./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-tiling/skippedu_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/skippedu_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/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 69a8cdfb90da21c880e2ea8c68ae8d9efb957756 ....................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 18:43:00,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:43:00,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:43:00,396 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:43:00,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:43:00,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:43:00,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:43:00,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:43:00,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:43:00,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:43:00,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:43:00,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:43:00,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:43:00,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:43:00,405 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:43:00,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:43:00,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:43:00,408 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:43:00,410 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:43:00,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:43:00,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:43:00,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:43:00,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:43:00,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:43:00,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:43:00,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:43:00,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:43:00,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:43:00,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:43:00,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:43:00,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:43:00,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:43:00,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:43:00,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:43:00,421 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:43:00,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:43:00,422 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:43:00,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:43:00,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:43:00,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:43:00,433 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:43:00,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:43:00,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:43:00,434 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:43:00,434 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:43:00,434 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:43:00,434 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:43:00,434 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:43:00,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:43:00,435 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:43:00,435 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:43:00,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:43:00,436 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:43:00,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:43:00,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:43:00,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:43:00,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:43:00,437 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:43:00,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:43:00,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:43:00,437 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_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/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 -> 69a8cdfb90da21c880e2ea8c68ae8d9efb957756 [2018-11-18 18:43:00,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:43:00,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:43:00,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:43:00,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:43:00,479 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:43:00,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/../../sv-benchmarks/c/array-tiling/skippedu_false-unreach-call.i [2018-11-18 18:43:00,531 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/data/48f1d40fb/f0d3d5385a1847e5827ce932edd9e876/FLAGdb884d696 [2018-11-18 18:43:00,887 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:43:00,887 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/sv-benchmarks/c/array-tiling/skippedu_false-unreach-call.i [2018-11-18 18:43:00,892 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/data/48f1d40fb/f0d3d5385a1847e5827ce932edd9e876/FLAGdb884d696 [2018-11-18 18:43:00,903 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/data/48f1d40fb/f0d3d5385a1847e5827ce932edd9e876 [2018-11-18 18:43:00,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:43:00,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:43:00,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:43:00,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:43:00,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:43:00,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:00" (1/1) ... [2018-11-18 18:43:00,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a19fc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:00, skipping insertion in model container [2018-11-18 18:43:00,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:00" (1/1) ... [2018-11-18 18:43:00,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:43:00,937 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:43:01,070 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:43:01,073 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:43:01,090 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:43:01,106 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:43:01,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01 WrapperNode [2018-11-18 18:43:01,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:43:01,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:43:01,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:43:01,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:43:01,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:43:01,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:43:01,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:43:01,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:43:01,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:43:01,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:43:01,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:43:01,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:43:01,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/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 [2018-11-18 18:43:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 18:43:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:43:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:43:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:43:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 18:43:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:43:01,486 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:43:01,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:01 BoogieIcfgContainer [2018-11-18 18:43:01,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:43:01,487 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:43:01,487 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:43:01,497 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:43:01,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:01" (1/1) ... [2018-11-18 18:43:01,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:43:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-11-18 18:43:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-11-18 18:43:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:43:01,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-18 18:43:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-18 18:43:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:43:01,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-18 18:43:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-18 18:43:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:43:01,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:43:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:43:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:43:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:43:01,956 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-18 18:43:01,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:43:01 ImpRootNode [2018-11-18 18:43:01,981 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:43:01,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:43:01,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:43:01,982 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:43:01,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:01" (3/4) ... [2018-11-18 18:43:01,984 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 18:43:02,021 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cdffc96c-36e9-49f4-ae45-19a37b0f0edd/bin-2019/ukojak/witness.graphml [2018-11-18 18:43:02,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:43:02,021 INFO L168 Benchmark]: Toolchain (without parser) took 1115.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,023 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. [2018-11-18 18:43:02,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.74 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 943.0 MB in the beginning and 1.2 GB in the end (delta: -233.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,024 INFO L168 Benchmark]: Boogie Preprocessor took 19.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,025 INFO L168 Benchmark]: RCFGBuilder took 290.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,025 INFO L168 Benchmark]: CodeCheck took 494.08 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,026 INFO L168 Benchmark]: Witness Printer took 39.42 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:02,029 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, 23 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 26 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L8] int SIZE; [L12] SIZE = __VERIFIER_nondet_int() [L13] COND TRUE SIZE > 1 [L15] int i; [L16] FCALL int a[SIZE]; VAL [SIZE=2] [L18] COND FALSE !(SIZE % 2 != 0) [L21] i = 1 VAL [SIZE=2] [L21] COND TRUE i <= SIZE/2 [L23] EXPR, FCALL a[2*i-2] [L23] COND FALSE !(a[2*i-2] > i) [L27] EXPR, FCALL a[2*i-1] [L27] COND TRUE a[2*i-1] > i [L29] FCALL a[2*i-1] = 2*i-1 [L21] i++ VAL [SIZE=2] [L21] COND FALSE !(i <= SIZE/2) VAL [SIZE=2] [L33] i = 0 VAL [SIZE=2] [L33] COND TRUE i < SIZE [L35] EXPR, FCALL a[i] [L35] CALL __VERIFIER_assert( a[i] <= i ) [L5] COND TRUE !(cond) VAL [SIZE=2] [L5] __VERIFIER_error() VAL [SIZE=2] * 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 198.74 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 69.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 943.0 MB in the beginning and 1.2 GB in the end (delta: -233.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 290.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * CodeCheck took 494.08 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.42 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...