 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:30:07,680 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_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-58.i[915,928] [2024-12-06 01:30:07,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:30:07,710 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:30:07,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07 WrapperNode [2024-12-06 01:30:07,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:30:07,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:30:07,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:30:07,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:30:07,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,744 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-12-06 01:30:07,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:30:07,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:30:07,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:30:07,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:30:07,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:30:07,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:30:07,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:30:07,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:30:07,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:07" (1/1) ... [2024-12-06 01:30:07,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:30:07,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:30:07,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:30:07,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:30:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:30:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:30:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:30:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:30:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:30:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:30:07,889 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:30:07,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:30:08,216 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 01:30:08,216 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:30:08,312 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:30:08,312 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:30:08,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:08 BoogieIcfgContainer [2024-12-06 01:30:08,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:30:08,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:30:08,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:30:08,323 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:30:08,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:08" (1/1) ... [2024-12-06 01:30:08,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:30:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:30:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 01:30:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 01:30:08,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:30:08,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:30:08,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:30:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:30:08,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:30:08,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:30:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:30:08,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:30:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:30:08,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:30:08,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:31:41,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:31:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2024-12-06 01:31:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2024-12-06 01:31:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:31:42,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:42,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:42,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:42,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:42,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:31:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:43,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:43,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:31:43,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:33:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:33:12,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 01:33:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:33:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2024-12-06 01:33:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2024-12-06 01:33:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:33:12,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:33:12,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:33:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:33:12,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:33:12,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:33:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:33:13,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:33:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:33:13,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:33:13,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:34:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:34:42,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:34:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2024-12-06 01:34:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2024-12-06 01:34:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:34:42,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:42,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:34:42,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:34:42,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:34:42,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:34:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:43,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:34:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:43,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:34:43,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:36:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:36:13,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:36:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 59 states and 140 transitions. [2024-12-06 01:36:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 140 transitions. [2024-12-06 01:36:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:36:14,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:14,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:14,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:36:14,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:36:14,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:36:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:14,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:14,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:36:14,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:37:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:37:50,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 01:37:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:37:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 61 states and 159 transitions. [2024-12-06 01:37:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 159 transitions. [2024-12-06 01:37:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:37:51,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:37:51,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:37:51,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:37:51,903 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:37:51,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:37:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:37:52,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:37:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:37:52,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:37:52,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:39:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:39:24,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 01:39:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:25,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 61 states and 159 transitions. [2024-12-06 01:39:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 159 transitions. [2024-12-06 01:39:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:39:25,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:25,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:25,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:39:25,293 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:39:25,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:39:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:25,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:39:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:25,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:39:25,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:40:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:40:57,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 01:40:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:40:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 61 states and 159 transitions. [2024-12-06 01:40:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 159 transitions. [2024-12-06 01:40:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:40:57,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:40:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:40:57,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:40:57,815 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:40:57,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:40:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:40:58,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:40:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:40:58,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:40:58,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:42:28,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 01:42:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 61 states and 159 transitions. [2024-12-06 01:42:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 159 transitions. [2024-12-06 01:42:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:42:28,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:28,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:42:28,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:42:28,784 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:42:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:42:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:29,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:42:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:29,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:42:29,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:43:59,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 01:43:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 61 states and 159 transitions. [2024-12-06 01:43:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 159 transitions. [2024-12-06 01:43:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:43:59,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:59,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:43:59,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:43:59,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:43:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ba4c8f-74cf-4fe1-b399-e28feee99ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:43:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:59,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:43:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:59,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:43:59,929 INFO L279 TraceCheckSpWp]: Computing forward predicates...