./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label04.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_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3 --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 b7b6f186ede66b25b51c633a55bb25e291eb69596590009e014f685be0bc2be5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:57,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:57,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:14:57,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:57,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:57,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:57,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:57,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:57,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:57,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:57,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:57,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:57,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:14:57,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:57,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:14:57,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:57,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:57,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:57,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:57,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:14:57,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:57,473 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:57,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:57,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:57,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:57,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:57,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:57,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:57,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:57,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:57,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:57,474 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:57,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:57,475 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_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3 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 -> b7b6f186ede66b25b51c633a55bb25e291eb69596590009e014f685be0bc2be5 [2024-11-25 05:14:57,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:57,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:57,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:57,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:57,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:57,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2024-11-25 05:15:00,623 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/data/4b5fb6589/62dfd6cc3aac4f3a9b26139ad0a96ae7/FLAGf03bd08a3 [2024-11-25 05:15:01,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:15:01,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2024-11-25 05:15:01,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/data/4b5fb6589/62dfd6cc3aac4f3a9b26139ad0a96ae7/FLAGf03bd08a3 [2024-11-25 05:15:01,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/data/4b5fb6589/62dfd6cc3aac4f3a9b26139ad0a96ae7 [2024-11-25 05:15:01,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:15:01,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:15:01,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:15:01,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:15:01,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:15:01,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744b2308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01, skipping insertion in model container [2024-11-25 05:15:01,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:15:01,400 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_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/sv-benchmarks/c/eca-rers2012/Problem10_label04.c[7502,7515] [2024-11-25 05:15:01,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:15:01,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:15:01,619 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_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/sv-benchmarks/c/eca-rers2012/Problem10_label04.c[7502,7515] [2024-11-25 05:15:01,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:15:01,705 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:15:01,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01 WrapperNode [2024-11-25 05:15:01,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:15:01,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:15:01,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:15:01,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:15:01,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,823 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 05:15:01,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:15:01,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:15:01,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:15:01,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:15:01,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:15:01,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:15:01,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:15:01,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:15:01,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:01" (1/1) ... [2024-11-25 05:15:01,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:15:01,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:15:01,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:15:01,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:15:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:15:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:15:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:15:02,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:15:02,073 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:15:02,075 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:15:03,518 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 05:15:03,518 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:15:06,625 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:15:06,626 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:15:06,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:15:06 BoogieIcfgContainer [2024-11-25 05:15:06,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:15:06,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:15:06,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:15:06,638 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:15:06,638 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:15:06" (1/1) ... [2024-11-25 05:15:06,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:15:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 05:15:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 05:15:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:15:06,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:06,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:15:07,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 05:15:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 05:15:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:15:07,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:07,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:15:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-11-25 05:15:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-11-25 05:15:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:15:21,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:21,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:15:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2024-11-25 05:15:46,071 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2024-11-25 05:15:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:15:46,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:46,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:15:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2024-11-25 05:15:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2024-11-25 05:15:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:15:58,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:58,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 05:16:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2024-11-25 05:16:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2024-11-25 05:16:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:16:10,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:16:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2024-11-25 05:16:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2024-11-25 05:16:22,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:16:22,143 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 05:16:22,151 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:16:22,591 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 05:16:22,591 INFO L77 FloydHoareUtils]: At program point L208-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 05:16:22,591 INFO L77 FloydHoareUtils]: At program point L211-1(lines 30 584) the Hoare annotation is: (not (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (and (not (and (< 218 ~a1~0) .cse0 .cse1)) (not (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1))) .cse0 .cse1))))) [2024-11-25 05:16:22,591 INFO L75 FloydHoareUtils]: For program point L212(line 212) no Hoare annotation was computed. [2024-11-25 05:16:22,591 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 05:16:22,591 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:16:22,592 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:16:22,592 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 05:16:22,592 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2024-11-25 05:16:22,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:16:22 ImpRootNode [2024-11-25 05:16:22,606 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:16:22,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:16:22,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:16:22,607 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:16:22,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:15:06" (3/4) ... [2024-11-25 05:16:22,609 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:16:22,624 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2024-11-25 05:16:22,625 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 05:16:22,626 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:16:22,627 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:16:22,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:16:22,797 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:16:22,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:16:22,800 INFO L158 Benchmark]: Toolchain (without parser) took 81743.15ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 92.1MB in the beginning and 1.0GB in the end (delta: -957.5MB). Peak memory consumption was 745.6MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,800 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:16:22,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.12ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 65.2MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.83ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 57.5MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,801 INFO L158 Benchmark]: Boogie Preprocessor took 101.20ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 53.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,801 INFO L158 Benchmark]: RCFGBuilder took 4700.67ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 53.1MB in the beginning and 419.3MB in the end (delta: -366.2MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,802 INFO L158 Benchmark]: CodeCheck took 75978.53ms. Allocated memory was 536.9MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 419.3MB in the beginning and 1.1GB in the end (delta: -642.7MB). Peak memory consumption was 644.0MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,802 INFO L158 Benchmark]: Witness Printer took 190.79ms. Allocated memory is still 1.8GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:22,806 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: 75.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 635 IncrementalHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 80 mSDtfsCounter, 635 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 808 GetRequests, 685 SyntacticMatches, 35 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3600 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 69.8s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 40/76 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: 212]: 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: ((((((a19 != 6) || (a10 != 1)) || (((long long) a1 + 12) < 0)) || (38 < a1)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: !(!(((218 < a1) && (14 == a4)) && (a12 == 0)) && !((((a19 != 6) || (a10 != 1)) && (14 == a4)) && (a12 == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.12ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 65.2MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.83ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 57.5MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.20ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 53.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4700.67ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 53.1MB in the beginning and 419.3MB in the end (delta: -366.2MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. * CodeCheck took 75978.53ms. Allocated memory was 536.9MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 419.3MB in the beginning and 1.1GB in the end (delta: -642.7MB). Peak memory consumption was 644.0MB. Max. memory is 16.1GB. * Witness Printer took 190.79ms. Allocated memory is still 1.8GB. Free memory was 1.1GB 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! [2024-11-25 05:16:22,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d2c4-1e01-4a3a-bce8-f5a9931143ff/bin/ukojak-verify-ENZ3QT5qd3/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