./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/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 0fc1a5d7bced8b0772de8cf3eb4e884f73b18851 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:38:21,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:38:21,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:38:21,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:38:21,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:38:21,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:38:21,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:38:21,016 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:38:21,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:38:21,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:38:21,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:38:21,019 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:38:21,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:38:21,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:38:21,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:38:21,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:38:21,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:38:21,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:38:21,025 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:38:21,027 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:38:21,028 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:38:21,028 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:38:21,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:38:21,030 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:38:21,030 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:38:21,031 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:38:21,032 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:38:21,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:38:21,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:38:21,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:38:21,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:38:21,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:38:21,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:38:21,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:38:21,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:38:21,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:38:21,036 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:38:21,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:38:21,045 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:38:21,046 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:38:21,046 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:38:21,047 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:38:21,047 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:38:21,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:38:21,047 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:38:21,047 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:38:21,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:38:21,048 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:38:21,048 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:38:21,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:38:21,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:38:21,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:38:21,049 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_2099fa22-c9d1-42ca-a383-24f1b0e46aac/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 -> 0fc1a5d7bced8b0772de8cf3eb4e884f73b18851 [2018-11-23 00:38:21,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:38:21,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:38:21,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:38:21,087 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:38:21,087 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:38:21,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c [2018-11-23 00:38:21,124 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/data/39fb19487/caa2a6f252264663bc8419314e283c46/FLAG971694678 [2018-11-23 00:38:21,591 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:38:21,592 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c [2018-11-23 00:38:21,601 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/data/39fb19487/caa2a6f252264663bc8419314e283c46/FLAG971694678 [2018-11-23 00:38:22,105 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/data/39fb19487/caa2a6f252264663bc8419314e283c46 [2018-11-23 00:38:22,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:38:22,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:38:22,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:22,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:38:22,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:38:22,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495e8f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22, skipping insertion in model container [2018-11-23 00:38:22,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:38:22,155 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:38:22,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:22,396 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:38:22,464 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:22,474 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:38:22,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22 WrapperNode [2018-11-23 00:38:22,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:22,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:22,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:38:22,475 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:38:22,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:22,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:38:22,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:38:22,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:38:22,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... [2018-11-23 00:38:22,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:38:22,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:38:22,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:38:22,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:38:22,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:38:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:38:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:38:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:39:16,334 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:39:16,334 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:39:16,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:16 BoogieIcfgContainer [2018-11-23 00:39:16,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:39:16,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:39:16,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:39:16,342 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:39:16,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:16" (1/1) ... [2018-11-23 00:39:16,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:39:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 00:39:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 00:39:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 00:39:16,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 00:39:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 00:39:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:39:16,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-23 00:39:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-23 00:39:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:39:17,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2018-11-23 00:39:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2018-11-23 00:39:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:39:18,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2018-11-23 00:39:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2018-11-23 00:39:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:39:18,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:20,595 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2018-11-23 00:39:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2018-11-23 00:39:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2018-11-23 00:39:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:39:21,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2018-11-23 00:39:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2018-11-23 00:39:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:39:22,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:39:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:39:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:39:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:39:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2018-11-23 00:39:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2018-11-23 00:39:23,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:39:23,613 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 00:39:23,619 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:39:23,972 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2018-11-23 00:39:24,054 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-23 00:39:24,063 INFO L579 CodeCheckObserver]: Invariant with dag size 47 [2018-11-23 00:39:24,064 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:39:24,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:39:24 ImpRootNode [2018-11-23 00:39:24,065 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:39:24,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:39:24,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:39:24,065 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:39:24,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:16" (3/4) ... [2018-11-23 00:39:24,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:39:24,085 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 00:39:24,085 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 00:39:24,086 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 00:39:24,086 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:39:24,179 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2099fa22-c9d1-42ca-a383-24f1b0e46aac/bin-2019/ukojak/witness.graphml [2018-11-23 00:39:24,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:39:24,179 INFO L168 Benchmark]: Toolchain (without parser) took 62071.95 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 655.4 MB). Free memory was 953.1 MB in the beginning and 1.3 GB in the end (delta: -374.2 MB). Peak memory consumption was 281.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,180 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:39:24,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.49 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 918.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -235.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,180 INFO L168 Benchmark]: Boogie Preprocessor took 53.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,181 INFO L168 Benchmark]: RCFGBuilder took 53697.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -142.1 MB). Peak memory consumption was 510.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,181 INFO L168 Benchmark]: CodeCheck took 7729.87 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 289.9 MB). Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -55.2 MB). Peak memory consumption was 234.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,181 INFO L168 Benchmark]: Witness Printer took 113.54 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:39:24,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 206 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 716 SDtfs, 1598 SDslu, 920 SDs, 0 SdLazy, 4676 SolverSat, 710 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 900 GetRequests, 693 SyntacticMatches, 109 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9600 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 33228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/86 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: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(a10 == 0) && (a10 == 3 || (a12 == 0 && a4 == 14))) || 9 <= a19) || ((!(a19 == 8) || 0 <= a1 + 12) && (a10 == 3 || (a12 == 0 && a4 == 14))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a10 == 3 || ((a12 == 0 && a4 == 14) && ((!(a19 == 8) || 0 < a1 + 13) || !(a10 == 0)))) && !(9 <= a19)) || (!(((((23 <= a1 && a1 <= 38) && a19 == 9) && a10 == 0) && a12 == 0) && a4 == 14) && 9 <= a19)) || (a19 == 9 && ((((2 == input || 4 == input) || 3 == input) || 6 == input) || 5 == input)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.49 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 918.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -235.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 53697.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -142.1 MB). Peak memory consumption was 510.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7729.87 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 289.9 MB). Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -55.2 MB). Peak memory consumption was 234.8 MB. Max. memory is 11.5 GB. * Witness Printer took 113.54 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...