./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/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 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:42:49,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:42:49,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:42:49,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:42:49,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:42:49,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:42:49,454 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:42:49,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:42:49,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:42:49,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:42:49,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:42:49,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:42:49,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:42:49,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:42:49,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:42:49,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:42:49,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:42:49,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:42:49,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:42:49,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:42:49,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:42:49,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:42:49,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:42:49,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:42:49,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:42:49,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:42:49,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:42:49,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:42:49,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:42:49,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:42:49,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:42:49,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:42:49,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:42:49,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:42:49,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:42:49,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:42:49,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:42:49,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:42:49,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:42:49,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:42:49,480 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:42:49,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:42:49,480 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:42:49,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:42:49,481 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:42:49,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:42:49,482 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:42:49,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:42:49,482 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:42:49,482 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:42:49,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:42:49,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:42:49,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:42:49,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:42:49,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:42:49,483 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:42:49,483 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:42:49,483 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:42:49,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:42:49,483 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_a413a356-a75a-4206-b3a2-4ce9e183e178/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 -> 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a [2018-11-18 13:42:49,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:42:49,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:42:49,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:42:49,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:42:49,518 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:42:49,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-11-18 13:42:49,554 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/data/528785268/d07c0dff90974710b143babef807036e/FLAGa03d6b0f7 [2018-11-18 13:42:49,904 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:42:49,905 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-11-18 13:42:49,914 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/data/528785268/d07c0dff90974710b143babef807036e/FLAGa03d6b0f7 [2018-11-18 13:42:49,926 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/data/528785268/d07c0dff90974710b143babef807036e [2018-11-18 13:42:49,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:42:49,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:42:49,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:42:49,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:42:49,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:42:49,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:42:49" (1/1) ... [2018-11-18 13:42:49,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641f4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:49, skipping insertion in model container [2018-11-18 13:42:49,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:42:49" (1/1) ... [2018-11-18 13:42:49,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:42:49,976 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:42:50,187 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:42:50,190 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:42:50,256 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:42:50,327 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:42:50,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50 WrapperNode [2018-11-18 13:42:50,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:42:50,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:42:50,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:42:50,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:42:50,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:42:50,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:42:50,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:42:50,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:42:50,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... [2018-11-18 13:42:50,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:42:50,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:42:50,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:42:50,437 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:42:50,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:42:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/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 [2018-11-18 13:42:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:42:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:42:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:43:38,858 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:43:38,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:43:38 BoogieIcfgContainer [2018-11-18 13:43:38,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:43:38,859 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:43:38,859 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:43:38,866 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:43:38,866 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:43:38" (1/1) ... [2018-11-18 13:43:38,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:43:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 13:43:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 13:43:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:43:38,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:43:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 13:43:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 13:43:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:43:39,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:43:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 13:43:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 13:43:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:43:39,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:43:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-18 13:43:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-18 13:43:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:43:40,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:43:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-11-18 13:43:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-11-18 13:43:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:43:40,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:43:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-11-18 13:43:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-11-18 13:43:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:43:47,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:43:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2018-11-18 13:43:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2018-11-18 13:43:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:43:47,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:43:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2018-11-18 13:43:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2018-11-18 13:43:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:43:48,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:43:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2018-11-18 13:43:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2018-11-18 13:43:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:43:49,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:43:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 113 transitions. [2018-11-18 13:43:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2018-11-18 13:43:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:43:50,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:43:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:43:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:43:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:43:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-11-18 13:43:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-11-18 13:43:50,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:43:50,994 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 13:43:51,000 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:43:51,187 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-18 13:43:51,194 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 13:43:51,195 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:43:51,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:43:51 ImpRootNode [2018-11-18 13:43:51,195 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:43:51,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:43:51,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:43:51,196 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:43:51,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:43:38" (3/4) ... [2018-11-18 13:43:51,200 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:43:51,213 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 13:43:51,214 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 13:43:51,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:43:51,216 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:43:51,293 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a413a356-a75a-4206-b3a2-4ce9e183e178/bin-2019/ukojak/witness.graphml [2018-11-18 13:43:51,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:43:51,293 INFO L168 Benchmark]: Toolchain (without parser) took 61364.79 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 502.3 MB). Free memory was 951.2 MB in the beginning and 1.3 GB in the end (delta: -394.5 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:43:51,294 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:43:51,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:43:51,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:43:51,295 INFO L168 Benchmark]: Boogie Preprocessor took 46.08 ms. Allocated memory is still 1.1 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. [2018-11-18 13:43:51,295 INFO L168 Benchmark]: RCFGBuilder took 48422.04 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.5 MB). Peak memory consumption was 340.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:43:51,295 INFO L168 Benchmark]: CodeCheck took 12336.24 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 262.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -251.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:43:51,296 INFO L168 Benchmark]: Witness Printer took 97.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:43:51,297 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, 12.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7332 SDtfs, 17442 SDslu, 17040 SDs, 0 SdLazy, 35212 SolverSat, 4698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1938 GetRequests, 1698 SyntacticMatches, 120 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8021 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 55870 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 120/316 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: 145]: 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: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && (((38 < a1 || !(a19 == 6)) || a1 + 13 <= 0) || !(a10 == 0)) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((a12 == 0 && a4 == 14) && !(a10 == 0)) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.08 ms. Allocated memory is still 1.1 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 48422.04 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.5 MB). Peak memory consumption was 340.4 MB. Max. memory is 11.5 GB. * CodeCheck took 12336.24 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 262.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -251.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Witness Printer took 97.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...