./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/matrix-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/matrix-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/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 d5a6ec162428ec37050a5f893bf0066c8b3fd7be ........................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:48:30,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:48:30,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:48:30,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:48:30,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:48:30,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:48:30,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:48:30,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:48:30,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:48:30,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:48:30,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:48:30,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:48:30,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:48:30,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:48:30,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:48:30,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:48:30,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:48:30,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:48:30,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:48:30,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:48:30,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:48:30,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:48:30,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:48:30,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:48:30,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:48:30,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:48:30,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:48:30,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:48:30,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:48:30,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:48:30,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:48:30,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:48:30,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:48:30,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:48:30,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:48:30,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:48:30,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:48:30,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:48:30,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:48:30,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:48:30,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:48:30,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:48:30,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:48:30,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:48:30,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:48:30,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:48:30,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:48:30,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:48:30,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:48:30,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:48:30,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:48:30,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:48:30,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:48:30,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:48:30,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:48:30,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:48:30,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:48:30,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:48:30,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:48:30,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:48:30,591 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:48:30,591 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:48:30,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:48:30,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:48:30,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:48:30,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:48:30,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:48:30,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:48:30,592 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:48:30,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:48:30,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:48:30,593 INFO L138 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-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/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 -> d5a6ec162428ec37050a5f893bf0066c8b3fd7be [2019-11-26 02:48:30,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:48:30,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:48:30,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:48:30,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:48:30,738 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:48:30,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/../../sv-benchmarks/c/loops/matrix-2.c [2019-11-26 02:48:30,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/data/a963bcced/0745b6f274af4aab9ae2a642c3a6c71f/FLAGbbb7ffbdc [2019-11-26 02:48:31,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:48:31,184 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/sv-benchmarks/c/loops/matrix-2.c [2019-11-26 02:48:31,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/data/a963bcced/0745b6f274af4aab9ae2a642c3a6c71f/FLAGbbb7ffbdc [2019-11-26 02:48:31,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/data/a963bcced/0745b6f274af4aab9ae2a642c3a6c71f [2019-11-26 02:48:31,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:48:31,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:48:31,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:31,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:48:31,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:48:31,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:31,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4021b628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31, skipping insertion in model container [2019-11-26 02:48:31,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:31,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:48:31,657 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:48:31,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:31,927 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:48:31,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:31,966 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:48:31,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31 WrapperNode [2019-11-26 02:48:31,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:31,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:31,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:48:31,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:48:31,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:31,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:32,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:48:32,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:48:32,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:48:32,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... [2019-11-26 02:48:32,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:48:32,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:48:32,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:48:32,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:48:32,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/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 [2019-11-26 02:48:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:48:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:48:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:48:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:48:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:48:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:48:32,537 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:48:32,538 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-26 02:48:32,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:32 BoogieIcfgContainer [2019-11-26 02:48:32,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:48:32,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:48:32,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:48:32,549 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:48:32,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:32" (1/1) ... [2019-11-26 02:48:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2019-11-26 02:48:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-26 02:48:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:48:32,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:32,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 02:48:32,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:48:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:48:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2019-11-26 02:48:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2019-11-26 02:48:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:48:32,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:32,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:48:32,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:48:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:48:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 32 transitions. [2019-11-26 02:48:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 32 transitions. [2019-11-26 02:48:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:48:33,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:48:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:48:33,366 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-11-26 02:48:33,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:48:33 ImpRootNode [2019-11-26 02:48:33,391 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:48:33,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:48:33,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:48:33,392 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:48:33,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:32" (3/4) ... [2019-11-26 02:48:33,394 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:48:33,433 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4683a83-768c-4407-a699-809abc588ab2/bin/ukojak/witness.graphml [2019-11-26 02:48:33,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:48:33,435 INFO L168 Benchmark]: Toolchain (without parser) took 1810.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -64.7 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:33,435 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:48:33,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:33,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:48:33,437 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:48:33,437 INFO L168 Benchmark]: RCFGBuilder took 490.35 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: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:33,438 INFO L168 Benchmark]: CodeCheck took 851.84 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: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:33,438 INFO L168 Benchmark]: Witness Printer took 41.49 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. [2019-11-26 02:48:33,441 INFO L335 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, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 100 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 6 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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 - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int N_LIN=__VERIFIER_nondet_uint(); [L15] unsigned int N_COL=__VERIFIER_nondet_uint(); [L16] unsigned int j,k; [L17] int matriz[N_COL][N_LIN], maior; [L19] maior = __VERIFIER_nondet_int() [L20] j=0 [L20] COND TRUE jmaior) [L21] k++ [L21] COND FALSE !(k