./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm --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 535dbebf4ce6a7ec11f5b755a1855e1582d49bc603e03e005b37e577f59ff54b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:23:02,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:23:02,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:23:02,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:23:02,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:23:02,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:23:02,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:23:02,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:23:02,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:23:02,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:23:02,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:23:02,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:23:02,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:23:02,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:23:02,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:02,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:23:02,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:23:02,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:23:02,546 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:23:02,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:23:02,546 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_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm 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 -> 535dbebf4ce6a7ec11f5b755a1855e1582d49bc603e03e005b37e577f59ff54b [2024-11-13 22:23:02,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:23:02,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:23:02,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:23:02,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:23:02,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:23:02,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label16.c Unable to find full path for "g++" [2024-11-13 22:23:04,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:23:05,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:23:05,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/sv-benchmarks/c/eca-rers2012/Problem10_label16.c [2024-11-13 22:23:05,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/data/bb5517c82/dc99ebeb455d423cab222720cfcf7a90/FLAGb7a6ae8c1 [2024-11-13 22:23:05,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/data/bb5517c82/dc99ebeb455d423cab222720cfcf7a90 [2024-11-13 22:23:05,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:23:05,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:23:05,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:05,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:23:05,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:23:05,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78841e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05, skipping insertion in model container [2024-11-13 22:23:05,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:23:05,430 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_179d0a47-7295-4c35-a4d9-35247dea7960/sv-benchmarks/c/eca-rers2012/Problem10_label16.c[3920,3933] [2024-11-13 22:23:05,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:05,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:23:05,691 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_179d0a47-7295-4c35-a4d9-35247dea7960/sv-benchmarks/c/eca-rers2012/Problem10_label16.c[3920,3933] [2024-11-13 22:23:05,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:05,834 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:23:05,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05 WrapperNode [2024-11-13 22:23:05,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:05,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:05,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:23:05,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:23:05,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,939 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:23:05,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:05,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:23:05,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:23:05,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:23:05,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:06,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:06,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:06,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:06,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:23:06,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:23:06,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:23:06,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:23:06,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:06,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:06,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:23:06,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:23:06,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:23:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:23:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:23:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:23:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:23:06,195 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:23:06,197 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:23:07,722 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:23:07,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:23:10,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:23:10,729 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:23:10,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:10 BoogieIcfgContainer [2024-11-13 22:23:10,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:23:10,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:23:10,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:23:10,741 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:23:10,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:10" (1/1) ... [2024-11-13 22:23:10,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:23:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:23:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:23:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:23:10,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:10,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:23:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:23:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:23:11,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:23:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:23:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:24,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 22:23:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 22:23:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:42,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:42,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:23:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-11-13 22:23:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-11-13 22:23:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:23:52,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:52,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:24:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-13 22:24:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-13 22:24:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:24:02,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:02,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:24:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-11-13 22:24:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-11-13 22:24:12,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:24:12,910 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:24:12,919 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:24:13,175 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (or (not (= ~a10~0 4)) (< 117 ~a1~0)) .cse1) (and (or (not (= ~a19~0 6)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-11-13 22:24:13,177 INFO L77 FloydHoareUtils]: At program point L109-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 218 ~a1~0) (not (= ~a10~0 4)))) [2024-11-13 22:24:13,178 INFO L77 FloydHoareUtils]: At program point L112-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 218 ~a1~0) (not (= ~a10~0 4)))) [2024-11-13 22:24:13,178 INFO L75 FloydHoareUtils]: For program point L113(line 113) no Hoare annotation was computed. [2024-11-13 22:24:13,178 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 22:24:13,178 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:24:13,178 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:24:13,179 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (or (not (= ~a10~0 4)) (< 117 ~a1~0)) .cse1) (and (or (not (= ~a19~0 6)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-11-13 22:24:13,179 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2024-11-13 22:24:13,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:24:13 ImpRootNode [2024-11-13 22:24:13,204 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:24:13,205 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:24:13,205 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:24:13,205 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:24:13,206 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:10" (3/4) ... [2024-11-13 22:24:13,209 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:24:13,231 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 22:24:13,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:24:13,237 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:24:13,238 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:24:13,401 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:24:13,401 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:24:13,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:24:13,403 INFO L158 Benchmark]: Toolchain (without parser) took 68276.34ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 93.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 291.1MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,404 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:24:13,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.26ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 66.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.39ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 58.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,409 INFO L158 Benchmark]: Boogie Preprocessor took 87.20ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 54.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,409 INFO L158 Benchmark]: RCFGBuilder took 4698.18ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 54.5MB in the beginning and 116.6MB in the end (delta: -62.1MB). Peak memory consumption was 142.0MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,409 INFO L158 Benchmark]: CodeCheck took 62474.10ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 116.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,410 INFO L158 Benchmark]: Witness Printer took 197.47ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:13,412 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: 62.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 449 IncrementalHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 84 mSDtfsCounter, 449 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 689 GetRequests, 594 SyntacticMatches, 35 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1798 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 58.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 34/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 113]: 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: ((((14 == a4) && ((a10 != 4) || (117 < a1))) && (a12 == 0)) || ((((a19 != 6) || (((long long) a1 + 13) < 0)) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a19 != 6) || (218 < a1)) || (a10 != 4))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.26ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 66.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.39ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 58.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.20ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 54.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4698.18ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 54.5MB in the beginning and 116.6MB in the end (delta: -62.1MB). Peak memory consumption was 142.0MB. Max. memory is 16.1GB. * CodeCheck took 62474.10ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 116.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 197.47ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:24:13,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179d0a47-7295-4c35-a4d9-35247dea7960/bin/ukojak-verify-EEHR8qb7sm/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