./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/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_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/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 0.1.23-5842f4b [2018-11-18 18:03:24,075 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:03:24,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:03:24,085 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:03:24,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:03:24,086 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:03:24,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:03:24,088 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:03:24,089 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:03:24,090 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:03:24,091 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:03:24,091 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:03:24,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:03:24,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:03:24,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:03:24,094 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:03:24,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:03:24,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:03:24,098 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:03:24,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:03:24,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:03:24,101 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:03:24,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:03:24,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:03:24,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:03:24,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:03:24,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:03:24,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:03:24,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:03:24,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:03:24,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:03:24,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:03:24,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:03:24,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:03:24,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:03:24,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:03:24,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:03:24,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:03:24,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:03:24,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:03:24,121 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:03:24,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:03:24,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:03:24,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:03:24,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:03:24,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:03:24,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:03:24,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:03:24,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:03:24,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:03:24,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:03:24,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:03:24,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:03:24,125 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:03:24,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:03:24,125 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:03:24,125 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:03:24,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:03:24,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:03:24,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:03:24,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:03:24,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:03:24,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:03:24,126 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:03:24,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:03:24,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:03:24,127 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_3941d337-e67c-4c90-b04e-a6a793da3370/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 [2018-11-18 18:03:24,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:03:24,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:03:24,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:03:24,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:03:24,163 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:03:24,164 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2018-11-18 18:03:24,210 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/data/cf47fc88d/636fbadebc6e449aa9d8fc9c747132a7/FLAG9dd537cbd [2018-11-18 18:03:24,610 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:03:24,611 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/sv-benchmarks/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2018-11-18 18:03:24,614 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/data/cf47fc88d/636fbadebc6e449aa9d8fc9c747132a7/FLAG9dd537cbd [2018-11-18 18:03:24,623 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/data/cf47fc88d/636fbadebc6e449aa9d8fc9c747132a7 [2018-11-18 18:03:24,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:03:24,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:03:24,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:03:24,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:03:24,628 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:03:24,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55626f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24, skipping insertion in model container [2018-11-18 18:03:24,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:03:24,647 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:03:24,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:03:24,756 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:03:24,766 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:03:24,775 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:03:24,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24 WrapperNode [2018-11-18 18:03:24,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:03:24,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:03:24,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:03:24,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:03:24,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:03:24,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:03:24,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:03:24,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:03:24,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... [2018-11-18 18:03:24,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:03:24,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:03:24,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:03:24,807 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:03:24,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:03:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:03:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-11-18 18:03:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-11-18 18:03:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:03:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:03:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-18 18:03:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-18 18:03:25,037 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:03:25,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:03:25 BoogieIcfgContainer [2018-11-18 18:03:25,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:03:25,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:03:25,038 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:03:25,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:03:25,048 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:03:25" (1/1) ... [2018-11-18 18:03:25,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:03:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-11-18 18:03:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-11-18 18:03:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:03:25,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:03:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:03:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:03:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-18 18:03:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-18 18:03:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 18:03:25,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:03:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:03:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:03:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-11-18 18:03:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-11-18 18:03:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:03:25,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:03:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:03:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 18:03:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2018-11-18 18:03:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2018-11-18 18:03:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 18:03:26,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:03:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:03:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:03:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-11-18 18:03:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-11-18 18:03:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 18:03:27,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:03:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:03:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 18:03:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-11-18 18:03:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-11-18 18:03:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 18:03:27,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:03:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:03:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:03:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:03:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2018-11-18 18:03:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2018-11-18 18:03:28,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:03:28,621 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-18 18:03:28,627 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:03:28,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:03:28 ImpRootNode [2018-11-18 18:03:28,702 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:03:28,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:03:28,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:03:28,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:03:28,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:03:25" (3/4) ... [2018-11-18 18:03:28,705 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:03:28,709 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2018-11-18 18:03:28,709 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-11-18 18:03:28,712 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 18:03:28,712 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:03:28,712 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:03:28,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3941d337-e67c-4c90-b04e-a6a793da3370/bin-2019/ukojak/witness.graphml [2018-11-18 18:03:28,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:03:28,744 INFO L168 Benchmark]: Toolchain (without parser) took 4118.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -216.8 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:28,744 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 18:03:28,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:28,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 945.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:28,745 INFO L168 Benchmark]: Boogie Preprocessor took 10.94 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:03:28,745 INFO L168 Benchmark]: RCFGBuilder took 230.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:28,746 INFO L168 Benchmark]: CodeCheck took 3664.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -68.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:28,746 INFO L168 Benchmark]: Witness Printer took 40.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:28,748 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, 3.5s 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, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1014 GetRequests, 870 SyntacticMatches, 46 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3889 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 16952 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 0.16 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 149.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 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 19.09 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 945.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.94 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 230.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3664.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -68.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...