./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.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_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b --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 a4d4eb02b0247dcea9751eac90b3b62fa46451cdf0d39391f9327cb3314da38c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:49:48,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:49:48,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:49:48,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:49:48,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:49:48,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:49:48,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:49:48,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:49:48,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:49:48,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:49:48,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:49:48,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:49:48,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:49:48,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:49:48,612 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:49:48,612 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:49:48,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:49:48,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:48,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:49:48,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:49:48,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:49:48,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:49:48,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:49:48,613 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_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b 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 -> a4d4eb02b0247dcea9751eac90b3b62fa46451cdf0d39391f9327cb3314da38c [2024-12-06 00:49:48,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:49:48,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:49:48,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:49:48,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:49:48,838 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:49:48,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2024-12-06 00:49:51,451 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/data/10e31adf8/91c7d4f05ebb4ce0a3b78f4920d20454/FLAG834224791 [2024-12-06 00:49:51,720 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:49:51,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2024-12-06 00:49:51,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/data/10e31adf8/91c7d4f05ebb4ce0a3b78f4920d20454/FLAG834224791 [2024-12-06 00:49:51,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/data/10e31adf8/91c7d4f05ebb4ce0a3b78f4920d20454 [2024-12-06 00:49:51,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:49:51,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:49:51,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:51,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:49:51,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:49:51,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:51" (1/1) ... [2024-12-06 00:49:51,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecd4080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:51, skipping insertion in model container [2024-12-06 00:49:51,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:51" (1/1) ... [2024-12-06 00:49:51,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:49:51,953 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_b68b873d-8668-4b3e-bbc6-3630c551d76f/sv-benchmarks/c/eca-rers2012/Problem10_label31.c[5009,5022] [2024-12-06 00:49:52,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:52,065 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:49:52,086 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_b68b873d-8668-4b3e-bbc6-3630c551d76f/sv-benchmarks/c/eca-rers2012/Problem10_label31.c[5009,5022] [2024-12-06 00:49:52,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:52,163 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:49:52,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52 WrapperNode [2024-12-06 00:49:52,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:52,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:52,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:49:52,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:49:52,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,231 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 00:49:52,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:52,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:49:52,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:49:52,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:49:52,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:49:52,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:49:52,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:49:52,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:49:52,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:52" (1/1) ... [2024-12-06 00:49:52,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:52,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:49:52,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:49:52,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:49:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:49:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:49:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:49:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:49:52,412 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:49:52,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:49:53,350 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 00:49:53,351 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:49:55,307 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:49:55,307 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:49:55,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:49:55 BoogieIcfgContainer [2024-12-06 00:49:55,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:49:55,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:49:55,308 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:49:55,315 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:49:55,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:49:55" (1/1) ... [2024-12-06 00:49:55,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:49:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 00:49:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 00:49:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:49:55,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:49:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:55,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 00:49:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 00:49:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:49:55,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:55,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:49:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 00:50:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 00:50:04,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:50:04,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:04,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:20,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2024-12-06 00:50:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-12-06 00:50:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:20,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:20,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:50:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-12-06 00:50:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-12-06 00:50:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:32,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:32,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:50:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-12-06 00:50:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-12-06 00:50:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:50:41,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:50:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2024-12-06 00:50:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2024-12-06 00:50:51,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:50:51,439 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 00:50:51,445 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:50:51,799 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (<= ~a19~0 6) (< 7 ~a19~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a10~0 3))))) [2024-12-06 00:50:51,800 INFO L77 FloydHoareUtils]: At program point L139-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= 7 ~a19~0)) (let ((.cse0 (< (+ ~a1~0 12) 0))) (and (or (< 38 ~a1~0) (not (= ~a10~0 3))) (or (not (= ~a10~0 2)) .cse0) (or (not (= ~a10~0 1)) (and (<= ~a1~0 218) (<= 39 ~a1~0)) .cse0))))) [2024-12-06 00:50:51,800 INFO L77 FloydHoareUtils]: At program point L142-1(lines 30 584) the Hoare annotation is: (not (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (and (not (and .cse0 .cse1 (or (not (= 7 ~a19~0)) (let ((.cse2 (< (+ ~a1~0 12) 0))) (and (or (< 38 ~a1~0) (not (= ~a10~0 3))) (or (not (= ~a10~0 2)) .cse2) (or (not (= ~a10~0 1)) (and (<= ~a1~0 218) (<= 39 ~a1~0)) .cse2)))))) (not (and (< 167123 ~a1~0) .cse0 .cse1))))) [2024-12-06 00:50:51,800 INFO L75 FloydHoareUtils]: For program point L143(line 143) no Hoare annotation was computed. [2024-12-06 00:50:51,800 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 00:50:51,800 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:50:51,801 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:50:51,801 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (<= ~a19~0 6) (< 7 ~a19~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a10~0 3))))) [2024-12-06 00:50:51,801 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2024-12-06 00:50:51,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:50:51 ImpRootNode [2024-12-06 00:50:51,814 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:50:51,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:50:51,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:50:51,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:50:51,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:49:55" (3/4) ... [2024-12-06 00:50:51,817 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:50:51,830 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-06 00:50:51,831 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 00:50:51,832 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:50:51,833 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:50:51,937 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:50:51,937 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:50:51,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:50:51,938 INFO L158 Benchmark]: Toolchain (without parser) took 60188.74ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 91.5MB in the beginning and 953.6MB in the end (delta: -862.1MB). Peak memory consumption was 451.9MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,938 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:50:51,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.97ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 64.5MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.50ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 56.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,939 INFO L158 Benchmark]: Boogie Preprocessor took 61.47ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 52.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,939 INFO L158 Benchmark]: RCFGBuilder took 3013.80ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 52.1MB in the beginning and 157.5MB in the end (delta: -105.5MB). Peak memory consumption was 159.6MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,940 INFO L158 Benchmark]: CodeCheck took 56505.81ms. Allocated memory was 318.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 157.5MB in the beginning and 966.1MB in the end (delta: -808.6MB). Peak memory consumption was 309.1MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,940 INFO L158 Benchmark]: Witness Printer took 122.67ms. Allocated memory is still 1.4GB. Free memory was 966.1MB in the beginning and 953.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:50:51,942 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: 56.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 481 IncrementalHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 82 mSDtfsCounter, 481 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 742 GetRequests, 626 SyntacticMatches, 34 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3094 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 52.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 48/76 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: 143]: 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: (((((a19 <= 6) || (7 < a19)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (a12 == 0)) && (a10 != 3))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: !(!(((14 == a4) && (a12 == 0)) && ((7 != a19) || ((((38 < a1) || (a10 != 3)) && ((a10 != 2) || (((long long) a1 + 12) < 0))) && (((a10 != 1) || ((a1 <= 218) && (39 <= a1))) || (((long long) a1 + 12) < 0))))) && !(((167123 < a1) && (14 == a4)) && (a12 == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.97ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 64.5MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.50ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 56.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.47ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 52.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3013.80ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 52.1MB in the beginning and 157.5MB in the end (delta: -105.5MB). Peak memory consumption was 159.6MB. Max. memory is 16.1GB. * CodeCheck took 56505.81ms. Allocated memory was 318.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 157.5MB in the beginning and 966.1MB in the end (delta: -808.6MB). Peak memory consumption was 309.1MB. Max. memory is 16.1GB. * Witness Printer took 122.67ms. Allocated memory is still 1.4GB. Free memory was 966.1MB in the beginning and 953.6MB 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! [2024-12-06 00:50:51,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68b873d-8668-4b3e-bbc6-3630c551d76f/bin/ukojak-verify-CZk0znPC7b/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