./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.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_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/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_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/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_7455de02-700d-47dc-8fb3-54bb1e063675/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 c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:15:38,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:15:38,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:15:38,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:15:38,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:15:38,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:15:38,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:15:38,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:15:38,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:15:38,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:15:38,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:15:38,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:15:38,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:15:38,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:15:38,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:15:38,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:15:38,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:15:38,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:15:38,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:38,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:15:38,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:15:38,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:15:38,351 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:15:38,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:15:38,351 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_7455de02-700d-47dc-8fb3-54bb1e063675/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 -> c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 [2024-12-06 01:15:38,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:15:38,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:15:38,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:15:38,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:15:38,598 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:15:38,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2024-12-06 01:15:41,265 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/data/3524fb298/031e9cff58cf4804be76fd4b36474ac7/FLAG0811e844e [2024-12-06 01:15:41,511 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:15:41,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2024-12-06 01:15:41,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/data/3524fb298/031e9cff58cf4804be76fd4b36474ac7/FLAG0811e844e [2024-12-06 01:15:41,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/data/3524fb298/031e9cff58cf4804be76fd4b36474ac7 [2024-12-06 01:15:41,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:15:41,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:15:41,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:41,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:15:41,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:15:41,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:41,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d0e229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41, skipping insertion in model container [2024-12-06 01:15:41,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:41,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:15:41,735 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_7455de02-700d-47dc-8fb3-54bb1e063675/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2024-12-06 01:15:41,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:41,862 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:15:41,877 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_7455de02-700d-47dc-8fb3-54bb1e063675/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2024-12-06 01:15:41,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:41,960 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:15:41,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41 WrapperNode [2024-12-06 01:15:41,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:41,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:41,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:15:41,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:15:41,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:41,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,023 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 01:15:42,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:42,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:15:42,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:15:42,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:15:42,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:15:42,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:15:42,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:15:42,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:15:42,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:41" (1/1) ... [2024-12-06 01:15:42,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:15:42,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:15:42,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:15:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:15:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:15:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:15:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:15:42,195 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:15:42,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:15:43,124 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 01:15:43,125 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:15:45,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:15:45,267 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:15:45,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:45 BoogieIcfgContainer [2024-12-06 01:15:45,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:15:45,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:15:45,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:15:45,278 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:15:45,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:45" (1/1) ... [2024-12-06 01:15:45,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:15:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:15:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:15:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:15:45,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:45,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:15:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 01:15:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 01:15:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:15:45,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:15:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 01:15:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 01:15:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:15:54,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:16:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-12-06 01:16:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-12-06 01:16:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:16:11,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:16:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2024-12-06 01:16:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2024-12-06 01:16:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:16:28,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:28,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:16:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2024-12-06 01:16:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2024-12-06 01:16:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:16:39,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:39,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:16:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2024-12-06 01:16:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2024-12-06 01:16:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:16:50,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:50,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2024-12-06 01:17:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2024-12-06 01:17:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:17:01,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:01,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:17:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:30,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2024-12-06 01:17:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2024-12-06 01:17:30,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:17:30,685 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 01:17:30,691 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:17:31,286 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 01:17:31,287 INFO L77 FloydHoareUtils]: At program point L76-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 01:17:31,287 INFO L77 FloydHoareUtils]: At program point L79-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 01:17:31,287 INFO L75 FloydHoareUtils]: For program point L80(line 80) no Hoare annotation was computed. [2024-12-06 01:17:31,287 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 01:17:31,287 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:17:31,287 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:17:31,287 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 01:17:31,287 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2024-12-06 01:17:31,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:17:31 ImpRootNode [2024-12-06 01:17:31,296 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:17:31,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:17:31,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:17:31,297 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:17:31,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:45" (3/4) ... [2024-12-06 01:17:31,299 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:17:31,307 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-12-06 01:17:31,308 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 01:17:31,308 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:17:31,309 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:17:31,415 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:17:31,415 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:17:31,415 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:17:31,416 INFO L158 Benchmark]: Toolchain (without parser) took 109874.73ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 115.7MB in the beginning and 1.0GB in the end (delta: -912.1MB). Peak memory consumption was 636.9MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,416 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:17:31,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.37ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 88.8MB in the end (delta: 27.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.46ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 81.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,417 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 76.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,417 INFO L158 Benchmark]: RCFGBuilder took 3184.49ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 76.7MB in the beginning and 415.2MB in the end (delta: -338.5MB). Peak memory consumption was 171.1MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,418 INFO L158 Benchmark]: CodeCheck took 106028.49ms. Allocated memory was 511.7MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 415.2MB in the beginning and 1.0GB in the end (delta: -625.1MB). Peak memory consumption was 559.2MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,418 INFO L158 Benchmark]: Witness Printer took 118.25ms. Allocated memory is still 1.7GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:31,420 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: 105.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 998 IncrementalHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 140 mSDtfsCounter, 998 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1092 GetRequests, 940 SyntacticMatches, 52 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5088 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 100.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 1476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 56/107 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: 80]: 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 != 2) || (218 < a1)) || (a19 != 8)) || (a1 < 39)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((a10 != 2) || (218 < a1)) || (a19 != 8)) || (a1 < 39)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.37ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 88.8MB in the end (delta: 27.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.46ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 81.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 76.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3184.49ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 76.7MB in the beginning and 415.2MB in the end (delta: -338.5MB). Peak memory consumption was 171.1MB. Max. memory is 16.1GB. * CodeCheck took 106028.49ms. Allocated memory was 511.7MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 415.2MB in the beginning and 1.0GB in the end (delta: -625.1MB). Peak memory consumption was 559.2MB. Max. memory is 16.1GB. * Witness Printer took 118.25ms. Allocated memory is still 1.7GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:17:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7455de02-700d-47dc-8fb3-54bb1e063675/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