./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.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_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/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_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/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_9da143e6-31be-4bfe-8781-9eef32db7512/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 56a04ed46850e605182228c8e81c7d165207799703ed3ae3590996aae38bb805 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:23:36,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:23:36,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:23:36,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:23:36,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:23:36,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:23:36,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:23:36,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:23:36,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:23:36,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:23:36,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:23:36,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:23:36,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:23:36,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:23:36,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:23:36,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:23:36,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:23:36,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:23:36,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:23:36,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:36,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:23:36,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:23:36,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:23:36,536 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:23:36,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:23:36,536 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_9da143e6-31be-4bfe-8781-9eef32db7512/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 -> 56a04ed46850e605182228c8e81c7d165207799703ed3ae3590996aae38bb805 [2024-11-25 05:23:36,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:23:36,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:23:36,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:23:36,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:23:36,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:23:36,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2024-11-25 05:23:39,956 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/data/0f2a0d43b/1d9ad02a072a4bdabec00cbf3cf6a6f7/FLAG45fada1d0 [2024-11-25 05:23:40,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:23:40,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2024-11-25 05:23:40,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/data/0f2a0d43b/1d9ad02a072a4bdabec00cbf3cf6a6f7/FLAG45fada1d0 [2024-11-25 05:23:40,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/data/0f2a0d43b/1d9ad02a072a4bdabec00cbf3cf6a6f7 [2024-11-25 05:23:40,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:23:40,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:23:40,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:40,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:23:40,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:23:40,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:40,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0600ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40, skipping insertion in model container [2024-11-25 05:23:40,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:40,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:23:40,591 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_9da143e6-31be-4bfe-8781-9eef32db7512/sv-benchmarks/c/eca-rers2012/Problem14_label07.c[4912,4925] [2024-11-25 05:23:40,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:40,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:23:40,807 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_9da143e6-31be-4bfe-8781-9eef32db7512/sv-benchmarks/c/eca-rers2012/Problem14_label07.c[4912,4925] [2024-11-25 05:23:40,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:40,971 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:23:40,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40 WrapperNode [2024-11-25 05:23:40,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:40,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:40,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:23:40,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:23:40,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:40,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,071 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 05:23:41,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:41,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:23:41,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:23:41,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:23:41,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:23:41,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:23:41,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:23:41,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:23:41,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:40" (1/1) ... [2024-11-25 05:23:41,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:23:41,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:23:41,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:23:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:23:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:23:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:23:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:23:41,318 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:23:41,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:23:42,969 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 05:23:42,970 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:23:47,756 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:23:47,757 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:23:47,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:47 BoogieIcfgContainer [2024-11-25 05:23:47,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:23:47,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:23:47,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:23:47,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:23:47,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:47" (1/1) ... [2024-11-25 05:23:47,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:23:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 05:23:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 05:23:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:47,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:47,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:48,049 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 05:23:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 05:23:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 05:23:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:23:48,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:10,136 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 05:24:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 05:24:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 05:24:10,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:24:10,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:10,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:43,969 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 05:24:45,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2024-11-25 05:24:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2024-11-25 05:24:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:24:45,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:45,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:31,830 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 05:25:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2024-11-25 05:25:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2024-11-25 05:25:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:25:33,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:33,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:25:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:26:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-11-25 05:26:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-25 05:26:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:26:46,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:46,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 05:27:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2024-11-25 05:27:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-11-25 05:27:10,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:27:10,112 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 05:27:10,129 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:27:10,565 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= 5 ~a15~0))) [2024-11-25 05:27:10,565 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:27:10,566 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2024-11-25 05:27:10,566 INFO L77 FloydHoareUtils]: At program point L151-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= 5 ~a15~0))) [2024-11-25 05:27:10,566 INFO L77 FloydHoareUtils]: At program point L154-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= 5 ~a15~0))) [2024-11-25 05:27:10,566 INFO L75 FloydHoareUtils]: For program point L155(line 155) no Hoare annotation was computed. [2024-11-25 05:27:10,566 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 05:27:10,566 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:27:10,567 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= 5 ~a15~0))) [2024-11-25 05:27:10,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:27:10 ImpRootNode [2024-11-25 05:27:10,581 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:27:10,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:27:10,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:27:10,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:27:10,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:47" (3/4) ... [2024-11-25 05:27:10,586 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:27:10,606 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-25 05:27:10,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 05:27:10,610 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 05:27:10,611 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:27:10,783 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:27:10,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:27:10,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:27:10,785 INFO L158 Benchmark]: Toolchain (without parser) took 210459.65ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 89.8MB in the beginning and 1.0GB in the end (delta: -917.4MB). Peak memory consumption was 845.8MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,785 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:10,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.12ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 57.8MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.69ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 48.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,787 INFO L158 Benchmark]: Boogie Preprocessor took 95.76ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 42.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,787 INFO L158 Benchmark]: RCFGBuilder took 6589.14ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 42.5MB in the beginning and 239.5MB in the end (delta: -197.0MB). Peak memory consumption was 254.6MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,788 INFO L158 Benchmark]: CodeCheck took 202823.33ms. Allocated memory was 427.8MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 239.5MB in the beginning and 1.0GB in the end (delta: -784.2MB). Peak memory consumption was 666.7MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,788 INFO L158 Benchmark]: Witness Printer took 201.94ms. Allocated memory is still 1.9GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:27:10,791 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: 202.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 653 IncrementalHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 96 mSDtfsCounter, 653 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 722 GetRequests, 615 SyntacticMatches, 13 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4398 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 195.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 901 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 21/65 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: 155]: 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: (((((a21 != 9) || (a24 != 1)) || (((long long) a12 + 42) < 0)) || (11 < a12)) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a21 != 9) || (a24 != 1)) || (((long long) a12 + 42) < 0)) || (11 < a12)) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.12ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 57.8MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.69ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 48.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.76ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 42.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6589.14ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 42.5MB in the beginning and 239.5MB in the end (delta: -197.0MB). Peak memory consumption was 254.6MB. Max. memory is 16.1GB. * CodeCheck took 202823.33ms. Allocated memory was 427.8MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 239.5MB in the beginning and 1.0GB in the end (delta: -784.2MB). Peak memory consumption was 666.7MB. Max. memory is 16.1GB. * Witness Printer took 201.94ms. Allocated memory is still 1.9GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:27:10,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da143e6-31be-4bfe-8781-9eef32db7512/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