./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.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_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/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_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/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_77f05665-09f3-42e9-8d5e-955c3f71c1bb/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 93a127dc0b7a4d224911518339abd36637a414ede1527bd802daa3550402937e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:38:10,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:38:10,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:38:10,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:38:10,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:38:10,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:38:10,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:38:10,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:38:10,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:38:10,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:38:10,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:38:10,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:38:10,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:38:10,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:38:10,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:38:10,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:38:10,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:38:10,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:38:10,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:38:10,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:38:10,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:38:10,618 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:38:10,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:38:10,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:38:10,619 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:38:10,619 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:38:10,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:38:10,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:38:10,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:38:10,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:38:10,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:38:10,621 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:38:10,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:38:10,621 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_77f05665-09f3-42e9-8d5e-955c3f71c1bb/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 -> 93a127dc0b7a4d224911518339abd36637a414ede1527bd802daa3550402937e [2024-11-25 03:38:11,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:38:11,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:38:11,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:38:11,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:38:11,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:38:11,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2024-11-25 03:38:14,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/data/9c76080eb/e63c250c55c44f73ab3a655c53b8a9a0/FLAG7429b553b [2024-11-25 03:38:14,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:38:14,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2024-11-25 03:38:14,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/data/9c76080eb/e63c250c55c44f73ab3a655c53b8a9a0/FLAG7429b553b [2024-11-25 03:38:14,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/data/9c76080eb/e63c250c55c44f73ab3a655c53b8a9a0 [2024-11-25 03:38:14,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:38:14,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:38:14,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:38:14,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:38:14,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:38:14,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:14" (1/1) ... [2024-11-25 03:38:14,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449fb934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:14, skipping insertion in model container [2024-11-25 03:38:14,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:14" (1/1) ... [2024-11-25 03:38:15,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:38:15,299 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_77f05665-09f3-42e9-8d5e-955c3f71c1bb/sv-benchmarks/c/eca-rers2012/Problem14_label16.c[4807,4820] [2024-11-25 03:38:15,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:38:15,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:38:15,637 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_77f05665-09f3-42e9-8d5e-955c3f71c1bb/sv-benchmarks/c/eca-rers2012/Problem14_label16.c[4807,4820] [2024-11-25 03:38:15,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:38:15,810 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:38:15,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15 WrapperNode [2024-11-25 03:38:15,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:38:15,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:38:15,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:38:15,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:38:15,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:15,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:15,953 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 03:38:15,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:38:15,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:38:15,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:38:15,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:38:15,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:15,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:15,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:15,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,050 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:38:16,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:38:16,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:38:16,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:38:16,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:15" (1/1) ... [2024-11-25 03:38:16,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:38:16,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:38:16,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:38:16,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:38:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:38:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:38:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:38:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:38:16,340 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:38:16,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:38:18,439 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 03:38:18,439 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:38:24,352 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:38:24,354 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:38:24,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:24 BoogieIcfgContainer [2024-11-25 03:38:24,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:38:24,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:38:24,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:38:24,366 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:38:24,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:24" (1/1) ... [2024-11-25 03:38:24,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:38:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:38:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:38:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:38:24,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:24,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:24,749 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 03:38:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 03:38:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 03:38:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:38:24,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:24,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:52,540 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 03:38:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 03:38:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 03:38:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:38:53,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:53,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:43,054 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 03:39:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-25 03:39:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-25 03:39:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:39:45,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:45,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:26,068 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 03:40:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 68 transitions. [2024-11-25 03:40:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 68 transitions. [2024-11-25 03:40:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:40:26,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:26,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:52,731 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 03:40:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 66 transitions. [2024-11-25 03:40:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 66 transitions. [2024-11-25 03:40:53,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:40:53,284 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 03:40:53,298 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:40:53,763 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-25 03:40:53,765 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:40:53,765 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2024-11-25 03:40:53,766 INFO L77 FloydHoareUtils]: At program point L148-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-25 03:40:53,766 INFO L77 FloydHoareUtils]: At program point L151-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-25 03:40:53,766 INFO L75 FloydHoareUtils]: For program point L152(line 152) no Hoare annotation was computed. [2024-11-25 03:40:53,766 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 03:40:53,766 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:40:53,766 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a21~0 8)) (not (= 5 ~a15~0))) [2024-11-25 03:40:53,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:40:53 ImpRootNode [2024-11-25 03:40:53,786 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:40:53,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:40:53,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:40:53,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:40:53,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:24" (3/4) ... [2024-11-25 03:40:53,795 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:40:53,815 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-25 03:40:53,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 03:40:53,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:40:53,821 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:40:54,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:40:54,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:40:54,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:40:54,032 INFO L158 Benchmark]: Toolchain (without parser) took 159052.42ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 90.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 340.6MB. Max. memory is 16.1GB. [2024-11-25 03:40:54,032 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:54,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.52ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 58.2MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:40:54,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.96ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 48.8MB in the end (delta: 9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:54,033 INFO L158 Benchmark]: Boogie Preprocessor took 161.60ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 43.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:54,034 INFO L158 Benchmark]: RCFGBuilder took 8235.13ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 43.1MB in the beginning and 317.4MB in the end (delta: -274.2MB). Peak memory consumption was 312.0MB. Max. memory is 16.1GB. [2024-11-25 03:40:54,034 INFO L158 Benchmark]: CodeCheck took 149430.76ms. Allocated memory was 503.3MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 317.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 171.2MB. Max. memory is 16.1GB. [2024-11-25 03:40:54,035 INFO L158 Benchmark]: Witness Printer took 238.63ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:54,038 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: 148.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 65 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 544 GetRequests, 478 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1586 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 143.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 152]: 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: ((((a24 != 1) || (a12 < 81)) || (a21 != 8)) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a12 < 81)) || (a21 != 8)) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.52ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 58.2MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.96ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 48.8MB in the end (delta: 9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 161.60ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 43.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8235.13ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 43.1MB in the beginning and 317.4MB in the end (delta: -274.2MB). Peak memory consumption was 312.0MB. Max. memory is 16.1GB. * CodeCheck took 149430.76ms. Allocated memory was 503.3MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 317.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 171.2MB. Max. memory is 16.1GB. * Witness Printer took 238.63ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:40:54,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f05665-09f3-42e9-8d5e-955c3f71c1bb/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