./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03_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_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/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 ed79a69112fb3d1d928a586c813100a391292fcd ............................................................................................................................................................................................................................................................................ 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 06:11:56,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:11:56,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:11:56,923 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:11:56,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:11:56,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:11:56,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:11:56,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:11:56,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:11:56,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:11:56,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:11:56,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:11:56,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:11:56,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:11:56,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:11:56,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:11:56,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:11:56,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:11:56,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:11:56,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:11:56,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:11:56,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:11:56,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:11:56,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:11:56,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:11:56,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:11:56,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:11:56,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:11:56,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:11:56,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:11:56,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:11:56,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:11:56,941 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:11:56,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:11:56,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:11:56,942 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:11:56,942 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:11:56,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:11:56,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:11:56,950 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:11:56,950 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:11:56,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:11:56,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:11:56,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:11:56,951 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:11:56,951 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:11:56,952 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:11:56,953 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:11:56,953 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:11:56,953 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:11:56,953 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:11:56,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:11:56,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:11:56,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:11:56,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:11:56,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:11:56,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:11:56,954 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:11:56,954 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:11:56,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:11:56,954 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_669de994-b4b5-4184-b758-1e976e011cc4/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 -> ed79a69112fb3d1d928a586c813100a391292fcd [2018-11-23 06:11:56,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:11:56,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:11:56,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:11:56,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:11:56,991 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:11:56,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-23 06:11:57,032 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/data/509c89ead/bfc283c5e6834fbc8da382fb845c7082/FLAGd766708d1 [2018-11-23 06:11:57,390 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:11:57,391 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-23 06:11:57,400 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/data/509c89ead/bfc283c5e6834fbc8da382fb845c7082/FLAGd766708d1 [2018-11-23 06:11:57,412 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/data/509c89ead/bfc283c5e6834fbc8da382fb845c7082 [2018-11-23 06:11:57,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:11:57,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:11:57,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:11:57,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:11:57,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:11:57,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c524564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57, skipping insertion in model container [2018-11-23 06:11:57,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:11:57,469 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:11:57,721 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:11:57,723 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:11:57,793 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:11:57,806 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:11:57,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57 WrapperNode [2018-11-23 06:11:57,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:11:57,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:11:57,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:11:57,807 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:11:57,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:11:57,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:11:57,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:11:57,929 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:11:57,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... [2018-11-23 06:11:57,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:11:57,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:11:57,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:11:57,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:11:57,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:11:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/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 06:11:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:11:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:11:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:13:03,452 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:13:03,452 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:13:03,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:03 BoogieIcfgContainer [2018-11-23 06:13:03,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:13:03,453 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:13:03,453 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:13:03,461 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:13:03,461 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:03" (1/1) ... [2018-11-23 06:13:03,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:13:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 06:13:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 06:13:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:13:03,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:03,632 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 06:13:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 06:13:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 06:13:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:13:03,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:04,023 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 06:13:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-11-23 06:13:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-11-23 06:13:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:13:04,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:04,562 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 06:13:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2018-11-23 06:13:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2018-11-23 06:13:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:13:04,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:05,081 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 06:13:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-11-23 06:13:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-11-23 06:13:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:13:05,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 06:13:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2018-11-23 06:13:07,467 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2018-11-23 06:13:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:13:07,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 06:13:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2018-11-23 06:13:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2018-11-23 06:13:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:13:08,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:08,913 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 06:13:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-11-23 06:13:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-11-23 06:13:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:13:09,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:10,013 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 06:13:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2018-11-23 06:13:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2018-11-23 06:13:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 06:13:10,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 06:13:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2018-11-23 06:13:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2018-11-23 06:13:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 06:13:11,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:13:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 06:13:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:13:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2018-11-23 06:13:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2018-11-23 06:13:12,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:13:12,286 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-23 06:13:12,292 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:13:12,445 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-23 06:13:12,452 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:13:12,453 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 06:13:12,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:13:12 ImpRootNode [2018-11-23 06:13:12,454 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:13:12,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:13:12,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:13:12,454 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:13:12,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:03" (3/4) ... [2018-11-23 06:13:12,459 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:13:12,473 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 06:13:12,474 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 06:13:12,475 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:13:12,476 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:13:12,570 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_669de994-b4b5-4184-b758-1e976e011cc4/bin-2019/ukojak/witness.graphml [2018-11-23 06:13:12,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:13:12,571 INFO L168 Benchmark]: Toolchain (without parser) took 75155.73 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 544.2 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -291.8 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:12,572 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:13:12,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 924.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:12,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:12,573 INFO L168 Benchmark]: Boogie Preprocessor took 53.60 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. [2018-11-23 06:13:12,573 INFO L168 Benchmark]: RCFGBuilder took 65469.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -37.5 MB). Peak memory consumption was 348.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:12,573 INFO L168 Benchmark]: CodeCheck took 9000.42 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 280.5 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -117.5 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:12,574 INFO L168 Benchmark]: Witness Printer took 116.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:12,576 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, 8.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6440 SDtfs, 13264 SDslu, 8784 SDs, 0 SdLazy, 36408 SolverSat, 4952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1627 GetRequests, 1400 SyntacticMatches, 103 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8407 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 27212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 120/247 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: 112]: 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 == 6) && a12 == 0) && a4 == 14) || ((a12 == 0 && !(a10 == 1)) && a4 == 14)) || ((a12 == 0 && a4 == 14) && 0 <= a1 + 12) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 6) || 0 < a1 + 13) || !(a10 == 1)) && a12 == 0) && a4 == 14 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 924.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.60 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 65469.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -37.5 MB). Peak memory consumption was 348.4 MB. Max. memory is 11.5 GB. * CodeCheck took 9000.42 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 280.5 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -117.5 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. * Witness Printer took 116.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...