./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.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_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/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_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/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_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/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 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:32:41,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:32:41,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:32:41,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:32:41,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:32:41,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:32:41,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:32:41,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:32:41,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:32:41,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:32:41,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:32:41,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:32:41,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:32:41,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:32:41,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:32:41,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:32:41,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:32:41,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:32:41,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:32:41,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:32:41,518 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:32:41,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:32:41,518 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_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/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 -> 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 [2024-12-05 21:32:41,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:32:41,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:32:41,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:32:41,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:32:41,772 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:32:41,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2024-12-05 21:32:44,365 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/data/e06843593/603d00b2b5ae4331bb0cb9e646ce2b91/FLAGc3da2c3a4 [2024-12-05 21:32:44,672 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:32:44,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2024-12-05 21:32:44,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/data/e06843593/603d00b2b5ae4331bb0cb9e646ce2b91/FLAGc3da2c3a4 [2024-12-05 21:32:44,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/data/e06843593/603d00b2b5ae4331bb0cb9e646ce2b91 [2024-12-05 21:32:44,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:32:44,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:32:44,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:32:44,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:32:44,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:32:44,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:32:44" (1/1) ... [2024-12-05 21:32:44,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151f8c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:44, skipping insertion in model container [2024-12-05 21:32:44,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:32:44" (1/1) ... [2024-12-05 21:32:44,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:32:45,174 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_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2024-12-05 21:32:45,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:32:45,335 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:32:45,362 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_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2024-12-05 21:32:45,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:32:45,477 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:32:45,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45 WrapperNode [2024-12-05 21:32:45,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:32:45,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:32:45,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:32:45,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:32:45,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,579 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-12-05 21:32:45,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:32:45,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:32:45,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:32:45,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:32:45,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:32:45,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:32:45,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:32:45,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:32:45,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:45" (1/1) ... [2024-12-05 21:32:45,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:32:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:32:45,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:32:45,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:32:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:32:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:32:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:32:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:32:45,808 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:32:45,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:32:47,233 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-05 21:32:47,233 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:32:51,496 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:32:51,496 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:32:51,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:51 BoogieIcfgContainer [2024-12-05 21:32:51,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:32:51,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:32:51,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:32:51,503 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:32:51,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:51" (1/1) ... [2024-12-05 21:32:51,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:32:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 21:32:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 21:32:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:32:51,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:32:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:51,745 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 21:32:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 21:32:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 21:32:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:32:51,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:51,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:32:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:21,688 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 21:33:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-05 21:33:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-05 21:33:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:33:22,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:22,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:33:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:43,626 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 21:34:44,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:34:55,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:34:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-12-05 21:34:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-12-05 21:34:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:34:55,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:55,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:34:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:36:19,786 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 21:36:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:36:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-05 21:36:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-05 21:36:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:36:20,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:36:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:36:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:37:14,708 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 21:37:25,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:37:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:37:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2024-12-05 21:37:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2024-12-05 21:37:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:37:25,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:37:25,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:37:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2024-12-05 21:42:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2024-12-05 21:42:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:42:05,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:05,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 21:42:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 97 transitions. [2024-12-05 21:42:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2024-12-05 21:42:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:42:55,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:55,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 21:44:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2024-12-05 21:44:11,717 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2024-12-05 21:44:11,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:44:11,717 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-05 21:44:11,724 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:44:12,412 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-12-05 21:44:12,412 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (not (let ((.cse0 (= ~a3~0 1)) (.cse1 (= ~a8~0 15)) (.cse2 (= ~a4~0 1))) (and (not (and (not (= ~a25~0 13)) .cse0 .cse1)) (not (and (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (< ~a29~0 278) (not .cse2)) .cse0 .cse1)) (not (and .cse2 (= ~a23~0 312) (<= ~a29~0 130)))))) [2024-12-05 21:44:12,412 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:44:12,412 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (not (let ((.cse0 (= ~a3~0 1)) (.cse1 (= ~a8~0 15)) (.cse2 (= ~a4~0 1))) (and (not (and (not (= ~a25~0 13)) .cse0 .cse1)) (not (and (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (< ~a29~0 278) (not .cse2)) .cse0 .cse1)) (not (and .cse2 (= ~a23~0 312) (<= ~a29~0 130)))))) [2024-12-05 21:44:12,412 INFO L77 FloydHoareUtils]: At program point L192-1(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1)) (.cse1 (= ~a3~0 1)) (.cse2 (= ~a8~0 15))) (or (and (or (not (= ~a25~0 13)) (< 306 ~a23~0) (< ~a29~0 278) (not .cse0)) .cse1 .cse2) (and .cse0 (= ~a23~0 312) (<= ~a29~0 130)) (and (< (+ 599771 ~a23~0) 0) .cse1 .cse2) (and (not (or (< (+ ~a23~0 245) 0) (< 139 ~a23~0))) (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0)) .cse1 .cse2))) [2024-12-05 21:44:12,413 INFO L77 FloydHoareUtils]: At program point L195-1(lines 32 1036) the Hoare annotation is: (not (let ((.cse0 (= ~a3~0 1)) (.cse1 (= ~a8~0 15)) (.cse2 (= ~a4~0 1))) (and (not (and (not (= ~a25~0 13)) .cse0 .cse1)) (not (and (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (< ~a29~0 278) (not .cse2)) .cse0 .cse1)) (not (and .cse2 (= ~a23~0 312) (<= ~a29~0 130)))))) [2024-12-05 21:44:12,413 INFO L75 FloydHoareUtils]: For program point L196(line 196) no Hoare annotation was computed. [2024-12-05 21:44:12,413 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2024-12-05 21:44:12,413 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:44:12,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:44:12 ImpRootNode [2024-12-05 21:44:12,426 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:44:12,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:44:12,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:44:12,427 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:44:12,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:51" (3/4) ... [2024-12-05 21:44:12,430 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:44:12,447 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 273 nodes and edges [2024-12-05 21:44:12,448 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 21:44:12,450 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:44:12,451 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:44:12,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:44:12,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:44:12,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:44:12,588 INFO L158 Benchmark]: Toolchain (without parser) took 687632.76ms. Allocated memory was 142.6MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 114.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-05 21:44:12,588 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:44:12,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.69ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 71.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 21:44:12,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.85ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 54.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:44:12,589 INFO L158 Benchmark]: Boogie Preprocessor took 108.16ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 99.0MB in the end (delta: -44.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-05 21:44:12,589 INFO L158 Benchmark]: RCFGBuilder took 5807.95ms. Allocated memory was 142.6MB in the beginning and 838.9MB in the end (delta: 696.3MB). Free memory was 99.0MB in the beginning and 435.0MB in the end (delta: -336.0MB). Peak memory consumption was 558.0MB. Max. memory is 16.1GB. [2024-12-05 21:44:12,589 INFO L158 Benchmark]: CodeCheck took 680929.23ms. Allocated memory was 838.9MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 435.0MB in the beginning and 1.1GB in the end (delta: -700.3MB). Peak memory consumption was 608.2MB. Max. memory is 16.1GB. [2024-12-05 21:44:12,590 INFO L158 Benchmark]: Witness Printer took 159.64ms. Allocated memory is still 2.1GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:44:12,591 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: 680.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 411 SdHoareTripleChecker+Valid, 114.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 380 SdHoareTripleChecker+Invalid, 114.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 232 mSDsCounter, 184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1048 IncrementalHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 184 mSolverCounterUnsat, 148 mSDtfsCounter, 1048 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1164 GetRequests, 1028 SyntacticMatches, 44 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4169 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 650.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 2040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 48/122 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: 196]: 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: 1044]: Loop Invariant Derived loop invariant: !((!(((a25 != 13) && (a3 == 1)) && (a8 == 15)) && !((((((138 < a23) || (((long long) a23 + 42) < 0)) || (a29 < 278)) || (a4 != 1)) && (a3 == 1)) && (a8 == 15))) && !(((a4 == 1) && (a23 == 312)) && (a29 <= 130))) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: !((!(((a25 != 13) && (a3 == 1)) && (a8 == 15)) && !((((((138 < a23) || (((long long) a23 + 42) < 0)) || (a29 < 278)) || (a4 != 1)) && (a3 == 1)) && (a8 == 15))) && !(((a4 == 1) && (a23 == 312)) && (a29 <= 130))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.69ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 71.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.85ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 54.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.16ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 99.0MB in the end (delta: -44.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5807.95ms. Allocated memory was 142.6MB in the beginning and 838.9MB in the end (delta: 696.3MB). Free memory was 99.0MB in the beginning and 435.0MB in the end (delta: -336.0MB). Peak memory consumption was 558.0MB. Max. memory is 16.1GB. * CodeCheck took 680929.23ms. Allocated memory was 838.9MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 435.0MB in the beginning and 1.1GB in the end (delta: -700.3MB). Peak memory consumption was 608.2MB. Max. memory is 16.1GB. * Witness Printer took 159.64ms. Allocated memory is still 2.1GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:44:12,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e30ace-1703-4aa7-9fc5-b290c5786cb6/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