./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.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_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/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_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/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_5624a675-60d7-4f24-9816-e28b86c65d47/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 d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:47:11,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:47:11,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:47:11,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:47:11,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:47:11,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:47:11,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:47:11,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:47:11,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:47:11,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:47:11,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:47:11,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:47:11,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:47:11,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:47:11,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:47:11,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:47:11,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:47:11,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:47:11,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:47:11,504 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_5624a675-60d7-4f24-9816-e28b86c65d47/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 -> d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 [2024-12-06 01:47:11,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:47:11,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:47:11,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:47:11,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:47:11,744 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:47:11,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2024-12-06 01:47:14,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/data/6d8041f1a/eb81fb4ae99146c3b71ae920e2c2b1c7/FLAG6f2ad7cdf [2024-12-06 01:47:14,662 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:47:14,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2024-12-06 01:47:14,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/data/6d8041f1a/eb81fb4ae99146c3b71ae920e2c2b1c7/FLAG6f2ad7cdf [2024-12-06 01:47:14,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/data/6d8041f1a/eb81fb4ae99146c3b71ae920e2c2b1c7 [2024-12-06 01:47:14,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:47:14,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:47:14,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:47:14,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:47:14,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:47:14,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:47:14" (1/1) ... [2024-12-06 01:47:14,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b32b5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:14, skipping insertion in model container [2024-12-06 01:47:14,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:47:14" (1/1) ... [2024-12-06 01:47:15,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:47:15,193 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_5624a675-60d7-4f24-9816-e28b86c65d47/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2024-12-06 01:47:15,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:47:15,315 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:47:15,336 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_5624a675-60d7-4f24-9816-e28b86c65d47/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2024-12-06 01:47:15,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:47:15,425 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:47:15,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15 WrapperNode [2024-12-06 01:47:15,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:47:15,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:47:15,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:47:15,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:47:15,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,501 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-12-06 01:47:15,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:47:15,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:47:15,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:47:15,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:47:15,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:47:15,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:47:15,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:47:15,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:47:15,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:15" (1/1) ... [2024-12-06 01:47:15,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:47:15,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:47:15,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:47:15,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:47:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:47:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:47:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:47:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:47:15,692 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:47:15,693 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:47:16,793 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-06 01:47:16,794 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:47:19,790 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:47:19,790 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:47:19,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:47:19 BoogieIcfgContainer [2024-12-06 01:47:19,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:47:19,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:47:19,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:47:19,800 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:47:19,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:47:19" (1/1) ... [2024-12-06 01:47:19,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:47:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:47:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:47:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:47:19,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:19,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:47:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:20,031 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 01:47:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 01:47:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 01:47:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:47:20,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:20,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:47:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:34,315 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 01:47:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 01:47:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 01:47:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:47:34,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:34,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:47:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:09,219 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 01:48:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-12-06 01:48:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 01:48:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:48:10,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:10,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:44,671 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 01:48:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-12-06 01:48:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-12-06 01:48:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:48:45,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-12-06 01:49:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-12-06 01:49:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:49:54,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:54,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:50:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2024-12-06 01:50:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2024-12-06 01:50:13,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:50:13,162 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 01:50:13,168 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:50:13,481 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-12-06 01:50:13,481 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:50:13,481 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2024-12-06 01:50:13,481 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-12-06 01:50:13,482 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:50:13,482 INFO L77 FloydHoareUtils]: At program point L163-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-12-06 01:50:13,482 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-12-06 01:50:13,482 INFO L77 FloydHoareUtils]: At program point L166-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-12-06 01:50:13,482 INFO L75 FloydHoareUtils]: For program point L167(line 167) no Hoare annotation was computed. [2024-12-06 01:50:13,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:50:13 ImpRootNode [2024-12-06 01:50:13,492 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:50:13,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:50:13,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:50:13,493 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:50:13,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:47:19" (3/4) ... [2024-12-06 01:50:13,495 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:50:13,508 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-12-06 01:50:13,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 01:50:13,510 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 01:50:13,511 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:50:13,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:50:13,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:50:13,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:50:13,619 INFO L158 Benchmark]: Toolchain (without parser) took 178627.99ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 91.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 273.2MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,620 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:13,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.38ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 59.3MB in the end (delta: 32.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.68ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 50.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,620 INFO L158 Benchmark]: Boogie Preprocessor took 69.25ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 44.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,621 INFO L158 Benchmark]: RCFGBuilder took 4218.63ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 44.3MB in the beginning and 418.9MB in the end (delta: -374.6MB). Peak memory consumption was 370.3MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,621 INFO L158 Benchmark]: CodeCheck took 173701.28ms. Allocated memory was 620.8MB in the beginning and 1.6GB in the end (delta: 989.9MB). Free memory was 418.9MB in the beginning and 1.3GB in the end (delta: -910.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,621 INFO L158 Benchmark]: Witness Printer took 125.47ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:50:13,624 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: 173.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 726 IncrementalHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 100 mSDtfsCounter, 726 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 639 SyntacticMatches, 8 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5114 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 168.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 21/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 167]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a24 != 1) || (a21 != 10)) || (0 < ((long long) a12 + 43))) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a21 != 10)) || (0 < ((long long) a12 + 43))) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.38ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 59.3MB in the end (delta: 32.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.68ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 50.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.25ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 44.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4218.63ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 44.3MB in the beginning and 418.9MB in the end (delta: -374.6MB). Peak memory consumption was 370.3MB. Max. memory is 16.1GB. * CodeCheck took 173701.28ms. Allocated memory was 620.8MB in the beginning and 1.6GB in the end (delta: 989.9MB). Free memory was 418.9MB in the beginning and 1.3GB in the end (delta: -910.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Witness Printer took 125.47ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:50:13,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5624a675-60d7-4f24-9816-e28b86c65d47/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