./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/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 d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 03:43:54,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 03:43:54,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 03:43:54,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 03:43:54,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 03:43:54,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 03:43:54,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 03:43:54,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 03:43:54,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 03:43:54,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 03:43:54,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 03:43:54,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 03:43:54,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 03:43:54,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 03:43:54,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 03:43:54,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 03:43:54,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 03:43:54,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 03:43:54,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 03:43:54,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 03:43:54,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 03:43:54,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 03:43:54,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 03:43:54,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 03:43:54,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 03:43:54,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 03:43:54,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 03:43:54,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 03:43:54,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 03:43:54,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 03:43:54,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 03:43:54,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 03:43:54,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 03:43:54,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 03:43:54,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 03:43:54,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 03:43:54,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 03:43:54,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 03:43:54,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 03:43:54,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 03:43:54,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 03:43:54,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 03:43:54,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 03:43:54,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 03:43:54,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 03:43:54,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 03:43:54,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 03:43:54,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 03:43:54,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 03:43:54,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 03:43:54,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 03:43:54,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 03:43:54,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 03:43:54,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 03:43:54,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 03:43:54,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 03:43:54,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 03:43:54,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 03:43:54,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 03:43:54,786 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 03:43:54,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 03:43:54,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 03:43:54,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/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 -> d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd [2019-12-02 03:43:54,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 03:43:54,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 03:43:54,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 03:43:54,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 03:43:54,908 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 03:43:54,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2019-12-02 03:43:54,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/data/17351c063/c9b38e13904f42bb8a06da0cd154151e/FLAGaf8389897 [2019-12-02 03:43:55,369 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 03:43:55,370 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2019-12-02 03:43:55,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/data/17351c063/c9b38e13904f42bb8a06da0cd154151e/FLAGaf8389897 [2019-12-02 03:43:55,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/data/17351c063/c9b38e13904f42bb8a06da0cd154151e [2019-12-02 03:43:55,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 03:43:55,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 03:43:55,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 03:43:55,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 03:43:55,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 03:43:55,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605e252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55, skipping insertion in model container [2019-12-02 03:43:55,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 03:43:55,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 03:43:55,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:43:55,511 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 03:43:55,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:43:55,571 INFO L208 MainTranslator]: Completed translation [2019-12-02 03:43:55,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55 WrapperNode [2019-12-02 03:43:55,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 03:43:55,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 03:43:55,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 03:43:55,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 03:43:55,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 03:43:55,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 03:43:55,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 03:43:55,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 03:43:55,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 03:43:55,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 03:43:55,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 03:43:55,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 03:43:55,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:43:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/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 [2019-12-02 03:43:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 03:43:55,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 03:43:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-12-02 03:43:55,654 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-12-02 03:43:55,753 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 03:43:55,753 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-02 03:43:55,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:43:55 BoogieIcfgContainer [2019-12-02 03:43:55,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 03:43:55,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 03:43:55,754 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 03:43:55,761 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 03:43:55,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:43:55" (1/1) ... [2019-12-02 03:43:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 03:43:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-12-02 03:43:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-12-02 03:43:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 03:43:55,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:43:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2019-12-02 03:43:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-12-02 03:43:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 03:43:55,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:43:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2019-12-02 03:43:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-12-02 03:43:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 03:43:56,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 03:43:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2019-12-02 03:43:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-12-02 03:43:56,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 03:43:56,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 03:43:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2019-12-02 03:43:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2019-12-02 03:43:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 03:43:56,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 03:43:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2019-12-02 03:43:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2019-12-02 03:43:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 03:43:56,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-02 03:43:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2019-12-02 03:43:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2019-12-02 03:43:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 03:43:56,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-12-02 03:43:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2019-12-02 03:43:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2019-12-02 03:43:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 03:43:56,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-12-02 03:43:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2019-12-02 03:43:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2019-12-02 03:43:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-02 03:43:56,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-02 03:43:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2019-12-02 03:43:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2019-12-02 03:43:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 03:43:57,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-12-02 03:43:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:43:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 43 states and 99 transitions. [2019-12-02 03:43:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2019-12-02 03:43:57,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 03:43:57,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:43:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:43:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-12-02 03:44:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:44:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 77 states and 244 transitions. [2019-12-02 03:44:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 244 transitions. [2019-12-02 03:44:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-02 03:44:03,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:44:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:44:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-12-02 03:44:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:44:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 44 states and 46 transitions. [2019-12-02 03:44:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2019-12-02 03:44:05,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 03:44:05,439 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-12-02 03:44:05,445 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 03:44:05,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:44:05 ImpRootNode [2019-12-02 03:44:05,633 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 03:44:05,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 03:44:05,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 03:44:05,633 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 03:44:05,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:43:55" (3/4) ... [2019-12-02 03:44:05,637 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 03:44:05,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-12-02 03:44:05,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 03:44:05,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 03:44:05,673 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4e628e8-001c-449d-a9de-020be0cc6be6/bin/ukojak/witness.graphml [2019-12-02 03:44:05,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 03:44:05,674 INFO L168 Benchmark]: Toolchain (without parser) took 10288.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -92.5 MB). Peak memory consumption was 144.0 MB. Max. memory is 11.5 GB. [2019-12-02 03:44:05,675 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:44:05,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-02 03:44:05,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:44:05,676 INFO L168 Benchmark]: Boogie Preprocessor took 10.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:44:05,677 INFO L168 Benchmark]: RCFGBuilder took 148.93 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-02 03:44:05,677 INFO L168 Benchmark]: CodeCheck took 9878.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.1 MB). Peak memory consumption was 175.9 MB. Max. memory is 11.5 GB. [2019-12-02 03:44:05,678 INFO L168 Benchmark]: Witness Printer took 39.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-12-02 03:44:05,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28680 SDtfs, 26692 SDslu, 43136 SDs, 0 SdLazy, 125832 SolverSat, 25648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6846 GetRequests, 6374 SyntacticMatches, 272 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15264 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 71424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 979/1584 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 148.93 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * CodeCheck took 9878.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.1 MB). Peak memory consumption was 175.9 MB. Max. memory is 11.5 GB. * Witness Printer took 39.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...