./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.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_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/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_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/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_1509f2e3-f299-4d53-be2a-527a1db0a9cc/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 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:24:48,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:48,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:24:48,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:24:48,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:24:48,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:48,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:24:48,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:24:48,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:48,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:48,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:48,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:24:48,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:48,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:24:48,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:48,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:48,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:24:48,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:24:48,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:24:48,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:48,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:48,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:48,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:48,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:24:48,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:24:48,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:24:48,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:48,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:48,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:48,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:24:48,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:24:48,641 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:24:48,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:24:48,645 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_1509f2e3-f299-4d53-be2a-527a1db0a9cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b [2024-11-08 19:24:48,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:24:48,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:24:48,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:24:48,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:24:48,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:24:48,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c Unable to find full path for "g++" [2024-11-08 19:24:51,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:24:51,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:24:51,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2024-11-08 19:24:51,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/data/abd93c79c/555cf51ce74d432cbb88ef1132ace712/FLAG26d4ca643 [2024-11-08 19:24:51,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/data/abd93c79c/555cf51ce74d432cbb88ef1132ace712 [2024-11-08 19:24:51,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:24:51,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:24:51,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:51,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:24:51,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:24:51,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:51" (1/1) ... [2024-11-08 19:24:51,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e34534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:51, skipping insertion in model container [2024-11-08 19:24:51,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:51" (1/1) ... [2024-11-08 19:24:51,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:24:51,814 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_1509f2e3-f299-4d53-be2a-527a1db0a9cc/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2024-11-08 19:24:52,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:52,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:24:52,083 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_1509f2e3-f299-4d53-be2a-527a1db0a9cc/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2024-11-08 19:24:52,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:52,202 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:24:52,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52 WrapperNode [2024-11-08 19:24:52,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:52,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:52,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:24:52,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:24:52,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,358 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 19:24:52,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:52,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:24:52,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:24:52,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:24:52,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:24:52,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:24:52,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:24:52,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:24:52,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:52" (1/1) ... [2024-11-08 19:24:52,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:52,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:24:52,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:52,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:24:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:24:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:24:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:24:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:24:52,693 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:24:52,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:24:54,039 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 19:24:54,039 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:24:57,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:24:57,345 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:24:57,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:57 BoogieIcfgContainer [2024-11-08 19:24:57,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:24:57,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:24:57,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:24:57,359 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:24:57,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:57" (1/1) ... [2024-11-08 19:24:57,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 19:24:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 19:24:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:24:57,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:57,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:57,805 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 19:24:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 19:24:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 19:24:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:24:57,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:13,687 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 19:25:14,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 19:25:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 19:25:14,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:25:14,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:14,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:28,102 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 19:25:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-08 19:25:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-08 19:25:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:25:29,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:29,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:49,365 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 19:25:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-08 19:25:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-08 19:25:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:25:50,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:50,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 19:26:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-08 19:26:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-08 19:26:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:26:03,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:03,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 19:26:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-08 19:26:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-08 19:26:19,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:26:19,107 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 19:26:19,116 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:26:19,533 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< 6 ~a19~0) .cse0 .cse1) (and (or (< ~a19~0 6) (not (= ~a10~0 2)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-11-08 19:26:19,534 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 19:26:19,534 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:26:19,534 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:26:19,535 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< 6 ~a19~0) .cse0 .cse1) (and (or (< ~a19~0 6) (not (= ~a10~0 2)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-11-08 19:26:19,535 INFO L77 FloydHoareUtils]: At program point L130-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (not (= ~a10~0 2)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (or .cse0 (not (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0))) [2024-11-08 19:26:19,535 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2024-11-08 19:26:19,536 INFO L77 FloydHoareUtils]: At program point L133-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (not (= ~a10~0 2)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (or .cse0 (not (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0))) [2024-11-08 19:26:19,536 INFO L75 FloydHoareUtils]: For program point L134(line 134) no Hoare annotation was computed. [2024-11-08 19:26:19,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:26:19 ImpRootNode [2024-11-08 19:26:19,562 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:26:19,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:26:19,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:26:19,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:26:19,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:57" (3/4) ... [2024-11-08 19:26:19,567 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:26:19,586 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2024-11-08 19:26:19,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 19:26:19,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:26:19,590 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:26:19,773 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:26:19,774 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:26:19,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:26:19,775 INFO L158 Benchmark]: Toolchain (without parser) took 88305.26ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 103.2MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2024-11-08 19:26:19,775 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:26:19,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.32ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 73.1MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 19:26:19,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.78ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 73.1MB in the beginning and 147.2MB in the end (delta: -74.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-08 19:26:19,777 INFO L158 Benchmark]: Boogie Preprocessor took 121.76ms. Allocated memory is still 182.5MB. Free memory was 147.2MB in the beginning and 142.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:26:19,778 INFO L158 Benchmark]: RCFGBuilder took 4864.82ms. Allocated memory was 182.5MB in the beginning and 337.6MB in the end (delta: 155.2MB). Free memory was 142.1MB in the beginning and 131.4MB in the end (delta: 10.7MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. [2024-11-08 19:26:19,779 INFO L158 Benchmark]: CodeCheck took 82214.92ms. Allocated memory was 337.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 131.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:26:19,780 INFO L158 Benchmark]: Witness Printer took 211.27ms. Allocated memory is still 1.7GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:26:19,782 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: 81.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 84 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 585 SyntacticMatches, 32 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2596 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 77.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 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: 134]: 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: ((((6 < a19) && (14 == a4)) && (a12 == 0)) || (((((a19 < 6) || (a10 != 2)) || (((long long) a1 + 13) < 0)) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((((a19 != 6) || (a10 != 2)) || (((long long) a1 + 12) < 0)) || (38 < a1)) && (14 == a4)) && (((a19 != 6) || (a10 != 0)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.32ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 73.1MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.78ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 73.1MB in the beginning and 147.2MB in the end (delta: -74.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.76ms. Allocated memory is still 182.5MB. Free memory was 147.2MB in the beginning and 142.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4864.82ms. Allocated memory was 182.5MB in the beginning and 337.6MB in the end (delta: 155.2MB). Free memory was 142.1MB in the beginning and 131.4MB in the end (delta: 10.7MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. * CodeCheck took 82214.92ms. Allocated memory was 337.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 131.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 211.27ms. Allocated memory is still 1.7GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:26:19,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1509f2e3-f299-4d53-be2a-527a1db0a9cc/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