./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c --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_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/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 70545f5392ebc5e90051a936a28b8141bae29fb0 ........................................................................................................................................................................................................................................ 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 21:59:20,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:59:20,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:59:20,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:59:20,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:59:20,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:59:20,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:59:20,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:59:20,590 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:59:20,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:59:20,593 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:59:20,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:59:20,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:59:20,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:59:20,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:59:20,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:59:20,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:59:20,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:59:20,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:59:20,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:59:20,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:59:20,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:59:20,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:59:20,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:59:20,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:59:20,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:59:20,626 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:59:20,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:59:20,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:59:20,629 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:59:20,629 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:59:20,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:59:20,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:59:20,630 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:59:20,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:59:20,631 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:59:20,631 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:59:20,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:59:20,644 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:59:20,644 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:59:20,644 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:59:20,645 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:59:20,645 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:59:20,645 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:59:20,646 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:59:20,647 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:59:20,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:59:20,647 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:59:20,647 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:59:20,647 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:59:20,649 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:59:20,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:59:20,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:59:20,650 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:59:20,650 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:59:20,650 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:59:20,651 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:59:20,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:59:20,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:59:20,651 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_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/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 -> 70545f5392ebc5e90051a936a28b8141bae29fb0 [2018-10-26 21:59:20,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:59:20,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:59:20,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:59:20,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:59:20,701 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:59:20,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-10-26 21:59:20,763 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/data/2a2aadb17/e8178c887fad461a9de39cae1a785fcb/FLAG620192639 [2018-10-26 21:59:21,241 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:59:21,242 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-10-26 21:59:21,253 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/data/2a2aadb17/e8178c887fad461a9de39cae1a785fcb/FLAG620192639 [2018-10-26 21:59:21,268 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/data/2a2aadb17/e8178c887fad461a9de39cae1a785fcb [2018-10-26 21:59:21,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:59:21,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:59:21,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:59:21,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:59:21,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:59:21,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:21,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0c1537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21, skipping insertion in model container [2018-10-26 21:59:21,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:21,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:59:21,343 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:59:21,723 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:59:21,727 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:59:21,829 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:59:21,844 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:59:21,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21 WrapperNode [2018-10-26 21:59:21,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:59:21,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:59:21,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:59:21,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:59:21,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:21,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:59:22,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:59:22,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:59:22,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:59:22,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... [2018-10-26 21:59:22,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:59:22,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:59:22,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:59:22,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:59:22,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/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 21:59:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:59:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:01:36,349 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:01:36,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:36 BoogieIcfgContainer [2018-10-26 22:01:36,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:01:36,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:01:36,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:01:36,364 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:01:36,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:36" (1/1) ... [2018-10-26 22:01:36,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:01:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 22:01:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 22:01:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:01:36,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:37,111 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 22:01:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-26 22:01:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-26 22:01:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 22:01:37,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:38,299 WARN L179 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 14 [2018-10-26 22:01:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:39,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-10-26 22:01:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-10-26 22:01:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:01:39,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-10-26 22:01:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-10-26 22:01:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:01:42,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-10-26 22:01:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-10-26 22:01:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 22:01:43,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:44,976 WARN L179 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-10-26 22:01:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:01:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2018-10-26 22:01:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2018-10-26 22:01:45,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:01:45,942 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-10-26 22:01:45,954 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:01:46,130 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2018-10-26 22:01:46,239 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:01:46,247 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:01:46,247 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 22:01:46,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:01:46 ImpRootNode [2018-10-26 22:01:46,248 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:01:46,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:01:46,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:01:46,249 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:01:46,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:36" (3/4) ... [2018-10-26 22:01:46,254 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:01:46,279 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-10-26 22:01:46,280 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 22:01:46,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 22:01:46,411 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_af9a8e8b-18dc-44f9-85d9-a1e519cf9dca/bin-2019/ukojak/witness.graphml [2018-10-26 22:01:46,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:01:46,413 INFO L168 Benchmark]: Toolchain (without parser) took 145140.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.0 MB). Free memory was 953.1 MB in the beginning and 829.9 MB in the end (delta: 123.2 MB). Peak memory consumption was 511.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,413 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:46,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 923.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -210.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,414 INFO L168 Benchmark]: Boogie Preprocessor took 98.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,415 INFO L168 Benchmark]: RCFGBuilder took 134223.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 813.3 MB in the end (delta: 314.1 MB). Peak memory consumption was 488.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,415 INFO L168 Benchmark]: CodeCheck took 9896.55 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 67.6 MB). Free memory was 813.3 MB in the beginning and 850.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,415 INFO L168 Benchmark]: Witness Printer took 163.27 ms. Allocated memory is still 1.4 GB. Free memory was 850.0 MB in the beginning and 829.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:46,419 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, 207 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 236 SDtfs, 564 SDslu, 560 SDs, 0 SdLazy, 1222 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 643 GetRequests, 549 SyntacticMatches, 26 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 11680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 5/57 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: 118]: 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: 582]: Loop Invariant Derived loop invariant: !(a19 == 8) || (a1 <= 38 || 219 <= a1) || !(a10 == 1) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a1 <= 38 || 218 < a1) || !(a19 == 8)) || !(a10 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 571.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 923.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 182.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -210.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 134223.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 813.3 MB in the end (delta: 314.1 MB). Peak memory consumption was 488.7 MB. Max. memory is 11.5 GB. * CodeCheck took 9896.55 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 67.6 MB). Free memory was 813.3 MB in the beginning and 850.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Witness Printer took 163.27 ms. Allocated memory is still 1.4 GB. Free memory was 850.0 MB in the beginning and 829.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...