./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/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 ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:20:18,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:20:18,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:20:18,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:20:18,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:20:18,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:20:18,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:20:18,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:20:18,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:20:18,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:20:18,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:20:18,420 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:20:18,421 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:20:18,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:20:18,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:20:18,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:20:18,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:20:18,439 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:20:18,441 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:20:18,442 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:20:18,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:20:18,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:20:18,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:20:18,452 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:20:18,453 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:20:18,453 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:20:18,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:20:18,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:20:18,456 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:20:18,456 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:20:18,457 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:20:18,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:20:18,457 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:20:18,458 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:20:18,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:20:18,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:20:18,465 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:20:18,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:20:18,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:20:18,482 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:20:18,482 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:20:18,483 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:20:18,483 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:20:18,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:20:18,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:20:18,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:20:18,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:20:18,484 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:20:18,484 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:20:18,484 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:20:18,484 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:20:18,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:20:18,485 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:20:18,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:20:18,485 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:20:18,485 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:20:18,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:20:18,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:20:18,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:20:18,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:20:18,486 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:20:18,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:20:18,486 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:20:18,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:20:18,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:20:18,487 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_72ab12e4-2933-436e-913b-422033764b75/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 -> ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 [2018-10-26 22:20:18,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:20:18,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:20:18,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:20:18,561 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:20:18,562 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:20:18,563 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2018-10-26 22:20:18,621 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/data/a6bb14697/2a32741592294a5d97335bd0a8881c07/FLAG84003f2bf [2018-10-26 22:20:18,983 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:20:18,984 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/sv-benchmarks/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2018-10-26 22:20:18,990 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/data/a6bb14697/2a32741592294a5d97335bd0a8881c07/FLAG84003f2bf [2018-10-26 22:20:19,005 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/data/a6bb14697/2a32741592294a5d97335bd0a8881c07 [2018-10-26 22:20:19,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:20:19,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:20:19,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:19,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:20:19,018 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:20:19,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c166486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19, skipping insertion in model container [2018-10-26 22:20:19,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:20:19,046 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:20:19,202 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:19,205 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:20:19,220 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:19,234 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:20:19,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19 WrapperNode [2018-10-26 22:20:19,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:19,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:20:19,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:20:19,236 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:20:19,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:20:19,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:20:19,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:20:19,272 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:20:19,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... [2018-10-26 22:20:19,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:20:19,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:20:19,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:20:19,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:20:19,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:20:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-10-26 22:20:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-10-26 22:20:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:20:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:20:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-10-26 22:20:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-10-26 22:20:20,035 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:20:20,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:20 BoogieIcfgContainer [2018-10-26 22:20:20,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:20:20,036 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:20:20,037 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:20:20,052 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:20:20,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:20" (1/1) ... [2018-10-26 22:20:20,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-10-26 22:20:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-10-26 22:20:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 22:20:20,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:20:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-10-26 22:20:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-10-26 22:20:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:20:20,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:20:21,412 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:20:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-10-26 22:20:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-10-26 22:20:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 22:20:21,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:20:22,424 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 22:20:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2018-10-26 22:20:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2018-10-26 22:20:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:20:23,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:20:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-10-26 22:20:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-10-26 22:20:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 22:20:24,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:20:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-10-26 22:20:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-10-26 22:20:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:20:25,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:20:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2018-10-26 22:20:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2018-10-26 22:20:26,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:20:26,748 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-10-26 22:20:26,758 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:20:26,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:20:26 ImpRootNode [2018-10-26 22:20:26,865 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:20:26,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:20:26,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:20:26,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:20:26,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:20" (3/4) ... [2018-10-26 22:20:26,870 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:20:26,876 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2018-10-26 22:20:26,876 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-10-26 22:20:26,881 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 22:20:26,881 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:20:26,882 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:20:26,929 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72ab12e4-2933-436e-913b-422033764b75/bin-2019/ukojak/witness.graphml [2018-10-26 22:20:26,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:20:26,930 INFO L168 Benchmark]: Toolchain (without parser) took 7918.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:26,931 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:26,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.60 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:26,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.70 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:26,933 INFO L168 Benchmark]: Boogie Preprocessor took 19.79 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:26,938 INFO L168 Benchmark]: RCFGBuilder took 744.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:26,939 INFO L168 Benchmark]: CodeCheck took 6828.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:26,939 INFO L168 Benchmark]: Witness Printer took 63.85 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: 843.8 kB). Peak memory consumption was 843.8 kB. Max. memory is 11.5 GB. [2018-10-26 22:20:26,943 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 3 procedures, 24 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 800 SDtfs, 304 SDslu, 480 SDs, 0 SdLazy, 1916 SolverSat, 932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1015 GetRequests, 867 SyntacticMatches, 46 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4178 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 16736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 38/66 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: 25]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.60 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 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 35.70 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.79 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 744.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 6828.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.85 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: 843.8 kB). Peak memory consumption was 843.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...