./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/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 2f03a9521f9986f7627623e3bf6c079dbfbe3dc9d9c229ed8d14a2828a7d6850 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:50,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:50,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:20:50,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:50,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:50,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:50,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:50,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:50,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:50,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:50,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:50,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:50,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:50,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:50,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:50,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:50,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:50,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:50,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:50,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:50,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:50,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:50,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:50,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:50,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:50,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:50,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:50,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:50,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:50,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:50,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:50,279 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:50,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:50,280 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f03a9521f9986f7627623e3bf6c079dbfbe3dc9d9c229ed8d14a2828a7d6850 [2024-11-08 22:20:50,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:50,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:50,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:50,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:50,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:50,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c Unable to find full path for "g++" [2024-11-08 22:20:52,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:53,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:53,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-11-08 22:20:53,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/data/575b625a5/e9f8240eb7af411ca4be792bf895bcdf/FLAGd1ed59c34 [2024-11-08 22:20:53,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/data/575b625a5/e9f8240eb7af411ca4be792bf895bcdf [2024-11-08 22:20:53,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:53,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:53,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:53,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:53,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:53,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1d4c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53, skipping insertion in model container [2024-11-08 22:20:53,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:53,344 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-11-08 22:20:53,351 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-11-08 22:20:53,353 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-11-08 22:20:53,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:53,369 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:53,382 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-11-08 22:20:53,384 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-11-08 22:20:53,387 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_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-11-08 22:20:53,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:53,418 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:53,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53 WrapperNode [2024-11-08 22:20:53,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:53,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:53,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:53,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:53,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,454 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2024-11-08 22:20:53,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:53,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:53,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:53,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:53,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:53,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:53,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:53,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:53,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:53,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:53,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:20:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:53,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:53,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:53,743 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:53,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:53,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:53,769 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:20:53,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:53 BoogieIcfgContainer [2024-11-08 22:20:53,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:53,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:53,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:53,789 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:53,790 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-08 22:20:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-08 22:20:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:20:53,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:54,148 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 22:20:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:20:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:20:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:20:54,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:54,402 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 22:20:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 22:20:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 22:20:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:20:54,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:54,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:54,881 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 22:20:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-08 22:20:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-08 22:20:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:55,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:55,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-08 22:20:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-08 22:20:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:20:55,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:55,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-08 22:20:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-08 22:20:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:20:56,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:56,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:20:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-08 22:20:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-08 22:20:57,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:20:57,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:57,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:20:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:20:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:20:59,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:20:59,253 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 22:20:59,262 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-08 22:20:59,402 INFO L77 FloydHoareUtils]: At program point L33(lines 33 89) the Hoare annotation is: (and (= |ULTIMATE.start_main_~main__i~0#1| 0) (= |ULTIMATE.start_main_~main__j~0#1| 0) (<= (+ |ULTIMATE.start_main_~main__i~0#1| 1) |ULTIMATE.start_main_~main__nlen~0#1|) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1)) [2024-11-08 22:20:59,402 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:20:59,403 INFO L75 FloydHoareUtils]: For program point L64(line 64) no Hoare annotation was computed. [2024-11-08 22:20:59,404 INFO L77 FloydHoareUtils]: At program point L62(lines 62 70) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~2#1| 0)) (< 0 (+ |ULTIMATE.start_main_~main__i~0#1| 1)) (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__nlen~0#1|)) [2024-11-08 22:20:59,405 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2024-11-08 22:20:59,406 INFO L75 FloydHoareUtils]: For program point L48(line 48) no Hoare annotation was computed. [2024-11-08 22:20:59,406 INFO L77 FloydHoareUtils]: At program point L46(lines 46 87) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~main__i~0#1|) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 1) (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__nlen~0#1|)) [2024-11-08 22:20:59,406 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:20:59,407 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 13 102) the Hoare annotation is: true [2024-11-08 22:20:59,407 INFO L77 FloydHoareUtils]: At program point $Ultimate##10(lines 55 86) the Hoare annotation is: (and (< 0 (+ |ULTIMATE.start_main_~main__i~0#1| 1)) (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__nlen~0#1|)) [2024-11-08 22:20:59,407 INFO L77 FloydHoareUtils]: At program point L40(lines 39 89) the Hoare annotation is: (and (< 0 (+ |ULTIMATE.start_main_~main__i~0#1| 1)) (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__nlen~0#1|)) [2024-11-08 22:20:59,407 INFO L77 FloydHoareUtils]: At program point $Ultimate##2(lines 23 101) the Hoare annotation is: (= |ULTIMATE.start_main_~main__i~0#1| 0) [2024-11-08 22:20:59,407 INFO L77 FloydHoareUtils]: At program point L26(lines 26 96) the Hoare annotation is: (and (= |ULTIMATE.start_main_~main__i~0#1| 0) (= |ULTIMATE.start_main_~main__j~0#1| 0) (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__nlen~0#1|)) [2024-11-08 22:20:59,408 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2024-11-08 22:20:59,408 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 64) no Hoare annotation was computed. [2024-11-08 22:20:59,408 INFO L77 FloydHoareUtils]: At program point L76(lines 76 85) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~main__i~0#1|) [2024-11-08 22:20:59,408 INFO L75 FloydHoareUtils]: For program point L35(line 35) no Hoare annotation was computed. [2024-11-08 22:20:59,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:20:59 ImpRootNode [2024-11-08 22:20:59,429 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:20:59,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:20:59,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:20:59,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:20:59,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:53" (3/4) ... [2024-11-08 22:20:59,435 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:20:59,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-08 22:20:59,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:20:59,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:20:59,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:20:59,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:20:59,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:20:59,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:20:59,567 INFO L158 Benchmark]: Toolchain (without parser) took 6504.69ms. Allocated memory is still 203.4MB. Free memory was 166.0MB in the beginning and 93.6MB in the end (delta: 72.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,567 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 134.2MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:59,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.38ms. Allocated memory is still 203.4MB. Free memory was 166.0MB in the beginning and 152.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 203.4MB. Free memory was 152.8MB in the beginning and 151.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,568 INFO L158 Benchmark]: Boogie Preprocessor took 17.45ms. Allocated memory is still 203.4MB. Free memory was 151.3MB in the beginning and 149.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,569 INFO L158 Benchmark]: RCFGBuilder took 295.74ms. Allocated memory is still 203.4MB. Free memory was 149.8MB in the beginning and 138.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,569 INFO L158 Benchmark]: CodeCheck took 5659.14ms. Allocated memory is still 203.4MB. Free memory was 138.2MB in the beginning and 97.8MB in the end (delta: 40.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,569 INFO L158 Benchmark]: Witness Printer took 136.09ms. Allocated memory is still 203.4MB. Free memory was 97.8MB in the beginning and 93.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:20:59,571 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, 17 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 261 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 607 IncrementalHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 42 mSDtfsCounter, 607 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 671 GetRequests, 556 SyntacticMatches, 15 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3155 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 10/19 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: 35]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 48]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 64]: 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 3 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: (main__i == 0) - InvariantResult [Line: 55]: Location Invariant Derived location invariant: ((0 < ((long long) main__i + 1)) && (main__i < main__nlen)) - InvariantResult [Line: 39]: Location Invariant Derived location invariant: ((0 < ((long long) main__i + 1)) && (main__i < main__nlen)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 134.2MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.38ms. Allocated memory is still 203.4MB. Free memory was 166.0MB in the beginning and 152.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 203.4MB. Free memory was 152.8MB in the beginning and 151.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.45ms. Allocated memory is still 203.4MB. Free memory was 151.3MB in the beginning and 149.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.74ms. Allocated memory is still 203.4MB. Free memory was 149.8MB in the beginning and 138.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5659.14ms. Allocated memory is still 203.4MB. Free memory was 138.2MB in the beginning and 97.8MB in the end (delta: 40.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Witness Printer took 136.09ms. Allocated memory is still 203.4MB. Free memory was 97.8MB in the beginning and 93.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:20:59,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d47bcbb-31fc-4ef9-ae62-6c0f45bb0197/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE