./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label01_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_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label01_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/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 e164009279dbb4f44c2a62d6b9419f669fb4fb2b ............................................................................................................................................................................................................................................................ 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 16:25:19,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:25:19,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:25:19,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:25:19,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:25:19,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:25:19,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:25:19,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:25:19,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:25:19,576 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:25:19,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:25:19,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:25:19,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:25:19,578 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:25:19,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:25:19,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:25:19,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:25:19,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:25:19,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:25:19,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:25:19,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:25:19,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:25:19,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:25:19,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:25:19,587 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:25:19,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:25:19,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:25:19,589 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:25:19,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:25:19,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:25:19,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:25:19,591 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:25:19,591 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:25:19,591 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:25:19,592 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:25:19,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:25:19,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:25:19,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:25:19,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:25:19,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:25:19,604 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:25:19,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:25:19,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:25:19,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:25:19,605 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:25:19,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:25:19,605 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:25:19,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:25:19,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:25:19,606 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:25:19,606 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:25:19,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:25:19,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:25:19,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:25:19,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:25:19,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:25:19,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:25:19,607 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:25:19,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:25:19,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:25:19,608 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_65dd7032-fec5-4075-b957-a5a2e66bbcd7/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 -> e164009279dbb4f44c2a62d6b9419f669fb4fb2b [2018-11-18 16:25:19,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:25:19,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:25:19,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:25:19,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:25:19,643 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:25:19,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-11-18 16:25:19,681 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/data/06a51bdae/354ff267dd944bd2974a22db29ef7f98/FLAG6779533e5 [2018-11-18 16:25:20,144 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:25:20,145 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/sv-benchmarks/c/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-11-18 16:25:20,154 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/data/06a51bdae/354ff267dd944bd2974a22db29ef7f98/FLAG6779533e5 [2018-11-18 16:25:20,663 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/data/06a51bdae/354ff267dd944bd2974a22db29ef7f98 [2018-11-18 16:25:20,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:25:20,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:25:20,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:25:20,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:25:20,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:25:20,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:25:20" (1/1) ... [2018-11-18 16:25:20,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7629e60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:20, skipping insertion in model container [2018-11-18 16:25:20,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:25:20" (1/1) ... [2018-11-18 16:25:20,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:25:20,720 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:25:20,976 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:25:20,979 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:25:21,047 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:25:21,059 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:25:21,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21 WrapperNode [2018-11-18 16:25:21,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:25:21,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:25:21,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:25:21,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:25:21,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:25:21,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:25:21,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:25:21,175 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:25:21,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... [2018-11-18 16:25:21,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:25:21,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:25:21,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:25:21,222 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:25:21,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/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 16:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:25:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:25:54,656 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:25:54,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:54 BoogieIcfgContainer [2018-11-18 16:25:54,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:25:54,657 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:25:54,657 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:25:54,663 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:25:54,663 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:54" (1/1) ... [2018-11-18 16:25:54,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:25:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 16:25:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 16:25:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 16:25:54,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:25:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:54,876 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 16:25:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:25:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 16:25:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 16:25:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:25:54,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:25:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:55,311 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 16:25:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:25:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 16:25:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 16:25:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:25:55,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:25:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:55,843 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 16:26:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:26:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-18 16:26:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-18 16:26:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:26:06,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:26:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:06,506 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 16:26:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:26:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-11-18 16:26:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-11-18 16:26:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 16:26:06,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:26:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:07,828 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 16:26:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:26:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-11-18 16:26:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-11-18 16:26:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 16:26:08,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:26:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:08,997 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 16:26:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:26:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-11-18 16:26:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-11-18 16:26:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 16:26:09,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:26:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:26:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:26:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-18 16:26:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-18 16:26:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 16:26:09,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:26:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:26:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:26:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-18 16:26:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-18 16:26:10,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:26:10,286 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-18 16:26:10,292 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:26:10,534 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-18 16:26:10,541 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 16:26:10,541 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:26:10,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:26:10 ImpRootNode [2018-11-18 16:26:10,542 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:26:10,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:26:10,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:26:10,542 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:26:10,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:54" (3/4) ... [2018-11-18 16:26:10,547 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:26:10,561 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-18 16:26:10,562 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 16:26:10,562 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:26:10,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:26:10,642 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65dd7032-fec5-4075-b957-a5a2e66bbcd7/bin-2019/ukojak/witness.graphml [2018-11-18 16:26:10,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:26:10,642 INFO L168 Benchmark]: Toolchain (without parser) took 49976.89 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.0 MB). Free memory was 950.4 MB in the beginning and 949.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 433.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:26:10,643 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:26:10,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.92 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:26:10,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 915.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:26:10,644 INFO L168 Benchmark]: Boogie Preprocessor took 47.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:26:10,644 INFO L168 Benchmark]: RCFGBuilder took 33434.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 813.9 MB in the end (delta: 287.2 MB). Peak memory consumption was 471.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:26:10,644 INFO L168 Benchmark]: CodeCheck took 15885.32 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 122.7 MB). Free memory was 813.9 MB in the beginning and 972.4 MB in the end (delta: -158.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:26:10,645 INFO L168 Benchmark]: Witness Printer took 99.74 ms. Allocated memory is still 1.5 GB. Free memory was 972.4 MB in the beginning and 949.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:26:10,646 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1788 SDtfs, 3982 SDslu, 4080 SDs, 0 SdLazy, 7658 SolverSat, 948 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 63.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1305 GetRequests, 1146 SyntacticMatches, 83 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3145 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 31600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 90/176 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: 163]: 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 == 0) && a12 == 0) && a4 == 14) || (((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14)) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a1 <= 38 || 218 < a1) || !(a19 == 6)) || !(a10 == 0)) && 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.92 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 915.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 33434.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 813.9 MB in the end (delta: 287.2 MB). Peak memory consumption was 471.2 MB. Max. memory is 11.5 GB. * CodeCheck took 15885.32 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 122.7 MB). Free memory was 813.9 MB in the beginning and 972.4 MB in the end (delta: -158.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 99.74 ms. Allocated memory is still 1.5 GB. Free memory was 972.4 MB in the beginning and 949.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...