./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:24:44,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:24:44,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:24:44,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:24:44,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:24:44,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:24:44,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:24:44,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:24:44,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:24:44,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:24:44,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:24:44,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:24:44,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:24:44,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:24:44,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:24:44,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:24:44,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:24:44,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:24:44,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:24:44,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:24:44,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:24:44,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:24:44,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:24:44,782 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:24:44,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:24:44,783 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:24:44,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:24:44,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:44,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:24:44,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:24:44,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:24:44,784 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:24:44,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:24:44,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 [2024-11-08 22:24:45,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:24:45,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:24:45,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:24:45,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:24:45,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:24:45,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c Unable to find full path for "g++" [2024-11-08 22:24:47,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:24:47,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:24:47,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2024-11-08 22:24:47,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/data/86fb9cb3b/124494400b8d4762a889a6d75dcef414/FLAG52bdeb2ca [2024-11-08 22:24:47,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/data/86fb9cb3b/124494400b8d4762a889a6d75dcef414 [2024-11-08 22:24:47,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:24:47,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:24:47,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:47,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:24:47,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:24:47,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:47" (1/1) ... [2024-11-08 22:24:47,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6765f93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:47, skipping insertion in model container [2024-11-08 22:24:47,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:47" (1/1) ... [2024-11-08 22:24:47,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:47,762 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_9c4ab450-c86a-41ae-a6ad-cd219efa153a/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2024-11-08 22:24:47,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:47,989 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:48,026 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_9c4ab450-c86a-41ae-a6ad-cd219efa153a/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2024-11-08 22:24:48,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:48,190 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:48,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48 WrapperNode [2024-11-08 22:24:48,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:48,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:48,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:48,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:48,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,310 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 22:24:48,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:48,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:48,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:48,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:48,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:48,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:48,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:48,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:48,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:48" (1/1) ... [2024-11-08 22:24:48,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:48,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:48,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:48,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:24:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:48,647 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:48,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:50,174 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:50,174 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:55,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:55,232 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:24:55,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:55 BoogieIcfgContainer [2024-11-08 22:24:55,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:55,234 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:55,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:55,245 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:55,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:55" (1/1) ... [2024-11-08 22:24:55,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:24:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:24:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:24:55,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:55,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:24:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:24:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:24:55,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-08 22:25:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-08 22:25:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:25:23,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:23,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-08 22:26:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-08 22:26:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:26:12,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-11-08 22:26:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-08 22:26:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:26:58,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-08 22:28:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-08 22:28:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:28:26,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:26,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:28:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2024-11-08 22:28:49,806 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2024-11-08 22:28:49,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:28:49,807 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 22:28:49,815 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:28:50,237 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))) [2024-11-08 22:28:50,237 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:28:50,238 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2024-11-08 22:28:50,238 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-08 22:28:50,238 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:28:50,238 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))) [2024-11-08 22:28:50,238 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))) [2024-11-08 22:28:50,238 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))) [2024-11-08 22:28:50,239 INFO L75 FloydHoareUtils]: For program point L167(line 167) no Hoare annotation was computed. [2024-11-08 22:28:50,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:28:50 ImpRootNode [2024-11-08 22:28:50,255 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:28:50,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:28:50,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:28:50,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:28:50,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:55" (3/4) ... [2024-11-08 22:28:50,258 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:28:50,280 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-08 22:28:50,281 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 22:28:50,283 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:28:50,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:28:50,505 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:28:50,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:28:50,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:28:50,507 INFO L158 Benchmark]: Toolchain (without parser) took 243058.38ms. Allocated memory was 138.4MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 98.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-08 22:28:50,507 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:28:50,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.03ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 62.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:28:50,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.01ms. Allocated memory is still 138.4MB. Free memory was 62.5MB in the beginning and 52.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:28:50,509 INFO L158 Benchmark]: Boogie Preprocessor took 171.44ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 52.5MB in the beginning and 148.6MB in the end (delta: -96.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-08 22:28:50,510 INFO L158 Benchmark]: RCFGBuilder took 6749.11ms. Allocated memory was 186.6MB in the beginning and 788.5MB in the end (delta: 601.9MB). Free memory was 148.6MB in the beginning and 625.3MB in the end (delta: -476.7MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. [2024-11-08 22:28:50,511 INFO L158 Benchmark]: CodeCheck took 235021.03ms. Allocated memory was 788.5MB in the beginning and 3.2GB in the end (delta: 2.4GB). Free memory was 625.3MB in the beginning and 1.3GB in the end (delta: -627.7MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-08 22:28:50,511 INFO L158 Benchmark]: Witness Printer took 250.71ms. Allocated memory is still 3.2GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:28:50,513 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: 234.5s, 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, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 5.4s 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, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 227.0s 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 - 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 0.30ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.03ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 62.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.01ms. Allocated memory is still 138.4MB. Free memory was 62.5MB in the beginning and 52.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.44ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 52.5MB in the beginning and 148.6MB in the end (delta: -96.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6749.11ms. Allocated memory was 186.6MB in the beginning and 788.5MB in the end (delta: 601.9MB). Free memory was 148.6MB in the beginning and 625.3MB in the end (delta: -476.7MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. * CodeCheck took 235021.03ms. Allocated memory was 788.5MB in the beginning and 3.2GB in the end (delta: 2.4GB). Free memory was 625.3MB in the beginning and 1.3GB in the end (delta: -627.7MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 250.71ms. Allocated memory is still 3.2GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:28:50,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4ab450-c86a-41ae-a6ad-cd219efa153a/bin/ukojak-verify-ImItNfHLgk/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