./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label10_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_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label10_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/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 96c689d8b65aac27592df43d0140c8853a936fe2 ..................................................................................................................................................................................................................................................................... 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 15:08:46,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:08:46,867 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:08:46,875 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:08:46,876 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:08:46,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:08:46,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:08:46,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:08:46,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:08:46,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:08:46,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:08:46,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:08:46,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:08:46,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:08:46,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:08:46,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:08:46,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:08:46,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:08:46,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:08:46,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:08:46,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:08:46,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:08:46,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:08:46,890 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:08:46,890 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:08:46,891 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:08:46,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:08:46,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:08:46,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:08:46,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:08:46,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:08:46,894 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:08:46,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:08:46,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:08:46,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:08:46,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:08:46,895 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:08:46,905 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:08:46,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:08:46,906 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:08:46,906 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:08:46,906 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:08:46,906 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:08:46,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:08:46,907 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:08:46,907 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:08:46,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:08:46,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:08:46,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:08:46,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:08:46,908 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:08:46,908 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:08:46,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:08:46,908 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:08:46,908 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:08:46,908 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:08:46,908 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:08:46,909 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:08:46,909 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:08:46,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:08:46,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:08:46,909 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:08:46,909 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:08:46,909 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:08:46,910 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:08:46,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:08:46,910 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_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/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 -> 96c689d8b65aac27592df43d0140c8853a936fe2 [2018-11-23 15:08:46,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:08:46,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:08:46,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:08:46,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:08:46,946 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:08:46,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label10_true-unreach-call.c [2018-11-23 15:08:46,990 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/data/40e5eba79/60449d1ba1c748f09fd42668633d1ea7/FLAG606416acb [2018-11-23 15:08:47,441 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:08:47,442 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/sv-benchmarks/c/eca-rers2012/Problem10_label10_true-unreach-call.c [2018-11-23 15:08:47,451 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/data/40e5eba79/60449d1ba1c748f09fd42668633d1ea7/FLAG606416acb [2018-11-23 15:08:47,962 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/data/40e5eba79/60449d1ba1c748f09fd42668633d1ea7 [2018-11-23 15:08:47,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:08:47,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:08:47,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:08:47,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:08:47,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:08:47,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:47" (1/1) ... [2018-11-23 15:08:47,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:47, skipping insertion in model container [2018-11-23 15:08:47,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:47" (1/1) ... [2018-11-23 15:08:47,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:08:48,015 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:08:48,240 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:08:48,242 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:08:48,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:08:48,321 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:08:48,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48 WrapperNode [2018-11-23 15:08:48,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:08:48,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:08:48,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:08:48,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:08:48,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:08:48,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:08:48,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:08:48,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:08:48,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... [2018-11-23 15:08:48,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:08:48,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:08:48,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:08:48,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:08:48,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/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 15:08:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:08:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:08:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:09:27,471 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:09:27,471 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 15:09:27,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:27 BoogieIcfgContainer [2018-11-23 15:09:27,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:09:27,472 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:09:27,472 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:09:27,479 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:09:27,479 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:27" (1/1) ... [2018-11-23 15:09:27,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:09:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 15:09:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 15:09:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 15:09:27,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:27,728 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 15:09:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 15:09:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 15:09:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 15:09:27,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,086 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 15:09:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 15:09:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 15:09:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:09:28,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,621 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 15:09:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2018-11-23 15:09:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2018-11-23 15:09:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:09:28,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:29,167 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 15:09:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-11-23 15:09:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-11-23 15:09:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:09:29,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:09:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:30,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2018-11-23 15:09:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-11-23 15:09:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:09:30,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:31,295 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 15:09:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2018-11-23 15:09:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2018-11-23 15:09:31,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:09:31,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:32,106 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 15:09:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2018-11-23 15:09:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2018-11-23 15:09:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:09:32,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:09:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-11-23 15:09:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-11-23 15:09:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:09:32,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:09:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2018-11-23 15:09:33,175 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2018-11-23 15:09:33,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:09:33,175 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-23 15:09:33,183 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:09:33,324 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 15:09:33,335 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 15:09:33,335 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:09:33,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:09:33 ImpRootNode [2018-11-23 15:09:33,336 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:09:33,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:09:33,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:09:33,336 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:09:33,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:27" (3/4) ... [2018-11-23 15:09:33,340 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:09:33,356 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 15:09:33,357 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 15:09:33,357 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:09:33,358 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:09:33,454 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd0d2c6b-960b-40e7-9209-06c3d6621e9a/bin-2019/ukojak/witness.graphml [2018-11-23 15:09:33,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:09:33,455 INFO L168 Benchmark]: Toolchain (without parser) took 45489.45 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.7 MB). Free memory was 956.4 MB in the beginning and 978.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 403.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:33,456 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 15:09:33,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.90 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:33,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:33,456 INFO L168 Benchmark]: Boogie Preprocessor took 51.72 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:33,457 INFO L168 Benchmark]: RCFGBuilder took 38990.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.3 MB). Free memory was 1.1 GB in the beginning and 809.0 MB in the end (delta: 308.1 MB). Peak memory consumption was 497.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:33,457 INFO L168 Benchmark]: CodeCheck took 5863.75 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 102.2 MB). Free memory was 809.0 MB in the beginning and 989.4 MB in the end (delta: -180.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:09:33,457 INFO L168 Benchmark]: Witness Printer took 117.86 ms. Allocated memory is still 1.5 GB. Free memory was 989.4 MB in the beginning and 978.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:33,459 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, 5.6s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3128 SDtfs, 5944 SDslu, 4208 SDs, 0 SdLazy, 15328 SolverSat, 2240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1402 GetRequests, 1209 SyntacticMatches, 105 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5368 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 25396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 76/226 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: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a10 == 2) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || ((a1 <= 218 && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a1 <= 218 || !(a10 == 2)) || !(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 354.90 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.72 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38990.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.3 MB). Free memory was 1.1 GB in the beginning and 809.0 MB in the end (delta: 308.1 MB). Peak memory consumption was 497.4 MB. Max. memory is 11.5 GB. * CodeCheck took 5863.75 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 102.2 MB). Free memory was 809.0 MB in the beginning and 989.4 MB in the end (delta: -180.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 117.86 ms. Allocated memory is still 1.5 GB. Free memory was 989.4 MB in the beginning and 978.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...