./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b03e1cb325e2c3a8ef30197a8e07012b3a728d97 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:32:05,677 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:32:05,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:32:05,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:32:05,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:32:05,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:32:05,690 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:32:05,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:32:05,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:32:05,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:32:05,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:32:05,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:32:05,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:32:05,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:32:05,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:32:05,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:32:05,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:32:05,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:32:05,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:32:05,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:32:05,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:32:05,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:32:05,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:32:05,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:32:05,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:32:05,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:32:05,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:32:05,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:32:05,715 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:32:05,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:32:05,716 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:32:05,717 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:32:05,717 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:32:05,717 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:32:05,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:32:05,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:32:05,719 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:32:05,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:32:05,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:32:05,733 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:32:05,733 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:32:05,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:32:05,734 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:32:05,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:32:05,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:32:05,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:32:05,734 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:32:05,734 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:32:05,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:32:05,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:32:05,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:32:05,735 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:32:05,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:32:05,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:32:05,736 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:32:05,736 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:32:05,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:32:05,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:32:05,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:32:05,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:32:05,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:32:05,739 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:32:05,739 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:32:05,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:32:05,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:32:05,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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(__VERIFIER_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 -> b03e1cb325e2c3a8ef30197a8e07012b3a728d97 [2018-10-26 20:32:05,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:32:05,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:32:05,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:32:05,786 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:32:05,786 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:32:05,788 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-10-26 20:32:05,830 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/data/2832e8b73/e796ff84ea024feb8a7a878afc5f0319/FLAG09152502c [2018-10-26 20:32:06,210 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:32:06,210 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-10-26 20:32:06,216 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/data/2832e8b73/e796ff84ea024feb8a7a878afc5f0319/FLAG09152502c [2018-10-26 20:32:06,228 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/data/2832e8b73/e796ff84ea024feb8a7a878afc5f0319 [2018-10-26 20:32:06,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:32:06,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:32:06,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:32:06,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:32:06,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:32:06,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce6d6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06, skipping insertion in model container [2018-10-26 20:32:06,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:32:06,267 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:32:06,381 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:32:06,383 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:32:06,397 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:32:06,408 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:32:06,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06 WrapperNode [2018-10-26 20:32:06,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:32:06,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:32:06,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:32:06,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:32:06,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:32:06,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:32:06,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:32:06,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:32:06,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... [2018-10-26 20:32:06,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:32:06,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:32:06,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:32:06,462 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:32:06,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:32:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:32:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:32:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:32:07,118 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:32:07,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:32:07 BoogieIcfgContainer [2018-10-26 20:32:07,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:32:07,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:32:07,119 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:32:07,130 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:32:07,131 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:32:07" (1/1) ... [2018-10-26 20:32:07,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:32:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2018-10-26 20:32:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2018-10-26 20:32:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 20:32:07,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:32:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-26 20:32:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-26 20:32:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 20:32:07,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:32:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-10-26 20:32:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-10-26 20:32:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:32:07,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:32:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-10-26 20:32:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-10-26 20:32:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 20:32:08,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:32:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-26 20:32:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-26 20:32:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 20:32:09,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:32:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-10-26 20:32:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-10-26 20:32:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:32:09,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:32:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:10,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:32:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-10-26 20:32:10,297 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-10-26 20:32:10,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:32:10,298 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-10-26 20:32:10,307 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:32:10,374 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:32:10,376 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:32:10,382 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-10-26 20:32:10,382 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 20:32:10,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:32:10 ImpRootNode [2018-10-26 20:32:10,384 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:32:10,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:32:10,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:32:10,385 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:32:10,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:32:07" (3/4) ... [2018-10-26 20:32:10,389 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:32:10,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 20:32:10,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 20:32:10,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 20:32:10,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:32:10,446 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37c85a74-356a-432e-90fa-2e44411da934/bin-2019/ukojak/witness.graphml [2018-10-26 20:32:10,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:32:10,447 INFO L168 Benchmark]: Toolchain (without parser) took 4215.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 960.7 MB in the beginning and 1.0 GB in the end (delta: -59.5 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:32:10,449 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:32:10,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:32:10,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.00 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:32:10,450 INFO L168 Benchmark]: Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:32:10,450 INFO L168 Benchmark]: RCFGBuilder took 656.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:32:10,450 INFO L168 Benchmark]: CodeCheck took 3265.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:32:10,451 INFO L168 Benchmark]: Witness Printer took 62.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:32:10,453 INFO L336 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, 19 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 720 SDtfs, 354 SDslu, 480 SDs, 0 SdLazy, 1498 SolverSat, 444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 659 GetRequests, 584 SyntacticMatches, 7 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 2327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 15/21 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (2000 <= k && n <= j + 1) || n <= j - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: n <= j + 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((10000 <= c3 + k && i <= 0) && 4000 <= c1 + k) && 2000 <= c2 + k) && 0 <= i) || ((2000 <= k && 0 < i) && n <= 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.00 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 656.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3265.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...