./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/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 ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:04:35,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:04:35,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:04:35,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:04:35,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:04:35,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:04:35,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:04:35,332 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:04:35,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:04:35,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:04:35,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:04:35,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:04:35,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:04:35,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:04:35,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:04:35,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:04:35,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:04:35,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:04:35,338 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:04:35,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:04:35,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:04:35,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:04:35,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:04:35,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:04:35,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:04:35,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:04:35,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:04:35,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:04:35,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:04:35,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:04:35,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:04:35,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:04:35,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:04:35,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:04:35,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:04:35,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:04:35,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:04:35,353 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:04:35,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:04:35,354 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:04:35,354 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:04:35,354 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:04:35,354 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:04:35,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:04:35,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:04:35,355 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:04:35,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:04:35,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:04:35,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:04:35,356 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_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/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 -> ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 [2018-12-09 04:04:35,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:04:35,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:04:35,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:04:35,386 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:04:35,387 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:04:35,387 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-12-09 04:04:35,426 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/data/fc01f80e4/4b091b66137449f8aa36d4411cd0449c/FLAG00ae20562 [2018-12-09 04:04:35,874 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:04:35,875 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-12-09 04:04:35,882 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/data/fc01f80e4/4b091b66137449f8aa36d4411cd0449c/FLAG00ae20562 [2018-12-09 04:04:35,891 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/data/fc01f80e4/4b091b66137449f8aa36d4411cd0449c [2018-12-09 04:04:35,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:04:35,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:04:35,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:04:35,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:04:35,896 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:04:35,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:04:35" (1/1) ... [2018-12-09 04:04:35,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:35, skipping insertion in model container [2018-12-09 04:04:35,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:04:35" (1/1) ... [2018-12-09 04:04:35,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:04:35,930 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:04:36,127 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:04:36,130 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:04:36,254 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:04:36,264 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:04:36,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36 WrapperNode [2018-12-09 04:04:36,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:04:36,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:04:36,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:04:36,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:04:36,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:04:36,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:04:36,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:04:36,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:04:36,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... [2018-12-09 04:04:36,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:04:36,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:04:36,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:04:36,356 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:04:36,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:04:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/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 [2018-12-09 04:04:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:04:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:10:21,618 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:10:21,618 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 04:10:21,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:21 BoogieIcfgContainer [2018-12-09 04:10:21,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:10:21,619 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:10:21,619 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:10:21,626 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:10:21,626 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:21" (1/1) ... [2018-12-09 04:10:21,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:10:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:10:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 04:10:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 04:10:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 04:10:21,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:10:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:10:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:10:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:10:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 04:10:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 04:10:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 04:10:21,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:10:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:10:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:10:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:10:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-09 04:10:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-09 04:10:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:10:32,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:10:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:10:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:10:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:10:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2018-12-09 04:10:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2018-12-09 04:10:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:10:53,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:10:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:10:54,654 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2018-12-09 04:10:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:11:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:11:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2018-12-09 04:11:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2018-12-09 04:11:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:11:17,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:11:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:11:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:11:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:11:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2018-12-09 04:11:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2018-12-09 04:11:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:11:28,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:11:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:11:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:11:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:11:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2018-12-09 04:11:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2018-12-09 04:11:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 04:11:28,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:11:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:11:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 04:11:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:11:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2018-12-09 04:11:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2018-12-09 04:11:49,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:11:49,413 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-09 04:11:49,418 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:11:49,671 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2018-12-09 04:11:49,941 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2018-12-09 04:11:49,942 INFO L583 CodeCheckObserver]: Invariant with dag size 38 [2018-12-09 04:11:49,949 INFO L583 CodeCheckObserver]: Invariant with dag size 61 [2018-12-09 04:11:49,950 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:11:49,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:11:49 ImpRootNode [2018-12-09 04:11:49,951 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:11:49,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:11:49,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:11:49,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:11:49,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:21" (3/4) ... [2018-12-09 04:11:49,955 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:11:49,970 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-09 04:11:49,971 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 04:11:49,971 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 04:11:49,972 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:11:50,062 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45a432a4-6696-4f1b-88e7-3f7df7d3bfad/bin-2019/ukojak/witness.graphml [2018-12-09 04:11:50,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:11:50,063 INFO L168 Benchmark]: Toolchain (without parser) took 434170.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.7 MB in the beginning and 741.2 MB in the end (delta: 210.5 MB). Peak memory consumption was 409.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,064 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:11:50,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,065 INFO L168 Benchmark]: Boogie Preprocessor took 37.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,065 INFO L168 Benchmark]: RCFGBuilder took 345262.91 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 808.8 MB in the end (delta: 265.9 MB). Peak memory consumption was 462.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,065 INFO L168 Benchmark]: CodeCheck took 88331.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Free memory was 808.8 MB in the beginning and 763.4 MB in the end (delta: 45.4 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,066 INFO L168 Benchmark]: Witness Printer took 111.19 ms. Allocated memory is still 1.2 GB. Free memory was 763.4 MB in the beginning and 741.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:11:50,067 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, 245 locations, 1 error locations. SAFE Result, 87.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 932 SDtfs, 1894 SDslu, 1352 SDs, 0 SdLazy, 6316 SolverSat, 1138 SolverUnsat, 172 SolverUnknown, 0 SolverNotchecked, 299.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 924 SyntacticMatches, 29 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6492 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 25764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 36/112 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: 142]: 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: (((((((0 < a12 + 49 && !(a15 == 5)) || (!(a12 + 49 <= 0) && !(a21 == 8))) || (!(a15 == 8) && a12 + 49 <= 0)) || (a12 + 49 <= 0 && !(a21 == 7))) || (!(a12 <= 64) && a12 <= 80)) || (!(a12 + 49 <= 0) && a12 <= 64)) || !(a24 == 1)) || (0 <= a12 + 49 && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a15 == 8) && a12 + 49 <= 0) || (!(a12 / 299959 + 1 <= 0 || ((!(a15 == 9) || a21 == 9) && (((a15 == 7 || !(a21 == 8)) || a15 == 8) || a15 == 6))) && ((a12 <= 80 || !(a15 == 5)) || !(a24 == 1)))) || ((0 <= a12 + 49 && (((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input)) && a12 + 49 <= 0)) || (!(a12 + 49 <= 0) && a21 == 7)) || ((a12 / 299959 + 1 <= 0 || ((!(a15 == 9) || a21 == 9) && (((a15 == 7 || !(a21 == 8)) || a15 == 8) || a15 == 6))) && !(a21 == 7 && a24 == 1)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 345262.91 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 808.8 MB in the end (delta: 265.9 MB). Peak memory consumption was 462.9 MB. Max. memory is 11.5 GB. * CodeCheck took 88331.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Free memory was 808.8 MB in the beginning and 763.4 MB in the end (delta: 45.4 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * Witness Printer took 111.19 ms. Allocated memory is still 1.2 GB. Free memory was 763.4 MB in the beginning and 741.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...