./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_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_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/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 c02679de872b8968623da7b5a7e12653047a8c34 .................................................................................................................................................................................................................................................................... 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 03:20:06,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:20:06,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:20:06,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:20:06,856 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:20:06,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:20:06,857 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:20:06,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:20:06,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:20:06,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:20:06,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:20:06,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:20:06,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:20:06,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:20:06,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:20:06,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:20:06,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:20:06,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:20:06,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:20:06,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:20:06,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:20:06,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:20:06,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:20:06,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:20:06,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:20:06,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:20:06,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:20:06,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:20:06,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:20:06,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:20:06,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:20:06,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:20:06,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:20:06,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:20:06,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:20:06,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:20:06,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:20:06,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:20:06,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:20:06,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:20:06,888 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:20:06,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:20:06,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:20:06,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:20:06,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:20:06,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:20:06,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:20:06,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:20:06,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:20:06,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:20:06,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:20:06,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:20:06,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:20:06,890 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:20:06,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:20:06,890 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:20:06,890 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:20:06,891 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:20:06,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:20:06,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:20:06,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:20:06,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:20:06,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:20:06,892 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:20:06,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:20:06,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:20:06,892 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_d1feef98-33db-4550-9af7-91d8b892ade4/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 -> c02679de872b8968623da7b5a7e12653047a8c34 [2018-11-23 03:20:06,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:20:06,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:20:06,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:20:06,928 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:20:06,928 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:20:06,929 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-23 03:20:06,973 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/data/0be03e4b9/2cd30efe1e7041749e5fef9fec1adfc5/FLAG14c1d2a9b [2018-11-23 03:20:07,352 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:20:07,353 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-23 03:20:07,362 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/data/0be03e4b9/2cd30efe1e7041749e5fef9fec1adfc5/FLAG14c1d2a9b [2018-11-23 03:20:07,734 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/data/0be03e4b9/2cd30efe1e7041749e5fef9fec1adfc5 [2018-11-23 03:20:07,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:20:07,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:20:07,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:20:07,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:20:07,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:20:07,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:07" (1/1) ... [2018-11-23 03:20:07,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b01f361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:07, skipping insertion in model container [2018-11-23 03:20:07,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:07" (1/1) ... [2018-11-23 03:20:07,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:20:07,784 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:20:08,017 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:20:08,021 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:20:08,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:20:08,106 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:20:08,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08 WrapperNode [2018-11-23 03:20:08,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:20:08,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:20:08,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:20:08,108 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:20:08,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:20:08,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:20:08,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:20:08,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:20:08,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... [2018-11-23 03:20:08,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:20:08,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:20:08,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:20:08,278 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:20:08,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/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 03:20:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:20:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:20:08,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:21:08,375 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:21:08,375 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:21:08,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:08 BoogieIcfgContainer [2018-11-23 03:21:08,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:21:08,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:21:08,376 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:21:08,383 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:21:08,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:08" (1/1) ... [2018-11-23 03:21:08,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:21:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 03:21:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 03:21:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 03:21:08,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:08,627 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 03:21:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 03:21:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 03:21:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 03:21:08,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:09,065 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 03:21:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-11-23 03:21:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-11-23 03:21:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:21:09,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:09,608 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 03:21:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-11-23 03:21:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-11-23 03:21:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:21:10,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:10,166 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 03:21:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2018-11-23 03:21:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2018-11-23 03:21:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:21:10,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:10,407 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 03:21:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-11-23 03:21:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-11-23 03:21:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 03:21:10,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:21:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2018-11-23 03:21:11,949 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2018-11-23 03:21:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 03:21:11,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:21:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2018-11-23 03:21:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2018-11-23 03:21:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 03:21:12,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 03:21:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2018-11-23 03:21:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2018-11-23 03:21:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 03:21:13,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:21:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:21:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 03:21:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:21:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-11-23 03:21:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-11-23 03:21:14,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:21:14,367 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-23 03:21:14,373 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 03:21:14,600 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 03:21:14,608 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 03:21:14,609 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:21:14,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:21:14 ImpRootNode [2018-11-23 03:21:14,610 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:21:14,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:21:14,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:21:14,610 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:21:14,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:08" (3/4) ... [2018-11-23 03:21:14,614 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:21:14,628 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-23 03:21:14,629 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 03:21:14,630 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:21:14,631 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:21:14,731 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d1feef98-33db-4550-9af7-91d8b892ade4/bin-2019/ukojak/witness.graphml [2018-11-23 03:21:14,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:21:14,732 INFO L168 Benchmark]: Toolchain (without parser) took 66995.57 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 572.0 MB). Free memory was 951.1 MB in the beginning and 1.5 GB in the end (delta: -537.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,734 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:21:14,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.45 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,734 INFO L168 Benchmark]: Boogie Preprocessor took 50.92 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,735 INFO L168 Benchmark]: RCFGBuilder took 60097.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 791.3 MB in the end (delta: 313.3 MB). Peak memory consumption was 493.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,735 INFO L168 Benchmark]: CodeCheck took 6233.88 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 270.0 MB). Free memory was 791.3 MB in the beginning and 1.5 GB in the end (delta: -711.1 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,735 INFO L168 Benchmark]: Witness Printer took 121.73 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:21:14,737 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, 5.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3080 SDtfs, 6160 SDslu, 4112 SDs, 0 SdLazy, 18296 SolverSat, 2360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1324 GetRequests, 1138 SyntacticMatches, 66 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7215 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 20412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 48/147 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: 169]: 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: ((((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 3))) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a1 <= 38 || !(a10 == 3)) || 218 < a1) || !(a19 == 6)) && a12 == 0) && a4 == 14 - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.45 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.92 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 60097.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 791.3 MB in the end (delta: 313.3 MB). Peak memory consumption was 493.1 MB. Max. memory is 11.5 GB. * CodeCheck took 6233.88 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 270.0 MB). Free memory was 791.3 MB in the beginning and 1.5 GB in the end (delta: -711.1 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. * Witness Printer took 121.73 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...