./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.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_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/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_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/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_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/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 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:29:40,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:29:40,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:29:40,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:29:40,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:29:40,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:29:40,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:29:40,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:29:40,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:29:40,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:29:40,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:29:40,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:29:40,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:29:40,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:29:40,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:29:40,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:29:40,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:29:40,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:29:40,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:29:40,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:29:40,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:29:40,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:40,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:29:40,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:29:40,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:29:40,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:29:40,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:29:40,543 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_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/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 -> 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e [2024-11-25 04:29:40,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:29:40,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:29:40,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:29:40,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:29:40,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:29:40,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2024-11-25 04:29:43,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/data/995df124b/17f1f966fdc34ab7ab5a0923d2da2071/FLAG942465d57 [2024-11-25 04:29:44,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:29:44,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2024-11-25 04:29:44,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/data/995df124b/17f1f966fdc34ab7ab5a0923d2da2071/FLAG942465d57 [2024-11-25 04:29:44,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/data/995df124b/17f1f966fdc34ab7ab5a0923d2da2071 [2024-11-25 04:29:44,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:29:44,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:29:44,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:44,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:29:44,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:29:44,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:44,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc4a375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44, skipping insertion in model container [2024-11-25 04:29:44,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:44,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:29:44,542 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_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2024-11-25 04:29:44,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:44,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:29:44,759 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_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2024-11-25 04:29:44,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:44,891 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:29:44,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44 WrapperNode [2024-11-25 04:29:44,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:44,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:44,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:29:44,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:29:44,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:44,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,000 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 04:29:45,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:45,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:29:45,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:29:45,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:29:45,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,058 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:29:45,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:29:45,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:29:45,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:29:45,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:44" (1/1) ... [2024-11-25 04:29:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:29:45,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:29:45,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:29:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:29:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:29:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:29:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:29:45,249 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:29:45,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:29:46,736 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 04:29:46,736 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:29:49,665 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:29:49,665 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:29:49,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:49 BoogieIcfgContainer [2024-11-25 04:29:49,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:29:49,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:29:49,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:29:49,676 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:29:49,677 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:49" (1/1) ... [2024-11-25 04:29:49,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:29:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:29:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:29:49,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:29:49,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:49,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:49,975 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 04:29:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 04:29:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:29:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:29:50,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:50,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:03,590 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 04:30:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 04:30:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 04:30:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:30:04,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:04,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:26,348 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 04:30:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2024-11-25 04:30:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2024-11-25 04:30:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:30:28,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:36,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:30:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 34 states and 67 transitions. [2024-11-25 04:30:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2024-11-25 04:30:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:30:37,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:37,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:48,096 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 04:30:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2024-11-25 04:30:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2024-11-25 04:30:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:30:48,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:48,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:31:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2024-11-25 04:31:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2024-11-25 04:31:13,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:31:13,575 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 04:31:13,583 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:31:14,005 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (< 331497 ~a1~0) (< ~a1~0 0) (not (= ~a10~0 1)) (not (= ~a19~0 8)))) [2024-11-25 04:31:14,005 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 04:31:14,006 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:31:14,006 INFO L77 FloydHoareUtils]: At program point L124-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 38)) (not (= ~a19~0 8))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:31:14,006 INFO L77 FloydHoareUtils]: At program point L127-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 38)) (not (= ~a19~0 8))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:31:14,006 INFO L75 FloydHoareUtils]: For program point L128(line 128) no Hoare annotation was computed. [2024-11-25 04:31:14,006 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:31:14,006 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (< 331497 ~a1~0) (< ~a1~0 0) (not (= ~a10~0 1)) (not (= ~a19~0 8)))) [2024-11-25 04:31:14,007 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2024-11-25 04:31:14,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:31:14 ImpRootNode [2024-11-25 04:31:14,022 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:31:14,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:31:14,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:31:14,023 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:31:14,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:49" (3/4) ... [2024-11-25 04:31:14,026 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:31:14,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 04:31:14,041 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 04:31:14,042 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:31:14,043 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:31:14,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:31:14,197 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:31:14,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:31:14,198 INFO L158 Benchmark]: Toolchain (without parser) took 89947.54ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 116.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 449.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,198 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:14,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.91ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 89.8MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.71ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 82.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,199 INFO L158 Benchmark]: Boogie Preprocessor took 96.96ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 77.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,200 INFO L158 Benchmark]: RCFGBuilder took 4566.99ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.3MB in the beginning and 259.9MB in the end (delta: -182.6MB). Peak memory consumption was 233.7MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,200 INFO L158 Benchmark]: CodeCheck took 84355.21ms. Allocated memory was 427.8MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 259.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 291.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,201 INFO L158 Benchmark]: Witness Printer took 174.26ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:31:14,203 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: 83.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 219 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 589 IncrementalHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 90 mSDtfsCounter, 589 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 756 GetRequests, 640 SyntacticMatches, 30 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3616 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 78.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1006 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: 128]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((14 == a4) && (a12 == 0)) && ((((331497 < a1) || (a1 < 0)) || (a10 != 1)) || (a19 != 8))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a10 != 1) || ((0 <= ((long long) a1 + 12)) && (a1 <= 38))) || (a19 != 8)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.91ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 89.8MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.71ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 82.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.96ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 77.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4566.99ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.3MB in the beginning and 259.9MB in the end (delta: -182.6MB). Peak memory consumption was 233.7MB. Max. memory is 16.1GB. * CodeCheck took 84355.21ms. Allocated memory was 427.8MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 259.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 291.2MB. Max. memory is 16.1GB. * Witness Printer took 174.26ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB 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 04:31:14,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb231d3-a725-4ed3-90d8-23ad72bc37e0/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