./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/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 f7c43460f02bb9f2348720ab45b0132bbccce529 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:12:09,883 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:12:09,884 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:12:09,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:12:09,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:12:09,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:12:09,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:12:09,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:12:09,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:12:09,894 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:12:09,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:12:09,895 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:12:09,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:12:09,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:12:09,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:12:09,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:12:09,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:12:09,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:12:09,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:12:09,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:12:09,901 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:12:09,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:12:09,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:12:09,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:12:09,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:12:09,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:12:09,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:12:09,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:12:09,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:12:09,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:12:09,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:12:09,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:12:09,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:12:09,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:12:09,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:12:09,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:12:09,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:12:09,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:12:09,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:12:09,917 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:12:09,917 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:12:09,918 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:12:09,918 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:12:09,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:12:09,918 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:12:09,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:12:09,918 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:12:09,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:12:09,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:12:09,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:12:09,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:12:09,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:12:09,919 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:12:09,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:12:09,919 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:12:09,920 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:12:09,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:12:09,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:12:09,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:12:09,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:12:09,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:12:09,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:12:09,921 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:12:09,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:12:09,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:12:09,921 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_4908c3bb-3197-495d-9ae0-172f13fc9b04/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 -> f7c43460f02bb9f2348720ab45b0132bbccce529 [2018-11-10 12:12:09,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:12:09,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:12:09,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:12:09,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:12:09,958 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:12:09,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c [2018-11-10 12:12:10,001 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/data/3f64cb586/d07fa66c9c0141d29ee086f2684508cc/FLAGdb47b67bc [2018-11-10 12:12:10,383 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:12:10,384 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c [2018-11-10 12:12:10,393 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/data/3f64cb586/d07fa66c9c0141d29ee086f2684508cc/FLAGdb47b67bc [2018-11-10 12:12:10,404 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/data/3f64cb586/d07fa66c9c0141d29ee086f2684508cc [2018-11-10 12:12:10,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:12:10,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:12:10,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:12:10,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:12:10,412 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:12:10,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1788b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10, skipping insertion in model container [2018-11-10 12:12:10,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:12:10,458 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:12:10,672 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:12:10,675 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:12:10,743 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:12:10,752 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:12:10,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10 WrapperNode [2018-11-10 12:12:10,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:12:10,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:12:10,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:12:10,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:12:10,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:12:10,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:12:10,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:12:10,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:12:10,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... [2018-11-10 12:12:10,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:12:10,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:12:10,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:12:10,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:12:10,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:12:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/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 [2018-11-10 12:12:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:12:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:12:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:14:24,639 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:14:24,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:14:24 BoogieIcfgContainer [2018-11-10 12:14:24,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:14:24,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:14:24,640 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:14:24,647 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:14:24,647 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:14:24" (1/1) ... [2018-11-10 12:14:24,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:14:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:14:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:14:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:14:24,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:14:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:14:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:14:24,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-10 12:14:25,481 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-10 12:14:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:14:25,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-10 12:14:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-10 12:14:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:14:26,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2018-11-10 12:14:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2018-11-10 12:14:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:14:26,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 12:14:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-11-10 12:14:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-11-10 12:14:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:14:38,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 12:14:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2018-11-10 12:14:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2018-11-10 12:14:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:14:39,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 12:14:39,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-11-10 12:14:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-11-10 12:14:39,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:14:39,799 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 12:14:39,805 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:14:39,977 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 12:14:39,984 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-11-10 12:14:39,984 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:14:39,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:14:39 ImpRootNode [2018-11-10 12:14:39,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:14:39,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:14:39,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:14:39,985 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:14:39,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:14:24" (3/4) ... [2018-11-10 12:14:39,988 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:14:40,003 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 12:14:40,004 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 12:14:40,004 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:14:40,005 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:14:40,090 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4908c3bb-3197-495d-9ae0-172f13fc9b04/bin-2019/ukojak/witness.graphml [2018-11-10 12:14:40,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:14:40,091 INFO L168 Benchmark]: Toolchain (without parser) took 149683.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 123.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,093 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:14:40,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,094 INFO L168 Benchmark]: Boogie Preprocessor took 46.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,094 INFO L168 Benchmark]: RCFGBuilder took 133728.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 41.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 352.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,094 INFO L168 Benchmark]: CodeCheck took 15344.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -76.7 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,094 INFO L168 Benchmark]: Witness Printer took 105.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:14:40,096 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, 207 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 928 SDtfs, 2256 SDslu, 2176 SDs, 0 SdLazy, 4476 SolverSat, 644 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 32.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1085 GetRequests, 928 SyntacticMatches, 57 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5027 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 23520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 45/130 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: 79]: 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: (((!(a19 == 7) && a12 == 0) && a4 == 14) || ((!(a10 == 3) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((38 < a1 || !(a19 == 7)) || a1 + 13 <= 0) && a12 == 0) && a4 == 14) || ((a12 == 0 && !(3 == a10)) && 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.3 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 111.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 133728.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 41.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 352.5 MB. Max. memory is 11.5 GB. * CodeCheck took 15344.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -76.7 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * Witness Printer took 105.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...