./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label03_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_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/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 f42c4f56a812271285d4588532c54f82291ae69c ............................................................................................................................................................................................................................................................ 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 08:16:40,465 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:16:40,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:16:40,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:16:40,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:16:40,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:16:40,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:16:40,474 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:16:40,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:16:40,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:16:40,476 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:16:40,476 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:16:40,477 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:16:40,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:16:40,478 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:16:40,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:16:40,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:16:40,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:16:40,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:16:40,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:16:40,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:16:40,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:16:40,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:16:40,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:16:40,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:16:40,484 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:16:40,484 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:16:40,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:16:40,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:16:40,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:16:40,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:16:40,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:16:40,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:16:40,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:16:40,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:16:40,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:16:40,487 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 08:16:40,494 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:16:40,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:16:40,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:16:40,495 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:16:40,496 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:16:40,496 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:16:40,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:16:40,497 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:16:40,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:16:40,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:16:40,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:16:40,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:16:40,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:16:40,498 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 08:16:40,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:16:40,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:16:40,498 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_01f64543-516c-4492-91e7-ea3985f7ca7b/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 -> f42c4f56a812271285d4588532c54f82291ae69c [2018-12-02 08:16:40,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:16:40,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:16:40,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:16:40,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:16:40,529 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:16:40,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label03_true-unreach-call_false-termination.c [2018-12-02 08:16:40,564 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/data/9674ee9bd/56cbfb48fe774de784e60011b48ed2ed/FLAGd6fd1e7db [2018-12-02 08:16:40,947 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:16:40,947 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/sv-benchmarks/c/eca-rers2012/Problem14_label03_true-unreach-call_false-termination.c [2018-12-02 08:16:40,954 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/data/9674ee9bd/56cbfb48fe774de784e60011b48ed2ed/FLAGd6fd1e7db [2018-12-02 08:16:41,299 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/data/9674ee9bd/56cbfb48fe774de784e60011b48ed2ed [2018-12-02 08:16:41,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:16:41,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:16:41,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:16:41,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:16:41,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:16:41,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567fcf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41, skipping insertion in model container [2018-12-02 08:16:41,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:16:41,337 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:16:41,523 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:16:41,526 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:16:41,625 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:16:41,634 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:16:41,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41 WrapperNode [2018-12-02 08:16:41,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:16:41,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:16:41,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:16:41,635 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:16:41,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:16:41,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:16:41,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:16:41,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:16:41,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... [2018-12-02 08:16:41,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:16:41,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:16:41,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:16:41,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:16:41,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/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 08:16:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:16:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:20:56,183 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:20:56,183 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 08:20:56,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:56 BoogieIcfgContainer [2018-12-02 08:20:56,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:20:56,184 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:20:56,184 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:20:56,190 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:20:56,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:56" (1/1) ... [2018-12-02 08:20:56,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:20:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 08:20:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 08:20:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 08:20:56,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:20:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:56,348 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 08:20:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:20:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 08:20:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 08:20:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 08:20:56,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:20:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:56,678 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 08:20:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:20:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-12-02 08:20:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-12-02 08:20:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 08:20:56,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:20:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:57,302 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 08:20:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:20:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2018-12-02 08:20:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2018-12-02 08:20:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 08:20:57,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:20:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:57,826 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 08:20:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:20:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-02 08:20:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-02 08:20:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 08:20:57,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:20:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:20:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:20:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2018-12-02 08:20:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2018-12-02 08:20:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 08:20:59,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:20:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:21:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:21:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2018-12-02 08:21:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2018-12-02 08:21:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 08:21:00,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:21:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:21:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:21:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:21:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2018-12-02 08:21:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2018-12-02 08:21:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 08:21:00,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:21:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:21:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 08:21:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:21:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2018-12-02 08:21:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2018-12-02 08:21:01,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:21:01,209 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-12-02 08:21:01,216 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 08:21:01,427 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-02 08:21:01,434 INFO L583 CodeCheckObserver]: Invariant with dag size 40 [2018-12-02 08:21:01,435 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 08:21:01,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:21:01 ImpRootNode [2018-12-02 08:21:01,435 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:21:01,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:21:01,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:21:01,436 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:21:01,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:56" (3/4) ... [2018-12-02 08:21:01,438 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:21:01,450 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-02 08:21:01,451 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 08:21:01,452 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 08:21:01,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 08:21:01,532 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01f64543-516c-4492-91e7-ea3985f7ca7b/bin-2019/ukojak/witness.graphml [2018-12-02 08:21:01,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:21:01,533 INFO L168 Benchmark]: Toolchain (without parser) took 260230.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -105.1 MB). Peak memory consumption was 167.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:21:01,534 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-02 08:21:01,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:21:01,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:21:01,534 INFO L168 Benchmark]: Boogie Preprocessor took 39.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:21:01,535 INFO L168 Benchmark]: RCFGBuilder took 254458.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 885.1 MB in the end (delta: 147.9 MB). Peak memory consumption was 497.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:21:01,535 INFO L168 Benchmark]: CodeCheck took 5251.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 885.1 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:21:01,535 INFO L168 Benchmark]: Witness Printer took 97.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:21:01,536 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, 5.0s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1360 SDtfs, 2534 SDslu, 1696 SDs, 0 SdLazy, 7826 SolverSat, 1396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 849 SyntacticMatches, 54 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4109 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 20940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 36/122 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: 157]: 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) || !(a21 == 10)) || !(a24 == 1) || 0 <= a12 + 42 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a24 == 1) || 0 < a12 + 43) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a21 == 7)) || (!(a15 == 8 && a21 == 7) && (!(a15 == 5) || !(a21 == 10))) - 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 0.14 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 331.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 254458.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 885.1 MB in the end (delta: 147.9 MB). Peak memory consumption was 497.9 MB. Max. memory is 11.5 GB. * CodeCheck took 5251.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 885.1 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 97.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...