./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/diamond_true-unreach-call2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/diamond_true-unreach-call2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/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 3de88212c8693b9f87e164f2a8585947c848ea21 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:13:24,391 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:13:24,392 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:13:24,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:13:24,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:13:24,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:13:24,401 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:13:24,402 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:13:24,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:13:24,404 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:13:24,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:13:24,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:13:24,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:13:24,406 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:13:24,407 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:13:24,407 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:13:24,408 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:13:24,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:13:24,410 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:13:24,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:13:24,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:13:24,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:13:24,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:13:24,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:13:24,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:13:24,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:13:24,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:13:24,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:13:24,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:13:24,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:13:24,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:13:24,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:13:24,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:13:24,419 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:13:24,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:13:24,420 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:13:24,421 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 02:13:24,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:13:24,431 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:13:24,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:13:24,432 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:13:24,432 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:13:24,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:13:24,433 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:13:24,433 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:13:24,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:13:24,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:13:24,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:13:24,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:13:24,434 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:13:24,434 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:13:24,434 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:13:24,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:13:24,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:13:24,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:13:24,434 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:13:24,435 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:13:24,435 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:13:24,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:13:24,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:13:24,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:13:24,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:13:24,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:13:24,436 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:13:24,436 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:13:24,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:13:24,436 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_1e44127e-f394-4e71-83f1-391482191bbe/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 -> 3de88212c8693b9f87e164f2a8585947c848ea21 [2018-11-23 02:13:24,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:13:24,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:13:24,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:13:24,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:13:24,472 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:13:24,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/../../sv-benchmarks/c/loop-acceleration/diamond_true-unreach-call2.i [2018-11-23 02:13:24,509 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/data/8ca4b804d/9a4b270e89484e7bbcd16cb27a0c3bbc/FLAG102639918 [2018-11-23 02:13:24,902 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:13:24,903 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/sv-benchmarks/c/loop-acceleration/diamond_true-unreach-call2.i [2018-11-23 02:13:24,907 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/data/8ca4b804d/9a4b270e89484e7bbcd16cb27a0c3bbc/FLAG102639918 [2018-11-23 02:13:24,916 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/data/8ca4b804d/9a4b270e89484e7bbcd16cb27a0c3bbc [2018-11-23 02:13:24,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:13:24,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:13:24,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:13:24,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:13:24,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:13:24,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:24" (1/1) ... [2018-11-23 02:13:24,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9255568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:24, skipping insertion in model container [2018-11-23 02:13:24,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:24" (1/1) ... [2018-11-23 02:13:24,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:13:24,945 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:13:25,054 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:13:25,057 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:13:25,069 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:13:25,077 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:13:25,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25 WrapperNode [2018-11-23 02:13:25,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:13:25,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:13:25,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:13:25,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:13:25,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:13:25,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:13:25,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:13:25,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:13:25,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:13:25,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:13:25,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:13:25,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:13:25,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/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 [2018-11-23 02:13:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:13:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:13:25,563 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:13:25,563 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 02:13:25,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:25 BoogieIcfgContainer [2018-11-23 02:13:25,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:13:25,564 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:13:25,564 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:13:25,574 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:13:25,574 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:25" (1/1) ... [2018-11-23 02:13:25,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:13:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:13:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 02:13:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 02:13:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 02:13:25,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:13:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:13:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:13:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:13:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-23 02:13:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-23 02:13:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 02:13:25,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:13:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:36,365 WARN L180 SmtUtils]: Spent 2.17 m on a formula simplification. DAG size of input: 224 DAG size of output: 24 [2018-11-23 02:15:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:15:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:15:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-11-23 02:15:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-11-23 02:15:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 02:15:36,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:15:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:16:06,780 WARN L180 SmtUtils]: Spent 30.11 s on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2018-11-23 02:16:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:16:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:16:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-11-23 02:16:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-11-23 02:16:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 02:16:07,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:16:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:16:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:16:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:16:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-11-23 02:16:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-11-23 02:16:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 02:16:07,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:16:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:16:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:16:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:16:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-11-23 02:16:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-11-23 02:16:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 02:16:08,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:16:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:16:49,031 WARN L180 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-11-23 02:19:49,684 WARN L180 SmtUtils]: Spent 2.01 m on a formula simplification. DAG size of input: 121 DAG size of output: 27 [2018-11-23 02:19:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:19:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:19:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2018-11-23 02:19:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2018-11-23 02:19:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:19:49,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:19:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:20:00,252 WARN L180 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 38 DAG size of output: 19 [2018-11-23 02:20:00,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:20:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:20:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-23 02:20:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-23 02:20:00,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:20:00,640 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 02:20:00,646 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 02:20:00,710 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:20:00,712 INFO L579 CodeCheckObserver]: Invariant with dag size 61 [2018-11-23 02:20:00,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:20:00 ImpRootNode [2018-11-23 02:20:00,722 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:20:00,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:20:00,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:20:00,722 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:20:00,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:25" (3/4) ... [2018-11-23 02:20:00,727 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:20:00,735 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 02:20:00,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 02:20:00,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:20:00,772 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e44127e-f394-4e71-83f1-391482191bbe/bin-2019/ukojak/witness.graphml [2018-11-23 02:20:00,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:20:00,773 INFO L168 Benchmark]: Toolchain (without parser) took 395854.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 958.5 MB in the beginning and 810.0 MB in the end (delta: 148.5 MB). Peak memory consumption was 295.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,773 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:20:00,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.09 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.99 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,774 INFO L168 Benchmark]: Boogie Preprocessor took 50.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,775 INFO L168 Benchmark]: RCFGBuilder took 412.36 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,775 INFO L168 Benchmark]: CodeCheck took 395157.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -5.2 MB). Free memory was 1.1 GB in the beginning and 814.4 MB in the end (delta: 293.6 MB). Peak memory consumption was 288.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,776 INFO L168 Benchmark]: Witness Printer took 50.06 ms. Allocated memory is still 1.2 GB. Free memory was 814.4 MB in the beginning and 810.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:20:00,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 395.0s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 2232 SolverSat, 1172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 386 SyntacticMatches, 21 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 393.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 392.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 6066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/56 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (((((x <= 0 && 0 <= x) || ((2 * (y / 2) + x + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) <= y + 80 && 80 <= x) && 2 * (y / 2) + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) == y)) || ((((!(2 * (y / 2) + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) == y) && 0 <= x + 5) && x / 4294967296 + 1 <= 0) || (x <= 20 && 20 <= x)) && 2 * (x / 2) + y + 4294967296 * ((x + -2 * (x / 2)) / 4294967296) <= 2 * (y / 2) + x + 4294967296 * ((y + -2 * (y / 2)) / 4294967296))) || (((x / 4294967296 <= 0 && 2 * (y / 2) + x + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) < 2 * (x / 2) + y + 4294967296 * ((x + -2 * (x / 2)) / 4294967296) + 1) && 100 <= x) && 2 * (y / 2) + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) == y)) || ((40 <= x && x <= 40) && 2 * (y / 2) + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) == y)) || ((x <= 60 && 60 <= x) && 2 * (y / 2) + 4294967296 * ((y + -2 * (y / 2)) / 4294967296) == y) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.09 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 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 21.99 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 412.36 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * CodeCheck took 395157.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -5.2 MB). Free memory was 1.1 GB in the beginning and 814.4 MB in the end (delta: 293.6 MB). Peak memory consumption was 288.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.06 ms. Allocated memory is still 1.2 GB. Free memory was 814.4 MB in the beginning and 810.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...