./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm --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 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:20:50,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:20:50,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:20:50,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:20:50,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:20:50,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:20:50,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:20:50,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:20:50,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:20:50,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:20:50,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:20:50,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:20:50,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:20:50,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:20:50,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:20:50,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:20:50,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:20:50,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:20:50,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:20:50,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:20:50,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:50,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:20:50,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:20:50,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:20:50,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:20:50,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:20:50,885 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_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm 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 -> 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 [2024-11-13 23:20:51,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:20:51,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:20:51,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:20:51,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:20:51,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:20:51,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i Unable to find full path for "g++" [2024-11-13 23:20:53,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:20:53,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:20:53,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2024-11-13 23:20:53,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/data/358901764/99aef8fbc1174f7c9d6e114897bfdd3f/FLAG4dfa453fc [2024-11-13 23:20:53,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/data/358901764/99aef8fbc1174f7c9d6e114897bfdd3f [2024-11-13 23:20:53,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:20:53,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:20:53,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:53,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:20:53,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:20:53,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2785b03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53, skipping insertion in model container [2024-11-13 23:20:53,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:20:53,685 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_c06bf703-7392-46d3-a2d9-f966ad900cdd/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i[873,886] [2024-11-13 23:20:53,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:53,708 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:20:53,720 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_c06bf703-7392-46d3-a2d9-f966ad900cdd/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i[873,886] [2024-11-13 23:20:53,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:53,741 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:20:53,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53 WrapperNode [2024-11-13 23:20:53,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:53,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:53,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:20:53,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:20:53,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,773 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2024-11-13 23:20:53,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:53,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:20:53,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:20:53,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:20:53,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:20:53,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:20:53,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:20:53,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:20:53,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:53" (1/1) ... [2024-11-13 23:20:53,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:53,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:20:53,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:20:53,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:20:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:20:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:20:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:20:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:20:53,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:20:53,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:20:54,085 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 23:20:54,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:20:54,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:20:54,110 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:20:54,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:54 BoogieIcfgContainer [2024-11-13 23:20:54,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:20:54,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:20:54,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:20:54,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:20:54,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:54" (1/1) ... [2024-11-13 23:20:54,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:20:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 23:20:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 23:20:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:20:54,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:54,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 23:20:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 23:20:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:20:54,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 23:20:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 23:20:54,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:20:54,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:54,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:20:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:20:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:20:54,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:54,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 23:20:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 23:20:55,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:20:55,714 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 23:20:55,726 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:20:55,887 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:20:55,889 INFO L77 FloydHoareUtils]: At program point L23-2(lines 23 27) the Hoare annotation is: (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) (and (<= 0 (+ |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (< 1 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~c~0#1|))) [2024-11-13 23:20:55,891 INFO L77 FloydHoareUtils]: At program point L23-3(lines 23 27) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~c~0#1|) [2024-11-13 23:20:55,891 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 23:20:55,891 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:20:55,891 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 30) the Hoare annotation is: true [2024-11-13 23:20:55,891 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) (and (< 1 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~c~0#1|))) [2024-11-13 23:20:55,892 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-13 23:20:55,892 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-13 23:20:55,892 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-13 23:20:55,892 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-11-13 23:20:55,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:20:55 ImpRootNode [2024-11-13 23:20:55,907 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:20:55,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:20:55,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:20:55,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:20:55,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:54" (3/4) ... [2024-11-13 23:20:55,912 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:20:55,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 23:20:55,921 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:20:55,921 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:20:55,922 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:20:56,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:20:56,003 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:20:56,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:20:56,005 INFO L158 Benchmark]: Toolchain (without parser) took 2506.82ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 59.1MB in the end (delta: 33.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-13 23:20:56,009 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:56,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.27ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:56,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.68ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:56,010 INFO L158 Benchmark]: Boogie Preprocessor took 24.33ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 623.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:56,010 INFO L158 Benchmark]: RCFGBuilder took 310.70ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 70.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:56,010 INFO L158 Benchmark]: CodeCheck took 1796.28ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 63.6MB in the end (delta: 6.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-13 23:20:56,011 INFO L158 Benchmark]: Witness Printer took 94.65ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 59.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:56,012 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: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 28 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 191 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/5 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: 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: (((((0 < i) && (0 <= c)) && (i <= 1)) || (((0 <= ((long long) c + i)) && (i <= 0)) && (0 <= i))) || ((1 < i) && (1 <= c))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.27ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.68ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.33ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 623.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.70ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 70.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1796.28ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 63.6MB in the end (delta: 6.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 94.65ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 59.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:20:56,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06bf703-7392-46d3-a2d9-f966ad900cdd/bin/ukojak-verify-EEHR8qb7sm/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