./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.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_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/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_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/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_77a17a89-a527-446b-b5b8-0a3fcbdc5add/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 550f3a62df7d5eada5d2aa8dd32299382207e40f85198cb35440276faa9cf7d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:29:45,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:29:45,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:29:45,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:29:45,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:29:45,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:29:45,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:29:45,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:29:45,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:29:45,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:29:45,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:29:45,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:29:45,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:29:45,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:29:45,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:29:45,720 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:29:45,720 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:29:45,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:29:45,720 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:29:45,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:29:45,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:29:45,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:45,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:29:45,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:29:45,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:29:45,721 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:29:45,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:29:45,721 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_77a17a89-a527-446b-b5b8-0a3fcbdc5add/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 -> 550f3a62df7d5eada5d2aa8dd32299382207e40f85198cb35440276faa9cf7d3 [2024-11-25 04:29:46,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:29:46,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:29:46,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:29:46,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:29:46,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:29:46,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2024-11-25 04:29:49,052 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/data/083117221/ae6649679dff498cb685f47869bbed0c/FLAG076338ea4 [2024-11-25 04:29:49,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:29:49,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2024-11-25 04:29:49,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/data/083117221/ae6649679dff498cb685f47869bbed0c/FLAG076338ea4 [2024-11-25 04:29:49,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/data/083117221/ae6649679dff498cb685f47869bbed0c [2024-11-25 04:29:49,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:29:49,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:29:49,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:49,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:29:49,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:29:49,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:49" (1/1) ... [2024-11-25 04:29:49,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e93ce06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:49, skipping insertion in model container [2024-11-25 04:29:49,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:49" (1/1) ... [2024-11-25 04:29:49,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:29:49,811 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_77a17a89-a527-446b-b5b8-0a3fcbdc5add/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2024-11-25 04:29:49,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:49,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:29:50,014 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_77a17a89-a527-446b-b5b8-0a3fcbdc5add/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2024-11-25 04:29:50,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:50,086 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:29:50,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50 WrapperNode [2024-11-25 04:29:50,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:50,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:50,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:29:50,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:29:50,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,201 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 04:29:50,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:50,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:29:50,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:29:50,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:29:50,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:29:50,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:29:50,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:29:50,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:29:50,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:50" (1/1) ... [2024-11-25 04:29:50,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:50,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:29:50,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:29:50,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:29:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:29:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:29:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:29:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:29:50,462 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:29:50,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:29:51,921 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 04:29:51,922 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:29:54,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:29:54,796 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:29:54,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:54 BoogieIcfgContainer [2024-11-25 04:29:54,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:29:54,797 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:29:54,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:29:54,808 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:29:54,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:54" (1/1) ... [2024-11-25 04:29:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:29:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:29:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:29:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:29:54,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:54,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:55,169 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 04:29:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 04:29:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:29:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:29:55,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:08,676 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 04:30:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 04:30:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 04:30:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:30:09,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:28,188 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 04:30:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-11-25 04:30:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-11-25 04:30:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:30:29,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:29,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:43,330 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 04:30:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2024-11-25 04:30:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-11-25 04:30:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:30:44,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 04:30:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2024-11-25 04:30:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2024-11-25 04:30:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:30:55,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 04:31:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 85 transitions. [2024-11-25 04:31:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 85 transitions. [2024-11-25 04:31:06,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:31:06,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:06,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 04:31:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2024-11-25 04:31:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2024-11-25 04:31:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:31:17,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 04:31:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2024-11-25 04:31:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2024-11-25 04:31:31,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:31:31,572 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 04:31:31,580 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:31:32,109 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:31:32,110 INFO L77 FloydHoareUtils]: At program point L202-1(lines 30 584) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:31:32,110 INFO L75 FloydHoareUtils]: For program point L203(line 203) no Hoare annotation was computed. [2024-11-25 04:31:32,110 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 04:31:32,110 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:31:32,110 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:31:32,110 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:31:32,111 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2024-11-25 04:31:32,111 INFO L77 FloydHoareUtils]: At program point L199-1(lines 30 584) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:31:32,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:31:32 ImpRootNode [2024-11-25 04:31:32,122 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:31:32,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:31:32,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:31:32,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:31:32,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:54" (3/4) ... [2024-11-25 04:31:32,126 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:31:32,139 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 04:31:32,140 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 04:31:32,141 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:31:32,142 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:31:32,264 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:31:32,265 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:31:32,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:31:32,266 INFO L158 Benchmark]: Toolchain (without parser) took 102749.83ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 92.9MB in the beginning and 949.6MB in the end (delta: -856.7MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 04:31:32,266 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:32,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.20ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 65.1MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:32,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.07ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 57.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:32,267 INFO L158 Benchmark]: Boogie Preprocessor took 112.13ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 52.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:32,268 INFO L158 Benchmark]: RCFGBuilder took 4482.10ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 52.8MB in the beginning and 423.9MB in the end (delta: -371.1MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:32,268 INFO L158 Benchmark]: CodeCheck took 97324.82ms. Allocated memory was 520.1MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 423.9MB in the beginning and 962.1MB in the end (delta: -538.2MB). Peak memory consumption was 933.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:32,268 INFO L158 Benchmark]: Witness Printer took 142.37ms. Allocated memory is still 2.0GB. Free memory was 962.1MB in the beginning and 949.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:32,270 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: 96.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 392 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 189 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 974 IncrementalHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 189 mSolverCounterUnsat, 152 mSDtfsCounter, 974 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1114 GetRequests, 966 SyntacticMatches, 48 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5109 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 90.6s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 66/122 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: 203]: 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: (((((a1 < 219) || (7 != a19)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a1 < 219) || (7 != a19)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.20ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 65.1MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.07ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 57.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.13ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 52.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4482.10ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 52.8MB in the beginning and 423.9MB in the end (delta: -371.1MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. * CodeCheck took 97324.82ms. Allocated memory was 520.1MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 423.9MB in the beginning and 962.1MB in the end (delta: -538.2MB). Peak memory consumption was 933.2MB. Max. memory is 16.1GB. * Witness Printer took 142.37ms. Allocated memory is still 2.0GB. Free memory was 962.1MB in the beginning and 949.6MB 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 04:31:32,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a17a89-a527-446b-b5b8-0a3fcbdc5add/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