./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark09_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_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/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_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/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_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/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 64cd7ac5eb0a9d67f170f7116fe70bfc33ede6496f7f1decfe8a4115f59f37aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:15:30,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:15:30,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:15:30,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:15:30,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:15:30,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:15:30,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:15:30,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:15:30,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:15:30,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:15:30,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:15:30,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:15:30,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:15:30,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:15:30,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:30,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:15:30,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:15:30,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:15:30,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:15:30,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:15:30,685 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_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/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 -> 64cd7ac5eb0a9d67f170f7116fe70bfc33ede6496f7f1decfe8a4115f59f37aa [2024-12-06 04:15:30,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:15:30,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:15:30,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:15:30,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:15:30,893 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:15:30,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i [2024-12-06 04:15:33,584 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/data/964289ee4/57b9261203c64a98b792b7ea28778cf4/FLAG0fac53d27 [2024-12-06 04:15:33,774 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:15:33,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i [2024-12-06 04:15:33,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/data/964289ee4/57b9261203c64a98b792b7ea28778cf4/FLAG0fac53d27 [2024-12-06 04:15:33,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/data/964289ee4/57b9261203c64a98b792b7ea28778cf4 [2024-12-06 04:15:33,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:15:33,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:15:33,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:33,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:15:33,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:15:33,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:33" (1/1) ... [2024-12-06 04:15:33,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713b46fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:33, skipping insertion in model container [2024-12-06 04:15:33,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:33" (1/1) ... [2024-12-06 04:15:33,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:15:33,969 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_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i[873,886] [2024-12-06 04:15:33,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:33,987 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:15:33,997 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_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i[873,886] [2024-12-06 04:15:33,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:34,011 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:15:34,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34 WrapperNode [2024-12-06 04:15:34,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:34,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:34,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:15:34,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:15:34,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,037 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-06 04:15:34,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:34,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:15:34,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:15:34,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:15:34,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,047 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:15:34,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:15:34,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:15:34,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:15:34,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:15:34,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:15:34,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:15:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:15:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:15:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:15:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:15:34,157 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:15:34,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:15:34,241 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 04:15:34,242 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:15:34,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:15:34,260 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:15:34,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:34 BoogieIcfgContainer [2024-12-06 04:15:34,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:15:34,260 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:15:34,260 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:15:34,267 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:15:34,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:34" (1/1) ... [2024-12-06 04:15:34,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:15:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-06 04:15:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-06 04:15:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:15:34,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:34,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:15:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 04:15:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 04:15:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:15:34,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:34,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:15:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-06 04:15:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-06 04:15:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:15:34,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:34,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:15:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 04:15:35,252 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 04:15:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:15:35,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:35,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:15:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-06 04:15:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-06 04:15:35,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:15:35,478 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-06 04:15:35,484 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:15:35,503 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point L23-3(lines 23 27) the Hoare annotation is: (and (< |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| 1)) (<= 0 |ULTIMATE.start_main_~y~0#1|) (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| 1))) [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point L23-4(lines 23 27) the Hoare annotation is: (= |ULTIMATE.start_main_~y~0#1| 0) [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 30) the Hoare annotation is: true [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (and (< |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| 1)) (<= 0 |ULTIMATE.start_main_~y~0#1|) (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| 1))) [2024-12-06 04:15:35,504 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-12-06 04:15:35,504 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-12-06 04:15:35,504 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-12-06 04:15:35,505 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-12-06 04:15:35,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:15:35 ImpRootNode [2024-12-06 04:15:35,516 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:15:35,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:15:35,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:15:35,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:15:35,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:34" (3/4) ... [2024-12-06 04:15:35,519 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:15:35,525 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 04:15:35,525 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 04:15:35,525 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:15:35,525 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:15:35,590 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:15:35,590 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:15:35,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:15:35,591 INFO L158 Benchmark]: Toolchain (without parser) took 1773.84ms. Allocated memory is still 142.6MB. Free memory was 120.2MB in the beginning and 73.7MB in the end (delta: 46.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-12-06 04:15:35,591 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:35,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.34ms. Allocated memory is still 142.6MB. Free memory was 120.0MB in the beginning and 109.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:35,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.19ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:35,592 INFO L158 Benchmark]: Boogie Preprocessor took 14.31ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.5MB in the end (delta: 735.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:35,592 INFO L158 Benchmark]: RCFGBuilder took 207.37ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 97.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:35,592 INFO L158 Benchmark]: CodeCheck took 1255.60ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 78.1MB in the end (delta: 19.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 04:15:35,593 INFO L158 Benchmark]: Witness Printer took 73.54ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 73.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:35,594 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: 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, 50 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 12 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 205 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 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: 23]: Loop Invariant Derived loop invariant: (((x < ((long long) y + 1)) && (0 <= y)) && (y < ((long long) x + 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.34ms. Allocated memory is still 142.6MB. Free memory was 120.0MB in the beginning and 109.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.19ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.31ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.5MB in the end (delta: 735.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 207.37ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 97.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1255.60ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 78.1MB in the end (delta: 19.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 73.54ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 73.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:15:35,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f1fea5-bdfa-4ab6-ba7c-cbc3a867b252/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