./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_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_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/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 cbdb653cfcf101dac558ea109da390cc04b5e9b8 ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:40:44,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:40:44,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:40:44,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:40:44,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:40:44,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:40:44,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:40:44,580 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:40:44,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:40:44,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:40:44,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:40:44,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:40:44,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:40:44,583 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:40:44,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:40:44,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:40:44,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:40:44,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:40:44,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:40:44,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:40:44,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:40:44,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:40:44,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:40:44,590 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:40:44,590 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:40:44,591 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:40:44,591 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:40:44,592 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:40:44,592 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:40:44,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:40:44,593 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:40:44,593 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:40:44,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:40:44,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:40:44,594 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:40:44,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:40:44,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:40:44,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:40:44,602 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:40:44,602 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:40:44,602 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:40:44,603 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:40:44,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:40:44,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:40:44,604 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:40:44,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:40:44,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:40:44,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:40:44,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:40:44,605 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:40:44,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:40:44,605 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:40:44,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:40:44,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:40:44,605 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_ebd23e37-0b14-4978-9c61-17016cf09ff2/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 -> cbdb653cfcf101dac558ea109da390cc04b5e9b8 [2018-12-02 14:40:44,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:40:44,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:40:44,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:40:44,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:40:44,631 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:40:44,632 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-12-02 14:40:44,675 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/data/32c867a01/b9d84134b1084319b007037a14887189/FLAG1ef55f9a3 [2018-12-02 14:40:45,033 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:40:45,033 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-12-02 14:40:45,041 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/data/32c867a01/b9d84134b1084319b007037a14887189/FLAG1ef55f9a3 [2018-12-02 14:40:45,049 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/data/32c867a01/b9d84134b1084319b007037a14887189 [2018-12-02 14:40:45,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:40:45,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:40:45,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:40:45,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:40:45,055 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:40:45,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb2a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45, skipping insertion in model container [2018-12-02 14:40:45,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:40:45,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:40:45,286 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:40:45,289 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:40:45,389 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:40:45,398 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:40:45,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45 WrapperNode [2018-12-02 14:40:45,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:40:45,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:40:45,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:40:45,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:40:45,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:40:45,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:40:45,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:40:45,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:40:45,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... [2018-12-02 14:40:45,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:40:45,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:40:45,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:40:45,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:40:45,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/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 [2018-12-02 14:40:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:40:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:45:26,393 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:45:26,394 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 14:45:26,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:45:26 BoogieIcfgContainer [2018-12-02 14:45:26,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:45:26,394 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:45:26,394 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:45:26,401 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:45:26,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:45:26" (1/1) ... [2018-12-02 14:45:26,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:45:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:45:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 14:45:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 14:45:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 14:45:26,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:45:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:45:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:45:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:45:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 14:45:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 14:45:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:45:26,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:45:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:45:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:45:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:45:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-02 14:45:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-02 14:45:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:45:27,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:45:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:45:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:45:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:45:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2018-12-02 14:45:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2018-12-02 14:45:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:45:37,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:45:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:45:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:45:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:45:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2018-12-02 14:45:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2018-12-02 14:45:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:45:38,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:45:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:45:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 14:45:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:45:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2018-12-02 14:45:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2018-12-02 14:45:48,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:45:48,654 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-12-02 14:45:48,660 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:45:48,760 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-02 14:45:48,768 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-02 14:45:48,768 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:45:48,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:45:48 ImpRootNode [2018-12-02 14:45:48,769 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:45:48,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:45:48,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:45:48,769 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:45:48,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:45:26" (3/4) ... [2018-12-02 14:45:48,772 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:45:48,787 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2018-12-02 14:45:48,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 14:45:48,789 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 14:45:48,789 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:45:48,885 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ebd23e37-0b14-4978-9c61-17016cf09ff2/bin-2019/ukojak/witness.graphml [2018-12-02 14:45:48,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:45:48,886 INFO L168 Benchmark]: Toolchain (without parser) took 303834.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 466.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,887 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:45:48,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.52 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,887 INFO L168 Benchmark]: Boogie Preprocessor took 38.63 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,888 INFO L168 Benchmark]: RCFGBuilder took 280907.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 950.8 MB in the end (delta: 146.2 MB). Peak memory consumption was 499.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,888 INFO L168 Benchmark]: CodeCheck took 22374.30 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.4 MB). Free memory was 950.8 MB in the beginning and 735.8 MB in the end (delta: 215.0 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,888 INFO L168 Benchmark]: Witness Printer took 116.65 ms. Allocated memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: -30.9 MB). Free memory was 735.8 MB in the beginning and 1.1 GB in the end (delta: -359.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:45:48,889 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, 22.2s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 180 SDtfs, 338 SDslu, 232 SDs, 0 SdLazy, 948 SolverSat, 164 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 41.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 493 GetRequests, 429 SyntacticMatches, 18 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 5948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 202]: 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: ((a12 + 43 <= 0 || 11 < a12) || !(a24 == 1)) || !(a21 == 8) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(a15 == 6) || ((a12 + 43 <= 0 || 11 < a12) || !(a21 == 8)) || !(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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.52 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.63 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 280907.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 950.8 MB in the end (delta: 146.2 MB). Peak memory consumption was 499.6 MB. Max. memory is 11.5 GB. * CodeCheck took 22374.30 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.4 MB). Free memory was 950.8 MB in the beginning and 735.8 MB in the end (delta: 215.0 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. * Witness Printer took 116.65 ms. Allocated memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: -30.9 MB). Free memory was 735.8 MB in the beginning and 1.1 GB in the end (delta: -359.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...