./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c --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_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/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_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/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_6a9b46ae-0dfc-45e3-8510-f59576535067/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 a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:08:11,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:08:11,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:08:11,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:08:11,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:08:11,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:08:11,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:08:11,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:08:11,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:08:11,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:08:11,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:08:11,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:08:11,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:08:11,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:08:11,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:08:11,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:08:11,136 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:08:11,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:08:11,136 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_6a9b46ae-0dfc-45e3-8510-f59576535067/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 -> a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 [2024-12-05 23:08:11,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:08:11,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:08:11,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:08:11,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:08:11,392 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:08:11,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2024-12-05 23:08:14,042 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/data/cddd62b16/a6e208a2aaf745dbb0df65dc92ebad21/FLAGd27cb407b [2024-12-05 23:08:14,281 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:08:14,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2024-12-05 23:08:14,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/data/cddd62b16/a6e208a2aaf745dbb0df65dc92ebad21/FLAGd27cb407b [2024-12-05 23:08:14,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/data/cddd62b16/a6e208a2aaf745dbb0df65dc92ebad21 [2024-12-05 23:08:14,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:08:14,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:08:14,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:08:14,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:08:14,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:08:14,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12831ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14, skipping insertion in model container [2024-12-05 23:08:14,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:08:14,502 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_6a9b46ae-0dfc-45e3-8510-f59576535067/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2024-12-05 23:08:14,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:08:14,633 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:08:14,653 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_6a9b46ae-0dfc-45e3-8510-f59576535067/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2024-12-05 23:08:14,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:08:14,736 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:08:14,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14 WrapperNode [2024-12-05 23:08:14,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:08:14,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:08:14,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:08:14,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:08:14,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,808 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-05 23:08:14,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:08:14,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:08:14,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:08:14,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:08:14,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:08:14,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:08:14,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:08:14,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:08:14,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:14" (1/1) ... [2024-12-05 23:08:14,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:08:14,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:08:14,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:08:14,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:08:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:08:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:08:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:08:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:08:14,984 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:08:14,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:08:16,005 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-05 23:08:16,006 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:08:18,226 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:08:18,226 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:08:18,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:18 BoogieIcfgContainer [2024-12-05 23:08:18,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:08:18,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:08:18,227 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:08:18,237 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:08:18,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:18" (1/1) ... [2024-12-05 23:08:18,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:08:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 23:08:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 23:08:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:08:18,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:18,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 23:08:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 23:08:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:08:18,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:18,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-05 23:08:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-05 23:08:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:08:28,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:28,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 23:08:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-12-05 23:08:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-12-05 23:08:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:08:36,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:36,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2024-12-05 23:08:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-12-05 23:08:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:08:53,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:53,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:12:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-12-05 23:12:42,517 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-12-05 23:12:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:12:42,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:42,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:12:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-12-05 23:12:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-12-05 23:12:53,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:12:53,152 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-05 23:12:53,158 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:12:53,612 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 23:12:53,612 INFO L77 FloydHoareUtils]: At program point L115-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (or (= ~a19~0 9) (= ~a10~0 1)))) (or (and .cse0 .cse1 (<= 23 ~a1~0)) (let ((.cse3 (= ~a19~0 8))) (let ((.cse4 (not .cse3))) (and (not (and .cse2 .cse3)) (or (not (= ~a10~0 4)) .cse4) .cse0 .cse1 (or (<= 0 (+ ~a1~0 12)) .cse4 (not (= ~a10~0 0)))))) (and .cse0 .cse1 .cse2 (< 0 (+ ~a1~0 13))))) [2024-12-05 23:12:53,612 INFO L77 FloydHoareUtils]: At program point L118-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 23:12:53,612 INFO L75 FloydHoareUtils]: For program point L119(line 119) no Hoare annotation was computed. [2024-12-05 23:12:53,612 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-05 23:12:53,613 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:12:53,613 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:12:53,613 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 23:12:53,613 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 119) no Hoare annotation was computed. [2024-12-05 23:12:53,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:12:53 ImpRootNode [2024-12-05 23:12:53,625 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:12:53,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:12:53,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:12:53,625 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:12:53,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:18" (3/4) ... [2024-12-05 23:12:53,628 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:12:53,641 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-05 23:12:53,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 23:12:53,643 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:12:53,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:12:53,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:12:53,746 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:12:53,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:12:53,746 INFO L158 Benchmark]: Toolchain (without parser) took 279432.87ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 91.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 822.2MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,747 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:53,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.53ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.8MB in the end (delta: 27.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.89ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 56.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,748 INFO L158 Benchmark]: Boogie Preprocessor took 62.10ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 51.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,748 INFO L158 Benchmark]: RCFGBuilder took 3354.50ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 51.7MB in the beginning and 74.6MB in the end (delta: -22.9MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,749 INFO L158 Benchmark]: CodeCheck took 275397.32ms. Allocated memory was 243.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 74.6MB in the beginning and 419.3MB in the end (delta: -344.7MB). Peak memory consumption was 670.8MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,749 INFO L158 Benchmark]: Witness Printer took 120.52ms. Allocated memory is still 1.3GB. Free memory was 419.3MB in the beginning and 1.2GB in the end (delta: -737.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-12-05 23:12:53,751 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 274.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 453 IncrementalHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 86 mSDtfsCounter, 453 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 701 GetRequests, 592 SyntacticMatches, 29 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3335 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 271.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 20/65 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: 119]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((a10 != 1) || (a19 != 8)) || (0 < ((long long) a1 + 13))) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a10 != 1) || (a19 != 8)) || (0 < ((long long) a1 + 13))) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.53ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.8MB in the end (delta: 27.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.89ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 56.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.10ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 51.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3354.50ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 51.7MB in the beginning and 74.6MB in the end (delta: -22.9MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. * CodeCheck took 275397.32ms. Allocated memory was 243.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 74.6MB in the beginning and 419.3MB in the end (delta: -344.7MB). Peak memory consumption was 670.8MB. Max. memory is 16.1GB. * Witness Printer took 120.52ms. Allocated memory is still 1.3GB. Free memory was 419.3MB in the beginning and 1.2GB in the end (delta: -737.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:12:53,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a9b46ae-0dfc-45e3-8510-f59576535067/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