./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.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_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/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_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/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_a6c53b25-6a97-4e3e-84f4-537fc7813e97/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 be7ecc9aa1c7e8dfb9739700094e29609bf8bf38dd295ce34c37d7f9597d2a6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:50:40,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:50:40,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:50:40,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:50:40,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:50:40,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:50:40,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:50:40,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:50:40,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:50:40,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:50:40,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:50:40,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:50:40,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:50:40,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:50:40,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:50:40,335 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:50:40,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:50:40,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:50:40,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:50:40,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:50:40,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:50:40,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:40,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:50:40,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:50:40,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:50:40,337 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:50:40,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:50:40,337 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_a6c53b25-6a97-4e3e-84f4-537fc7813e97/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 -> be7ecc9aa1c7e8dfb9739700094e29609bf8bf38dd295ce34c37d7f9597d2a6e [2024-11-25 03:50:40,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:50:40,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:50:40,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:50:40,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:50:40,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:50:40,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2024-11-25 03:50:43,738 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/data/df40891bf/7d0ad372a2ab44198e6601b11c46d07d/FLAGe8a682876 [2024-11-25 03:50:44,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:50:44,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2024-11-25 03:50:44,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/data/df40891bf/7d0ad372a2ab44198e6601b11c46d07d/FLAGe8a682876 [2024-11-25 03:50:44,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/data/df40891bf/7d0ad372a2ab44198e6601b11c46d07d [2024-11-25 03:50:44,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:50:44,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:50:44,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:44,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:50:44,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:50:44,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:44,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b8f1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44, skipping insertion in model container [2024-11-25 03:50:44,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:44,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:50:44,526 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_a6c53b25-6a97-4e3e-84f4-537fc7813e97/sv-benchmarks/c/eca-rers2012/Problem10_label40.c[5662,5675] [2024-11-25 03:50:44,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:44,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:50:44,752 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_a6c53b25-6a97-4e3e-84f4-537fc7813e97/sv-benchmarks/c/eca-rers2012/Problem10_label40.c[5662,5675] [2024-11-25 03:50:44,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:44,862 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:50:44,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44 WrapperNode [2024-11-25 03:50:44,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:44,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:44,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:50:44,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:50:44,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:44,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:44,996 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 03:50:44,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:44,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:50:44,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:50:44,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:50:45,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:50:45,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:50:45,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:50:45,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:50:45,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:44" (1/1) ... [2024-11-25 03:50:45,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:45,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:50:45,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:50:45,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:50:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:50:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:50:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:50:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:50:45,268 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:50:45,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:50:46,831 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 03:50:46,831 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:50:50,032 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:50:50,032 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:50:50,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:50 BoogieIcfgContainer [2024-11-25 03:50:50,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:50:50,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:50:50,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:50:50,046 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:50:50,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:50" (1/1) ... [2024-11-25 03:50:50,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:50:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:50:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:50:50,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:50:50,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:50,422 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 03:50:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 03:50:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 03:50:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:50:50,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:50,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:04,176 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 03:51:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 03:51:04,601 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 03:51:04,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:51:04,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:04,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:23,062 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 03:51:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-25 03:51:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-25 03:51:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:51:24,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:41,530 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 03:51:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-25 03:51:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-25 03:51:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:51:42,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:51:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-25 03:51:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-25 03:51:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:51:53,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:53,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:52:09,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2024-11-25 03:52:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2024-11-25 03:52:09,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:52:09,791 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 03:52:09,801 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:52:10,400 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (< 40 ~a1~0) (not (= ~a19~0 8)) (not (= ~a10~0 0)) (< (+ ~a1~0 13) 0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:52:10,400 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 03:52:10,400 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:52:10,401 INFO L77 FloydHoareUtils]: At program point L157-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 8)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:52:10,401 INFO L77 FloydHoareUtils]: At program point L160-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 8)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:52:10,404 INFO L75 FloydHoareUtils]: For program point L161(line 161) no Hoare annotation was computed. [2024-11-25 03:52:10,404 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:52:10,404 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (< 40 ~a1~0) (not (= ~a19~0 8)) (not (= ~a10~0 0)) (< (+ ~a1~0 13) 0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:52:10,405 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2024-11-25 03:52:10,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:52:10 ImpRootNode [2024-11-25 03:52:10,420 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:52:10,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:52:10,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:52:10,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:52:10,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:50" (3/4) ... [2024-11-25 03:52:10,425 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:52:10,452 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 03:52:10,453 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 03:52:10,454 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:52:10,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:52:10,642 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:52:10,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:52:10,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:52:10,646 INFO L158 Benchmark]: Toolchain (without parser) took 86452.92ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 92.6MB in the beginning and 1.0GB in the end (delta: -942.2MB). Peak memory consumption was 953.2MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,646 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:52:10,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.85ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 65.1MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.95ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 57.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,648 INFO L158 Benchmark]: Boogie Preprocessor took 105.84ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,649 INFO L158 Benchmark]: RCFGBuilder took 4928.97ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 52.4MB in the beginning and 383.5MB in the end (delta: -331.0MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,650 INFO L158 Benchmark]: CodeCheck took 80386.88ms. Allocated memory was 520.1MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 383.5MB in the beginning and 1.0GB in the end (delta: -663.9MB). Peak memory consumption was 824.3MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,650 INFO L158 Benchmark]: Witness Printer took 222.01ms. Allocated memory is still 2.0GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:52:10,653 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: 79.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 553 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 90 mSDtfsCounter, 553 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 611 SyntacticMatches, 28 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4389 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 74.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 20/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 161]: 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: 30]: Location Invariant Derived location invariant: ((((a19 != 8) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((40 < a1) || (a19 != 8)) || (a10 != 0)) || (((long long) a1 + 13) < 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.85ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 65.1MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.95ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 57.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.84ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4928.97ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 52.4MB in the beginning and 383.5MB in the end (delta: -331.0MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. * CodeCheck took 80386.88ms. Allocated memory was 520.1MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 383.5MB in the beginning and 1.0GB in the end (delta: -663.9MB). Peak memory consumption was 824.3MB. Max. memory is 16.1GB. * Witness Printer took 222.01ms. Allocated memory is still 2.0GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:52:10,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c53b25-6a97-4e3e-84f4-537fc7813e97/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