./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL --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 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:25,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:25,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:29:25,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:29:25,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:29:25,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:25,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:25,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:25,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:25,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:25,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:25,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:25,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:25,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:29:25,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:25,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:25,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:25,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:25,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:25,454 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:25,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:25,455 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:25,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:25,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:25,457 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:25,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:25,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:25,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:25,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:25,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:25,461 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:29:25,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:29:25,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:25,463 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_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2023-11-19 03:29:25,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:25,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:25,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:25,755 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:25,756 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:25,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-invgen/large_const.i [2023-11-19 03:29:28,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:29,197 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:29,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/sv-benchmarks/c/loop-invgen/large_const.i [2023-11-19 03:29:29,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/data/90d85d6d1/7dec0aa543284dcd8ea14e8373d62a33/FLAG0411e5b4e [2023-11-19 03:29:29,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/data/90d85d6d1/7dec0aa543284dcd8ea14e8373d62a33 [2023-11-19 03:29:29,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:29,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:29,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:29,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:29,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:29,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0f7f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29, skipping insertion in model container [2023-11-19 03:29:29,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:29,721 WARN L240 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_5ded78ff-5faf-4890-bce8-ad0c98ce3534/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2023-11-19 03:29:29,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:29,746 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:29,761 WARN L240 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_5ded78ff-5faf-4890-bce8-ad0c98ce3534/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2023-11-19 03:29:29,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:29,782 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:29,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29 WrapperNode [2023-11-19 03:29:29,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:29,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:29,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:29,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:29,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,828 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-19 03:29:29,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:29,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:29,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:29,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:29,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:29,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:29,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:29,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:29,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:29,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:29,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:29,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:29,993 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:29,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:30,134 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:30,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:30,181 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:29:30,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:30 BoogieIcfgContainer [2023-11-19 03:29:30,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:30,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:30,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:30,198 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:30,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:30" (1/1) ... [2023-11-19 03:29:30,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-19 03:29:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-19 03:29:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:29:30,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2023-11-19 03:29:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2023-11-19 03:29:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:29:30,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2023-11-19 03:29:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2023-11-19 03:29:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:29:31,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:31,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:31,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2023-11-19 03:29:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2023-11-19 03:29:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:29:31,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:31,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-19 03:29:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-19 03:29:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:29:32,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-19 03:29:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-19 03:29:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:33,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:33,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-19 03:29:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-19 03:29:33,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:29:33,945 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:29:33,954 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:29:34,018 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:29:34,022 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 03:29:34,025 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 03:29:34,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j~0 [2023-11-19 03:29:34,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-19 03:29:34,027 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-19 03:29:34,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:34 ImpRootNode [2023-11-19 03:29:34,028 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:34,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:34,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:34,029 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:34,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:30" (3/4) ... [2023-11-19 03:29:34,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:29:34,039 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:29:34,039 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:29:34,039 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:29:34,040 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:29:34,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:29:34,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:29:34,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:34,151 INFO L158 Benchmark]: Toolchain (without parser) took 4605.12ms. Allocated memory is still 176.2MB. Free memory was 141.7MB in the beginning and 104.3MB in the end (delta: 37.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-19 03:29:34,152 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:34,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.89ms. Allocated memory is still 176.2MB. Free memory was 141.1MB in the beginning and 130.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:29:34,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.27ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:34,153 INFO L158 Benchmark]: Boogie Preprocessor took 22.97ms. Allocated memory is still 176.2MB. Free memory was 129.0MB in the beginning and 128.1MB in the end (delta: 887.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:34,154 INFO L158 Benchmark]: RCFGBuilder took 333.68ms. Allocated memory is still 176.2MB. Free memory was 128.1MB in the beginning and 115.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:29:34,154 INFO L158 Benchmark]: CodeCheck took 3840.71ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 109.5MB in the end (delta: 5.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-19 03:29:34,155 INFO L158 Benchmark]: Witness Printer took 121.99ms. Allocated memory is still 176.2MB. Free memory was 109.5MB in the beginning and 104.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:34,157 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 58 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 485 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1902 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 12/20 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: 19]: 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((!((i == 0)) && (n <= i)) && (1999 < k)) && (n <= 1)) || (((((i == 0) && (2000 <= c2)) && (4000 <= c1)) && (k == 0)) && (10000 <= c3))) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((1999 < k) && (j == 0)) && (n <= 1)) || (n <= j)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.89ms. Allocated memory is still 176.2MB. Free memory was 141.1MB in the beginning and 130.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.27ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.97ms. Allocated memory is still 176.2MB. Free memory was 129.0MB in the beginning and 128.1MB in the end (delta: 887.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.68ms. Allocated memory is still 176.2MB. Free memory was 128.1MB in the beginning and 115.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3840.71ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 109.5MB in the end (delta: 5.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 121.99ms. Allocated memory is still 176.2MB. Free memory was 109.5MB in the beginning and 104.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 RESULT: Ultimate proved your program to be correct! [2023-11-19 03:29:34,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ded78ff-5faf-4890-bce8-ad0c98ce3534/bin/ukojak-verify-G8NBE6pJGL/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