./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b --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 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:29:22,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:29:22,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:29:22,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:29:22,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:29:22,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:29:22,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:29:22,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:29:22,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:29:22,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:29:22,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:29:22,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:29:22,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:29:22,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:29:22,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:29:22,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:29:22,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:29:22,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:29:22,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:29:22,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:29:22,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:29:22,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:29:22,693 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:29:22,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:29:22,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b 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 -> 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 [2024-12-05 21:29:22,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:29:22,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:29:22,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:29:22,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:29:22,932 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:29:22,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-12-05 21:29:25,550 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/data/29aae9cff/8e2f3b3a536e453ca98d1989a17cee24/FLAG528ade167 [2024-12-05 21:29:25,745 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:29:25,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-12-05 21:29:25,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/data/29aae9cff/8e2f3b3a536e453ca98d1989a17cee24/FLAG528ade167 [2024-12-05 21:29:26,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/data/29aae9cff/8e2f3b3a536e453ca98d1989a17cee24 [2024-12-05 21:29:26,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:29:26,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:29:26,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:29:26,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:29:26,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:29:26,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235c373f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26, skipping insertion in model container [2024-12-05 21:29:26,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:29:26,270 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_1f432207-55a3-4c5c-9c68-d81ff1db973b/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2024-12-05 21:29:26,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:29:26,292 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:29:26,304 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_1f432207-55a3-4c5c-9c68-d81ff1db973b/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2024-12-05 21:29:26,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:29:26,321 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:29:26,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26 WrapperNode [2024-12-05 21:29:26,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:29:26,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:29:26,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:29:26,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:29:26,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,352 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-12-05 21:29:26,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:29:26,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:29:26,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:29:26,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:29:26,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,363 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:29:26,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:29:26,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:29:26,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:29:26,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:29:26,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:29:26,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:29:26,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:29:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:29:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:29:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:29:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:29:26,468 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:29:26,470 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:29:26,561 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 21:29:26,561 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:29:26,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:29:26,588 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:29:26,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:29:26 BoogieIcfgContainer [2024-12-05 21:29:26,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:29:26,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:29:26,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:29:26,599 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:29:26,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:29:26" (1/1) ... [2024-12-05 21:29:26,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:29:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 21:29:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 21:29:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:29:26,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:26,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:29:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-05 21:29:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-05 21:29:26,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:29:26,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:29:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-12-05 21:29:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-12-05 21:29:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:29:27,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:27,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:29:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 21:29:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 21:29:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:29:27,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:27,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:29:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:29:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:29:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:29:27,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:29:27,791 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 21:29:27,797 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:29:27,848 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:29:27,848 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-12-05 21:29:27,848 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-12-05 21:29:27,848 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:29:27,848 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: true [2024-12-05 21:29:27,848 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-12-05 21:29:27,849 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 26) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~n~0#1|)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 (< |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~n~0#1|)))) [2024-12-05 21:29:27,849 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-12-05 21:29:27,849 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-12-05 21:29:27,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:29:27 ImpRootNode [2024-12-05 21:29:27,858 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:29:27,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:29:27,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:29:27,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:29:27,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:29:26" (3/4) ... [2024-12-05 21:29:27,860 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:29:27,865 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-05 21:29:27,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 21:29:27,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:29:27,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:29:27,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:29:27,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:29:27,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:29:27,920 INFO L158 Benchmark]: Toolchain (without parser) took 1799.49ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 40.5MB in the end (delta: 53.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-12-05 21:29:27,920 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:29:27,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.24ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:29:27,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.86ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:29:27,921 INFO L158 Benchmark]: Boogie Preprocessor took 17.18ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.8MB in the end (delta: 816.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:29:27,921 INFO L158 Benchmark]: RCFGBuilder took 218.66ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 69.8MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:29:27,922 INFO L158 Benchmark]: CodeCheck took 1268.37ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 45.3MB in the end (delta: 24.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-12-05 21:29:27,922 INFO L158 Benchmark]: Witness Printer took 60.89ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 40.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:29:27,924 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: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 20 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 180 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/7 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 16]: 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: ((((j == k) && (n <= k)) && (1 <= n)) || (((0 <= k) && (j == k)) && (j < n))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.24ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.86ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.18ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.8MB in the end (delta: 816.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 218.66ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 69.8MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1268.37ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 45.3MB in the end (delta: 24.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 60.89ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 40.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:29:27,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f432207-55a3-4c5c-9c68-d81ff1db973b/bin/ukojak-verify-CZk0znPC7b/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