./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/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 2d05d1de5597bdaeecbf29f7010022c1cc3574fd ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:08:52,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:08:52,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:08:52,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:08:52,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:08:52,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:08:52,324 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:08:52,324 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:08:52,325 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:08:52,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:08:52,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:08:52,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:08:52,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:08:52,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:08:52,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:08:52,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:08:52,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:08:52,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:08:52,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:08:52,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:08:52,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:08:52,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:08:52,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:08:52,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:08:52,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:08:52,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:08:52,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:08:52,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:08:52,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:08:52,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:08:52,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:08:52,339 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:08:52,339 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:08:52,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:08:52,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:08:52,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:08:52,340 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:08:52,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:08:52,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:08:52,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:08:52,349 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:08:52,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:08:52,350 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:08:52,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:08:52,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:08:52,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:08:52,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:08:52,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:08:52,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:08:52,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:08:52,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:08:52,351 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:08:52,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:08:52,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:08:52,351 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:08:52,351 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:08:52,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:08:52,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:08:52,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:08:52,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:08:52,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:08:52,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:08:52,352 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:08:52,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:08:52,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:08:52,353 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_a5625735-f38d-4c03-8336-1c6a9a27a5c8/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 -> 2d05d1de5597bdaeecbf29f7010022c1cc3574fd [2018-11-10 10:08:52,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:08:52,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:08:52,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:08:52,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:08:52,392 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:08:52,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-10 10:08:52,437 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/data/ec0faae0a/85950502f6cf48d19fccbcbeecce1bfa/FLAG709e8d21e [2018-11-10 10:08:52,778 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:08:52,779 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-10 10:08:52,787 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/data/ec0faae0a/85950502f6cf48d19fccbcbeecce1bfa/FLAG709e8d21e [2018-11-10 10:08:52,799 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/data/ec0faae0a/85950502f6cf48d19fccbcbeecce1bfa [2018-11-10 10:08:52,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:08:52,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:08:52,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:08:52,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:08:52,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:08:52,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:08:52" (1/1) ... [2018-11-10 10:08:52,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:52, skipping insertion in model container [2018-11-10 10:08:52,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:08:52" (1/1) ... [2018-11-10 10:08:52,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:08:52,851 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:08:53,055 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:08:53,057 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:08:53,122 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:08:53,134 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:08:53,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53 WrapperNode [2018-11-10 10:08:53,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:08:53,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:08:53,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:08:53,135 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:08:53,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:08:53,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:08:53,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:08:53,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:08:53,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... [2018-11-10 10:08:53,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:08:53,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:08:53,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:08:53,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:08:53,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/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 [2018-11-10 10:08:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:08:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:08:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:10:40,568 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:10:40,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:10:40 BoogieIcfgContainer [2018-11-10 10:10:40,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:10:40,569 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:10:40,569 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:10:40,576 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:10:40,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:10:40" (1/1) ... [2018-11-10 10:10:40,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:10:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 10:10:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 10:10:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:10:40,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:10:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 10:10:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 10:10:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:10:40,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:10:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-10 10:10:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-10 10:10:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:10:41,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:10:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2018-11-10 10:10:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2018-11-10 10:10:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:10:41,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:10:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-11-10 10:10:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-11-10 10:10:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:10:52,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:10:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2018-11-10 10:10:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2018-11-10 10:10:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 10:10:53,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:10:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2018-11-10 10:10:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2018-11-10 10:10:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 10:10:55,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:10:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2018-11-10 10:10:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2018-11-10 10:10:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 10:10:57,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:10:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:10:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:10:58,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:10:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-10 10:10:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-10 10:10:58,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:10:58,383 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-10 10:10:58,390 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:10:58,577 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-11-10 10:10:58,584 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 10:10:58,585 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:10:58,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:10:58 ImpRootNode [2018-11-10 10:10:58,585 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:10:58,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:10:58,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:10:58,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:10:58,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:10:40" (3/4) ... [2018-11-10 10:10:58,590 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:10:58,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 10:10:58,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 10:10:58,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 10:10:58,606 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:10:58,695 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5625735-f38d-4c03-8336-1c6a9a27a5c8/bin-2019/ukojak/witness.graphml [2018-11-10 10:10:58,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:10:58,696 INFO L168 Benchmark]: Toolchain (without parser) took 125893.64 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -243.6 MB). Peak memory consumption was 203.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,696 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:10:58,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.85 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,697 INFO L168 Benchmark]: Boogie Preprocessor took 47.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,697 INFO L168 Benchmark]: RCFGBuilder took 107266.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.3 MB). Peak memory consumption was 347.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,698 INFO L168 Benchmark]: CodeCheck took 18016.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -150.0 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,698 INFO L168 Benchmark]: Witness Printer took 109.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:10:58,699 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, 17.7s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1708 SDtfs, 3820 SDslu, 3760 SDs, 0 SdLazy, 7192 SolverSat, 1068 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 52.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1355 GetRequests, 1168 SyntacticMatches, 103 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4234 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 37340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 89/243 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: 97]: 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: (((!(a10 == 3) || a1 <= 218) || !(a19 == 6)) && a12 == 0) && a4 == 14 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((a12 == 0 && a4 == 14) && !(a10 == 3)) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || ((a1 <= 218 && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.85 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 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 119.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 107266.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.3 MB). Peak memory consumption was 347.8 MB. Max. memory is 11.5 GB. * CodeCheck took 18016.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -150.0 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. * Witness Printer took 109.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...