./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.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_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/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_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/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_b1a2990f-f49f-43ec-a7cc-695c932c5438/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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:37:34,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:37:34,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:37:34,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:37:34,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:37:34,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:37:34,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:37:34,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:37:34,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:37:34,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:37:34,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:37:34,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:37:34,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:37:34,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:37:34,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:37:34,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:37:34,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:37:34,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:37:34,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:37:34,581 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_b1a2990f-f49f-43ec-a7cc-695c932c5438/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 -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2024-12-06 02:37:34,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:37:34,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:37:34,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:37:34,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:37:34,822 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:37:34,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-12-06 02:37:37,422 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/5ea23d72b/b5f49a9fa7b74cb6a15ea7562a8cb8d7/FLAG069777d79 [2024-12-06 02:37:37,633 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:37:37,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-12-06 02:37:37,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/5ea23d72b/b5f49a9fa7b74cb6a15ea7562a8cb8d7/FLAG069777d79 [2024-12-06 02:37:38,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/5ea23d72b/b5f49a9fa7b74cb6a15ea7562a8cb8d7 [2024-12-06 02:37:38,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:37:38,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:37:38,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:37:38,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:37:38,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:37:38,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699be6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38, skipping insertion in model container [2024-12-06 02:37:38,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:37:38,148 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-12-06 02:37:38,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:37:38,193 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:37:38,202 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_b1a2990f-f49f-43ec-a7cc-695c932c5438/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-12-06 02:37:38,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:37:38,226 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:37:38,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38 WrapperNode [2024-12-06 02:37:38,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:37:38,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:37:38,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:37:38,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:37:38,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,258 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-12-06 02:37:38,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:37:38,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:37:38,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:37:38,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:37:38,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,270 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:37:38,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:37:38,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:37:38,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:37:38,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:37:38,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:37:38,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:37:38,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:37:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:37:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:37:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:37:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:37:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:37:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:37:38,374 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:37:38,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:37:38,520 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 02:37:38,520 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:37:38,621 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:37:38,621 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:37:38,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:38 BoogieIcfgContainer [2024-12-06 02:37:38,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:37:38,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:37:38,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:37:38,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:37:38,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:38" (1/1) ... [2024-12-06 02:37:38,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:37:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 02:37:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 02:37:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:37:38,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:37:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:37:38,948 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:37:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:37:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:37:39,093 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:37:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:37:39,148 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:37:39,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:37:39 ImpRootNode [2024-12-06 02:37:39,183 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:37:39,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:37:39,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:37:39,184 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:37:39,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:38" (3/4) ... [2024-12-06 02:37:39,187 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:37:39,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:37:39,188 INFO L158 Benchmark]: Toolchain (without parser) took 1182.14ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 63.8MB in the end (delta: 29.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-06 02:37:39,189 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:37:39,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.73ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:37:39,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.46ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:37:39,190 INFO L158 Benchmark]: Boogie Preprocessor took 20.06ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:37:39,190 INFO L158 Benchmark]: RCFGBuilder took 342.64ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 56.6MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:37:39,190 INFO L158 Benchmark]: CodeCheck took 560.81ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 63.8MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:37:39,191 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:37:39,193 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 49, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someUnaryFLOAToperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 24.575; [L23] double var_1_8 = 128.5; [L24] float var_1_9 = -0.5; [L25] float var_1_10 = 200.4; [L26] unsigned long int var_1_11 = 4; [L27] unsigned char var_1_12 = 1; [L28] unsigned long int var_1_13 = 3607105345; [L29] signed char var_1_14 = 0; [L30] signed char var_1_15 = 0; [L31] signed char var_1_16 = 16; [L32] double last_1_var_1_1 = 24.575; [L33] float last_1_var_1_9 = -0.5; [L85] isInitial = 1 [L86] FCALL initially() [L87] int k_loop; [L88] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=983/40, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2] [L88] COND TRUE k_loop < 1 [L89] CALL updateLastVariables() [L77] last_1_var_1_1 = var_1_1 [L78] last_1_var_1_9 = var_1_9 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L59] var_1_8 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L63] var_1_12 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L66] var_1_13 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L69] var_1_15 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L72] var_1_16 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L90] RET updateVariables() [L91] CALL step() [L37] COND TRUE ((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1 [L38] COND TRUE \read(var_1_12) [L39] var_1_14 = (var_1_15 - var_1_16) [L44] COND TRUE \read(var_1_12) [L45] var_1_11 = ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))) [L49] var_1_9 = ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))))) [L50] COND TRUE var_1_9 <= var_1_9 [L51] COND TRUE (var_1_11 + var_1_11) >= (var_1_14 + var_1_14) [L52] var_1_1 = var_1_8 [L91] RET step() [L92] CALL, EXPR property() [L81-L82] return ((((var_1_9 <= var_1_9) ? (((var_1_11 + var_1_11) >= (var_1_14 + var_1_14)) ? (var_1_1 == ((double) var_1_8)) : 1) : (var_1_1 == ((double) var_1_8))) && (var_1_9 == ((float) ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f))))))))) && (var_1_12 ? (var_1_11 == ((unsigned long int) ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))))) : (var_1_11 == ((unsigned long int) ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))))))) && ((((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) ? (var_1_12 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : 1) : (var_1_14 == ((signed char) var_1_15))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=0, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=3, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=0, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=3, var_1_8=3, var_1_9=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.73ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.46ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.06ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.64ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 56.6MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 560.81ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 63.8MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 21.1kB). 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 02:37:39,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/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_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/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_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/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_b1a2990f-f49f-43ec-a7cc-695c932c5438/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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:37:41,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:37:41,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:37:41,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:37:41,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:37:41,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:37:41,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:37:41,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:37:41,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:37:41,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:37:41,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:37:41,199 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:37:41,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:37:41,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:37:41,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:37:41,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:37:41,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:37:41,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:37:41,201 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:37:41,201 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:41,201 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:37:41,201 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_b1a2990f-f49f-43ec-a7cc-695c932c5438/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 -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2024-12-06 02:37:41,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:37:41,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:37:41,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:37:41,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:37:41,451 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:37:41,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-12-06 02:37:44,136 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/9a9bd3cd1/7e6fd044a27e4e1e9e4b160cfddabd0a/FLAGe7610b824 [2024-12-06 02:37:44,332 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:37:44,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-12-06 02:37:44,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/9a9bd3cd1/7e6fd044a27e4e1e9e4b160cfddabd0a/FLAGe7610b824 [2024-12-06 02:37:44,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/data/9a9bd3cd1/7e6fd044a27e4e1e9e4b160cfddabd0a [2024-12-06 02:37:44,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:37:44,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:37:44,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:37:44,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:37:44,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:37:44,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274baea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44, skipping insertion in model container [2024-12-06 02:37:44,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:37:44,796 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_b1a2990f-f49f-43ec-a7cc-695c932c5438/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-12-06 02:37:44,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:37:44,834 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:37:44,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-12-06 02:37:44,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:37:44,874 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:37:44,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44 WrapperNode [2024-12-06 02:37:44,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:37:44,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:37:44,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:37:44,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:37:44,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,907 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-12-06 02:37:44,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:37:44,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:37:44,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:37:44,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:37:44,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:37:44,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:37:44,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:37:44,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:37:44,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:37:44" (1/1) ... [2024-12-06 02:37:44,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:37:44,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:37:44,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:37:44,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:37:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:37:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:37:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:37:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:37:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:37:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:37:45,038 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:37:45,040 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:37:45,605 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 02:37:45,605 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:37:45,689 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:37:45,689 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:37:45,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:45 BoogieIcfgContainer [2024-12-06 02:37:45,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:37:45,690 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:37:45,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:37:45,697 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:37:45,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:45" (1/1) ... [2024-12-06 02:37:45,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:37:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 02:37:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 02:37:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:37:45,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:45,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:45,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:37:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:46,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:46,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:37:46,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:45,438 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 645 DAG size of output: 479 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:44:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 02:44:28,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:44:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 84 transitions. [2024-12-06 02:44:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-12-06 02:44:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 02:44:31,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:31,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:31,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:31,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:31,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:44:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:32,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:32,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:44:32,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 217 proven. 1 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 02:44:32,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:44:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 65 states and 118 transitions. [2024-12-06 02:44:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2024-12-06 02:44:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 02:44:38,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:38,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:38,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:38,073 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:38,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:44:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:38,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:39,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:44:39,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 437 proven. 1 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-12-06 02:44:39,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:44:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 25 states and 34 transitions. [2024-12-06 02:44:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-12-06 02:44:39,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:44:39,709 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 02:44:39,718 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L64(line 64) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L64-1(line 64) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L60(line 60) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L60-1(line 60) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L73-1(line 73) the Hoare annotation is: true [2024-12-06 02:44:42,317 INFO L77 FloydHoareUtils]: At program point L65(line 65) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L74(lines 58 75) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L70(line 70) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L70-1(line 70) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L62(line 62) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L62-1(line 62) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L67(line 67) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L67-1(line 67) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L88-3(lines 88 94) the Hoare annotation is: true [2024-12-06 02:44:42,318 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: true [2024-12-06 02:44:42,319 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-12-06 02:44:42,319 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-12-06 02:44:42,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:44:42 ImpRootNode [2024-12-06 02:44:42,329 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:44:42,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:44:42,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:44:42,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:44:42,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:45" (3/4) ... [2024-12-06 02:44:42,332 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:44:42,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 02:44:42,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-12-06 02:44:42,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-06 02:44:42,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 02:44:42,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:44:42,404 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:44:42,405 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:44:42,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:44:42,406 INFO L158 Benchmark]: Toolchain (without parser) took 417712.99ms. Allocated memory was 92.3MB in the beginning and 780.1MB in the end (delta: 687.9MB). Free memory was 70.1MB in the beginning and 408.6MB in the end (delta: -338.5MB). Peak memory consumption was 344.1MB. Max. memory is 16.1GB. [2024-12-06 02:44:42,406 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:42,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.54ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.8MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:42,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.38ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:42,407 INFO L158 Benchmark]: Boogie Preprocessor took 25.28ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:42,407 INFO L158 Benchmark]: RCFGBuilder took 755.64ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 61.0MB in the end (delta: -7.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 02:44:42,407 INFO L158 Benchmark]: CodeCheck took 416638.77ms. Allocated memory was 92.3MB in the beginning and 780.1MB in the end (delta: 687.9MB). Free memory was 61.0MB in the beginning and 412.6MB in the end (delta: -351.6MB). Peak memory consumption was 332.2MB. Max. memory is 16.1GB. [2024-12-06 02:44:42,408 INFO L158 Benchmark]: Witness Printer took 75.47ms. Allocated memory is still 780.1MB. Free memory was 412.6MB in the beginning and 408.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:42,410 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 414.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 169 SdHoareTripleChecker+Invalid, 10.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 681 IncrementalHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 45 mSDtfsCounter, 681 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1955 GetRequests, 1907 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 401.9s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 2407 SizeOfPredicates, 14 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1390/1413 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_9 == \old(last_1_var_1_9))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.54ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.8MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.38ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.28ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 755.64ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 61.0MB in the end (delta: -7.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 416638.77ms. Allocated memory was 92.3MB in the beginning and 780.1MB in the end (delta: 687.9MB). Free memory was 61.0MB in the beginning and 412.6MB in the end (delta: -351.6MB). Peak memory consumption was 332.2MB. Max. memory is 16.1GB. * Witness Printer took 75.47ms. Allocated memory is still 780.1MB. Free memory was 412.6MB in the beginning and 408.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:44:42,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a2990f-f49f-43ec-a7cc-695c932c5438/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE