./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.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_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/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 d2e5c405950a1e9288f54e6a20b4d800e6d36c44 ......................................................................................................................................................................................................................................................................................... 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 15:46:59,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:46:59,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:46:59,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:46:59,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:46:59,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:46:59,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:46:59,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:46:59,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:46:59,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:46:59,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:46:59,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:46:59,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:46:59,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:46:59,332 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:46:59,333 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:46:59,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:46:59,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:46:59,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:46:59,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:46:59,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:46:59,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:46:59,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:46:59,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:46:59,339 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:46:59,340 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:46:59,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:46:59,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:46:59,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:46:59,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:46:59,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:46:59,343 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:46:59,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:46:59,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:46:59,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:46:59,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:46:59,345 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:46:59,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:46:59,355 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:46:59,356 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:46:59,356 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:46:59,357 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:46:59,357 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:46:59,357 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:46:59,357 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:46:59,357 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:46:59,358 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:46:59,358 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:46:59,359 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:46:59,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:46:59,359 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:46:59,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:46:59,359 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:46:59,359 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:46:59,359 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:46:59,360 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:46:59,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:46:59,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:46:59,360 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_44fcddb6-81e6-404d-babc-2cba1380b425/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 -> d2e5c405950a1e9288f54e6a20b4d800e6d36c44 [2018-11-18 15:46:59,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:46:59,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:46:59,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:46:59,396 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:46:59,396 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:46:59,397 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-18 15:46:59,436 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/data/0ba75b824/e399dc9ccc4e49cb92004091e93da8de/FLAGc6449956c [2018-11-18 15:46:59,913 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:46:59,913 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-18 15:46:59,923 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/data/0ba75b824/e399dc9ccc4e49cb92004091e93da8de/FLAGc6449956c [2018-11-18 15:46:59,934 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/data/0ba75b824/e399dc9ccc4e49cb92004091e93da8de [2018-11-18 15:46:59,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:46:59,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:46:59,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:46:59,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:46:59,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:46:59,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:46:59" (1/1) ... [2018-11-18 15:46:59,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75654020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:46:59, skipping insertion in model container [2018-11-18 15:46:59,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:46:59" (1/1) ... [2018-11-18 15:46:59,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:46:59,982 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:47:00,236 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:47:00,239 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:47:00,322 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:47:00,334 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:47:00,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00 WrapperNode [2018-11-18 15:47:00,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:47:00,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:47:00,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:47:00,335 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:47:00,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:47:00,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:47:00,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:47:00,455 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:47:00,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... [2018-11-18 15:47:00,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:47:00,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:47:00,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:47:00,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:47:00,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:47:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/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 15:47:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:47:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:47:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:51:20,577 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:51:20,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:51:20 BoogieIcfgContainer [2018-11-18 15:51:20,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:51:20,578 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:51:20,578 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:51:20,585 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:51:20,585 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:51:20" (1/1) ... [2018-11-18 15:51:20,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:51:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 15:51:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 15:51:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:51:20,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:20,784 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 15:51:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 15:51:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 15:51:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:51:20,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:21,276 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 15:51:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-18 15:51:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-18 15:51:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:51:21,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:22,131 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 15:51:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-18 15:51:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-18 15:51:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:51:22,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:22,674 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 15:51:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-18 15:51:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-18 15:51:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:51:22,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:23,184 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 15:51:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-18 15:51:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-18 15:51:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:51:23,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:51:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-11-18 15:51:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-11-18 15:51:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:51:25,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:51:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-11-18 15:51:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-11-18 15:51:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:51:26,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:27,435 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2018-11-18 15:51:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:51:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-11-18 15:51:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-11-18 15:51:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:51:49,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:51:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 101 transitions. [2018-11-18 15:51:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2018-11-18 15:51:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:51:50,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:52:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:52:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 66 states and 108 transitions. [2018-11-18 15:52:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2018-11-18 15:52:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:52:02,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:52:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:52:03,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:52:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2018-11-18 15:52:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2018-11-18 15:52:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 15:52:03,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:52:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:15,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:52:15,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-11-18 15:52:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-11-18 15:52:15,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:52:15,913 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-18 15:52:15,919 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:52:16,249 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 15:52:16,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:52:16,256 INFO L579 CodeCheckObserver]: Invariant with dag size 47 [2018-11-18 15:52:16,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:52:16 ImpRootNode [2018-11-18 15:52:16,258 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:52:16,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:52:16,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:52:16,258 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:52:16,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:51:20" (3/4) ... [2018-11-18 15:52:16,263 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:52:16,275 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 15:52:16,276 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 15:52:16,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:52:16,278 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:52:16,388 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44fcddb6-81e6-404d-babc-2cba1380b425/bin-2019/ukojak/witness.graphml [2018-11-18 15:52:16,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:52:16,389 INFO L168 Benchmark]: Toolchain (without parser) took 316452.85 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 611.3 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -386.3 MB). Peak memory consumption was 225.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:16,390 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:16,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.88 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:16,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -208.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:16,391 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 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. [2018-11-18 15:52:16,392 INFO L168 Benchmark]: RCFGBuilder took 260072.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.1 GB in the beginning and 934.1 MB in the end (delta: 185.7 MB). Peak memory consumption was 399.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:16,392 INFO L168 Benchmark]: CodeCheck took 55679.84 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 934.1 MB in the beginning and 1.4 GB in the end (delta: -437.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:16,392 INFO L168 Benchmark]: Witness Printer took 130.48 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:16,394 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, 246 locations, 1 error locations. SAFE Result, 55.3s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26496 SDtfs, 59390 SDslu, 56832 SDs, 0 SdLazy, 116922 SolverSat, 17822 SolverUnsat, 74 SolverUnknown, 0 SolverNotchecked, 159.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2321 GetRequests, 1986 SyntacticMatches, 165 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19727 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 136615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 40/428 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: 166]: 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: 880]: Loop Invariant Derived loop invariant: (!(a15 == 5) || 12 <= a12) || ((a21 == 6 || a21 == 10) || a21 == 7) || a21 == 9 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a21 == 6 || 8 == a15) && !(a15 == 5)) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a21 == 7)) || 12 <= a12) || (a15 == 5 && ((a21 == 10 || a21 == 7) || a21 == 9))) || ((a21 == 6 || 8 == a15) && !(((0 <= a12 + 49 && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) * 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.88 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -208.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.95 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 260072.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.1 GB in the beginning and 934.1 MB in the end (delta: 185.7 MB). Peak memory consumption was 399.9 MB. Max. memory is 11.5 GB. * CodeCheck took 55679.84 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 934.1 MB in the beginning and 1.4 GB in the end (delta: -437.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 130.48 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...