./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43_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_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/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 34fdc62899dd0d13cba90ab54d1289d04fc22048 ............................................................................................................................................................................................................................................... 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 19:17:39,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:17:39,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:17:39,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:17:39,649 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:17:39,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:17:39,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:17:39,652 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:17:39,653 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:17:39,653 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:17:39,654 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:17:39,654 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:17:39,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:17:39,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:17:39,656 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:17:39,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:17:39,657 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:17:39,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:17:39,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:17:39,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:17:39,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:17:39,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:17:39,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:17:39,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:17:39,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:17:39,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:17:39,667 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:17:39,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:17:39,668 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:17:39,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:17:39,670 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:17:39,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:17:39,670 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:17:39,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:17:39,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:17:39,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:17:39,672 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:17:39,686 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:17:39,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:17:39,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:17:39,687 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:17:39,687 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:17:39,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:17:39,688 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:17:39,689 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:17:39,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:17:39,689 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:17:39,689 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:17:39,690 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:17:39,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:17:39,690 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_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/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 -> 34fdc62899dd0d13cba90ab54d1289d04fc22048 [2018-11-18 19:17:39,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:17:39,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:17:39,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:17:39,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:17:39,727 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:17:39,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-18 19:17:39,783 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/data/b5d3a9810/9dc2d3a9c9b84c978d195d34f0d265ba/FLAGaf6a3f67e [2018-11-18 19:17:40,205 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:17:40,215 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-18 19:17:40,226 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/data/b5d3a9810/9dc2d3a9c9b84c978d195d34f0d265ba/FLAGaf6a3f67e [2018-11-18 19:17:40,239 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/data/b5d3a9810/9dc2d3a9c9b84c978d195d34f0d265ba [2018-11-18 19:17:40,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:17:40,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:17:40,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:17:40,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:17:40,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:17:40,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a605949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40, skipping insertion in model container [2018-11-18 19:17:40,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:17:40,305 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:17:40,565 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:17:40,569 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:17:40,652 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:17:40,665 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:17:40,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40 WrapperNode [2018-11-18 19:17:40,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:17:40,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:17:40,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:17:40,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:17:40,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:17:40,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:17:40,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:17:40,802 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:17:40,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... [2018-11-18 19:17:40,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:17:40,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:17:40,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:17:40,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:17:40,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/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 19:17:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 19:17:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:17:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:18:48,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:18:48,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:18:48 BoogieIcfgContainer [2018-11-18 19:18:48,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:18:48,349 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:18:48,349 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:18:48,359 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:18:48,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:18:48" (1/1) ... [2018-11-18 19:18:48,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:18:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 19:18:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 19:18:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 19:18:48,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:18:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:18:48,556 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 19:18:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 19:18:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 19:18:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 19:18:48,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:18:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:18:48,912 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 19:18:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 19:18:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 19:18:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:18:49,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:18:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:18:49,601 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 19:18:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-18 19:18:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-18 19:18:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:18:50,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:18:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:18:50,468 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 19:18:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2018-11-18 19:18:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2018-11-18 19:18:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 19:18:50,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:18:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:18:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:18:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2018-11-18 19:18:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2018-11-18 19:18:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 19:18:52,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:18:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:18:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:18:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:18:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-11-18 19:18:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-11-18 19:18:53,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:18:53,249 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-18 19:18:53,256 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:18:53,480 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2018-11-18 19:18:53,480 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 19:18:53,488 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 19:18:53,489 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:18:53,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:18:53 ImpRootNode [2018-11-18 19:18:53,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:18:53,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:18:53,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:18:53,490 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:18:53,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:18:48" (3/4) ... [2018-11-18 19:18:53,494 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:18:53,510 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-18 19:18:53,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 19:18:53,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 19:18:53,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 19:18:53,604 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a6a5973-9d10-4f4b-9abe-e0dd8ee578be/bin-2019/ukojak/witness.graphml [2018-11-18 19:18:53,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:18:53,605 INFO L168 Benchmark]: Toolchain (without parser) took 73361.98 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.6 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -377.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,605 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:18:53,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.10 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 924.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -237.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,606 INFO L168 Benchmark]: Boogie Preprocessor took 62.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,606 INFO L168 Benchmark]: RCFGBuilder took 67483.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,607 INFO L168 Benchmark]: CodeCheck took 5141.10 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -223.6 MB). Peak memory consumption was 411.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,607 INFO L168 Benchmark]: Witness Printer took 114.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-18 19:18:53,609 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, 4.8s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 420 SDtfs, 1022 SDslu, 912 SDs, 0 SdLazy, 2000 SolverSat, 274 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 809 GetRequests, 681 SyntacticMatches, 54 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2736 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 16810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 10/84 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: 109]: 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: ((a12 == 0 && (!(a19 == 8) || 0 <= a1 + 12)) && a4 == 14) || ((a12 == 0 && !(a10 == 1)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 8) || 0 < a1 + 13) || !(a10 == 1)) && 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.10 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 924.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 135.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -237.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 67483.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. * CodeCheck took 5141.10 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -223.6 MB). Peak memory consumption was 411.7 MB. Max. memory is 11.5 GB. * Witness Printer took 114.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...