./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/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 b4fbc36a28ccee76a98a185e0c5cc58738af3c30 ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:24:04,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:24:04,382 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:24:04,388 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:24:04,388 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:24:04,389 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:24:04,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:24:04,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:24:04,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:24:04,391 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:24:04,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:24:04,392 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:24:04,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:24:04,393 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:24:04,393 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:24:04,394 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:24:04,394 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:24:04,395 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:24:04,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:24:04,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:24:04,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:24:04,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:24:04,398 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:24:04,399 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:24:04,399 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:24:04,399 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:24:04,400 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:24:04,400 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:24:04,400 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:24:04,401 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:24:04,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:24:04,401 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:24:04,402 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:24:04,402 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:24:04,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:24:04,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:24:04,403 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 05:24:04,410 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:24:04,410 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:24:04,410 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:24:04,410 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 05:24:04,411 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:24:04,411 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:24:04,411 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:24:04,412 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 05:24:04,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:24:04,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 05:24:04,412 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:24:04,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:24:04,413 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_3f8d0872-3153-469d-ac74-1e5dc81ed917/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 -> b4fbc36a28ccee76a98a185e0c5cc58738af3c30 [2018-12-09 05:24:04,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:24:04,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:24:04,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:24:04,443 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:24:04,443 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:24:04,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-12-09 05:24:04,483 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/data/f1172a618/06fb2d0eaf5443edae66af8f410a139a/FLAG1c989c73a [2018-12-09 05:24:04,897 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:24:04,898 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-12-09 05:24:04,901 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/data/f1172a618/06fb2d0eaf5443edae66af8f410a139a/FLAG1c989c73a [2018-12-09 05:24:04,909 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/data/f1172a618/06fb2d0eaf5443edae66af8f410a139a [2018-12-09 05:24:04,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:24:04,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:24:04,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:24:04,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:24:04,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:24:04,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:04" (1/1) ... [2018-12-09 05:24:04,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:04, skipping insertion in model container [2018-12-09 05:24:04,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:04" (1/1) ... [2018-12-09 05:24:04,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:24:04,932 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:24:05,021 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:24:05,023 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:24:05,034 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:24:05,045 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:24:05,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05 WrapperNode [2018-12-09 05:24:05,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:24:05,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:24:05,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:24:05,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:24:05,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:24:05,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:24:05,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:24:05,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:24:05,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:24:05,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:24:05,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:24:05,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:24:05,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/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 [2018-12-09 05:24:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 05:24:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:24:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:24:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:24:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 05:24:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:24:05,248 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:24:05,248 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 05:24:05,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:05 BoogieIcfgContainer [2018-12-09 05:24:05,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:24:05,249 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 05:24:05,249 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 05:24:05,257 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 05:24:05,257 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:05" (1/1) ... [2018-12-09 05:24:05,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:24:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-12-09 05:24:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-12-09 05:24:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 05:24:05,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-09 05:24:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-09 05:24:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 05:24:05,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-12-09 05:24:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-12-09 05:24:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 05:24:05,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-09 05:24:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-09 05:24:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 05:24:05,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2018-12-09 05:24:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2018-12-09 05:24:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 05:24:06,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2018-12-09 05:24:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2018-12-09 05:24:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 05:24:07,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-09 05:24:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-09 05:24:09,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:24:09,514 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-09 05:24:09,520 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 05:24:09,611 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 05:24:09,613 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-09 05:24:09,617 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,617 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,618 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,623 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:24:09 ImpRootNode [2018-12-09 05:24:09,624 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 05:24:09,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:24:09,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:24:09,625 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:24:09,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:05" (3/4) ... [2018-12-09 05:24:09,628 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:24:09,635 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 05:24:09,635 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 05:24:09,635 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 05:24:09,664 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f8d0872-3153-469d-ac74-1e5dc81ed917/bin-2019/ukojak/witness.graphml [2018-12-09 05:24:09,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:24:09,665 INFO L168 Benchmark]: Toolchain (without parser) took 4753.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:09,666 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 974.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:24:09,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 937.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:09,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.42 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:24:09,666 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:09,667 INFO L168 Benchmark]: RCFGBuilder took 142.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:09,667 INFO L168 Benchmark]: CodeCheck took 4374.75 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.2 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:09,667 INFO L168 Benchmark]: Witness Printer took 39.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:09,670 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, 13 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 416 SDtfs, 242 SDslu, 128 SDs, 0 SdLazy, 1516 SolverSat, 450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 470 SyntacticMatches, 21 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3457 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 10271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/40 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: 3]: 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: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2018-12-09 05:24:09,671 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,671 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,671 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,672 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,672 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 05:24:09,672 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && i <= pos) && 1 < i) || ((((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && !(a + 4 * pos == 0)) && 0 <= pos) && i <= 1)) || (((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && 0 <= pos) && i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 974.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 937.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.42 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 142.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 4374.75 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.2 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...