./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/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_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/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_561b1742-5654-47f7-9947-5cb14ca3123b/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 05304907b173f35ae86ead9bea08abf85c97bbd94fd3cf389c54ce6fac582ae4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:47,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:47,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:19:47,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:19:47,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:19:47,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:47,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:47,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:47,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:47,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:47,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:47,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:47,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:19:47,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:19:47,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:19:47,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:47,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:47,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:47,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:47,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:47,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:19:47,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:47,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:47,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:47,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:47,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:47,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:47,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:47,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:47,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:47,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:47,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:19:47,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:19:47,271 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_561b1742-5654-47f7-9947-5cb14ca3123b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05304907b173f35ae86ead9bea08abf85c97bbd94fd3cf389c54ce6fac582ae4 [2024-11-09 00:19:47,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:47,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:47,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:47,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:47,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:47,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c Unable to find full path for "g++" [2024-11-09 00:19:49,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:49,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:49,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2024-11-09 00:19:49,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/data/a2cd7b059/a3f731151798440bb3a31bff53e5cb28/FLAG6fcb6bf47 [2024-11-09 00:19:49,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/data/a2cd7b059/a3f731151798440bb3a31bff53e5cb28 [2024-11-09 00:19:50,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:50,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:50,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:50,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:50,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:50,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c56951e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50, skipping insertion in model container [2024-11-09 00:19:50,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:50,337 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_561b1742-5654-47f7-9947-5cb14ca3123b/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2024-11-09 00:19:50,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:50,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:50,539 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_561b1742-5654-47f7-9947-5cb14ca3123b/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2024-11-09 00:19:50,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:50,667 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:50,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50 WrapperNode [2024-11-09 00:19:50,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:50,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:50,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:50,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:50,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,769 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-09 00:19:50,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:50,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:50,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:50,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:50,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:50,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:50,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:50,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:50,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:50,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:50,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:50,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:19:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:51,091 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:51,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:52,389 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:52,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:55,445 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:55,445 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:19:55,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:55 BoogieIcfgContainer [2024-11-09 00:19:55,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:55,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:55,447 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:55,457 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:55,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:55" (1/1) ... [2024-11-09 00:19:55,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:19:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:19:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:19:55,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:55,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:19:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:19:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:19:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:19:56,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:56,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:20:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-09 00:20:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-09 00:20:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:20:12,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:20:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:20:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:36,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-09 00:20:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-09 00:20:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:20:36,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:36,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:20:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:20:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2024-11-09 00:20:53,932 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2024-11-09 00:20:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:20:53,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:53,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:20:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:21:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2024-11-09 00:21:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-11-09 00:21:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:21:06,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:21:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:21:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-11-09 00:21:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-11-09 00:21:17,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:21:17,967 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-09 00:21:17,975 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:21:18,342 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3)))) [2024-11-09 00:21:18,342 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-09 00:21:18,342 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:21:18,342 INFO L77 FloydHoareUtils]: At program point L193-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a19~0 6)) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a10~0 0)) (not (= ~a10~0 3))))) [2024-11-09 00:21:18,342 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:21:18,343 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3)))) [2024-11-09 00:21:18,343 INFO L77 FloydHoareUtils]: At program point L196-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (not (= ~a10~0 3)))) [2024-11-09 00:21:18,343 INFO L75 FloydHoareUtils]: For program point L197(line 197) no Hoare annotation was computed. [2024-11-09 00:21:18,343 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2024-11-09 00:21:18,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:21:18 ImpRootNode [2024-11-09 00:21:18,359 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:21:18,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:21:18,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:21:18,360 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:21:18,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:55" (3/4) ... [2024-11-09 00:21:18,363 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:21:18,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-09 00:21:18,381 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:21:18,382 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:21:18,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:21:18,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:21:18,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:21:18,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:21:18,547 INFO L158 Benchmark]: Toolchain (without parser) took 88544.50ms. Allocated memory was 176.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 134.0MB in the beginning and 891.4MB in the end (delta: -757.4MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-09 00:21:18,548 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 119.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:21:18,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.50ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 104.2MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:21:18,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.89ms. Allocated memory is still 176.2MB. Free memory was 104.2MB in the beginning and 95.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:21:18,550 INFO L158 Benchmark]: Boogie Preprocessor took 150.91ms. Allocated memory is still 176.2MB. Free memory was 95.8MB in the beginning and 139.9MB in the end (delta: -44.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:18,550 INFO L158 Benchmark]: RCFGBuilder took 4524.38ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 139.9MB in the beginning and 106.5MB in the end (delta: 33.4MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:18,550 INFO L158 Benchmark]: CodeCheck took 82912.38ms. Allocated memory was 308.3MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 106.5MB in the beginning and 904.0MB in the end (delta: -797.5MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-09 00:21:18,551 INFO L158 Benchmark]: Witness Printer took 186.54ms. Allocated memory is still 2.1GB. Free memory was 904.0MB in the beginning and 891.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:21:18,553 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: 82.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 537 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 82 mSDtfsCounter, 537 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 726 GetRequests, 611 SyntacticMatches, 31 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3244 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 77.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 30/65 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: 197]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((14 == a4) && (a12 == 0)) && (((a19 != 6) || (0 < ((long long) a1 + 13))) || (a10 != 3))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && ((a19 != 6) || (a10 != 3))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 119.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.50ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 104.2MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.89ms. Allocated memory is still 176.2MB. Free memory was 104.2MB in the beginning and 95.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.91ms. Allocated memory is still 176.2MB. Free memory was 95.8MB in the beginning and 139.9MB in the end (delta: -44.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4524.38ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 139.9MB in the beginning and 106.5MB in the end (delta: 33.4MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. * CodeCheck took 82912.38ms. Allocated memory was 308.3MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 106.5MB in the beginning and 904.0MB in the end (delta: -797.5MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 186.54ms. Allocated memory is still 2.1GB. Free memory was 904.0MB in the beginning and 891.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:21:18,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b1742-5654-47f7-9947-5cb14ca3123b/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