./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/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 d5d419a3a7f083f15010050e5cf28b10f30a132d ................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/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 d5d419a3a7f083f15010050e5cf28b10f30a132d .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:40:28,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:40:28,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:40:28,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:40:28,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:40:28,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:40:28,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:40:28,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:40:28,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:40:28,412 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:40:28,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:40:28,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:40:28,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:40:28,416 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:40:28,417 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:40:28,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:40:28,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:40:28,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:40:28,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:40:28,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:40:28,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:40:28,443 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:40:28,451 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:40:28,455 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:40:28,455 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:40:28,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:40:28,456 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:40:28,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:40:28,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:40:28,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:40:28,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:40:28,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:40:28,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:40:28,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:40:28,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:40:28,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:40:28,469 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:40:28,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:40:28,501 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:40:28,502 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:40:28,502 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:40:28,502 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:40:28,502 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:40:28,503 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:40:28,503 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:40:28,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:40:28,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:40:28,504 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:40:28,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:40:28,504 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:40:28,504 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:40:28,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:40:28,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:40:28,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:40:28,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:40:28,507 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:40:28,507 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:40:28,507 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:40:28,507 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:40:28,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:40:28,507 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_9a58205f-0108-47e0-9cd1-db806df6ee95/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 -> d5d419a3a7f083f15010050e5cf28b10f30a132d [2018-11-18 18:40:28,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:40:28,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:40:28,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:40:28,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:40:28,585 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:40:28,586 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i [2018-11-18 18:40:28,658 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/c5347a757/1695dc7d33cc474682408a6d39e3781d/FLAG9e1a5f74c [2018-11-18 18:40:29,163 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:40:29,164 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i [2018-11-18 18:40:29,179 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/c5347a757/1695dc7d33cc474682408a6d39e3781d/FLAG9e1a5f74c [2018-11-18 18:40:29,422 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/c5347a757/1695dc7d33cc474682408a6d39e3781d [2018-11-18 18:40:29,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:40:29,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:40:29,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:40:29,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:40:29,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:40:29,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efa4a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29, skipping insertion in model container [2018-11-18 18:40:29,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:40:29,485 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:40:29,707 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:40:29,711 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:40:29,744 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:40:29,756 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:40:29,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29 WrapperNode [2018-11-18 18:40:29,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:40:29,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:40:29,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:40:29,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:40:29,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:40:29,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:40:29,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:40:29,789 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:40:29,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... [2018-11-18 18:40:29,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:40:29,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:40:29,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:40:29,809 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:40:29,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:40:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:40:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:40:30,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:40:30,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:30 BoogieIcfgContainer [2018-11-18 18:40:30,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:40:30,718 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:40:30,718 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:40:30,738 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:40:30,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:30" (1/1) ... [2018-11-18 18:40:30,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:40:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-18 18:40:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-18 18:40:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:40:30,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:30,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:40:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:40:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 18:40:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 18:40:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 18:40:30,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:31,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:40:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:40:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 18:40:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 18:40:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:40:31,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:31,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:40:31,463 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 6 [2018-11-18 18:40:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:40:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-18 18:40:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-18 18:40:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:40:32,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 18:40:42,192 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 18:40:42,195 INFO L168 Benchmark]: Toolchain (without parser) took 12769.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:40:42,196 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:40:42,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.22 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:40:42,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:40:42,198 INFO L168 Benchmark]: Boogie Preprocessor took 20.07 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:40:42,198 INFO L168 Benchmark]: RCFGBuilder took 908.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:40:42,199 INFO L168 Benchmark]: CodeCheck took 11475.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:40:42,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.22 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.07 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 908.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * CodeCheck took 11475.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 18:40:44,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:40:44,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:40:44,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:40:44,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:40:44,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:40:44,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:40:44,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:40:44,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:40:44,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:40:44,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:40:44,589 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:40:44,590 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:40:44,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:40:44,592 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:40:44,592 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:40:44,593 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:40:44,594 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:40:44,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:40:44,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:40:44,601 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:40:44,601 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:40:44,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:40:44,604 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:40:44,604 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:40:44,604 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:40:44,605 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:40:44,606 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:40:44,606 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:40:44,607 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:40:44,607 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:40:44,608 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:40:44,608 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:40:44,608 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:40:44,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:40:44,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:40:44,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 18:40:44,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:40:44,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:40:44,631 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:40:44,631 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:40:44,632 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:40:44,632 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:40:44,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:40:44,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:40:44,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:40:44,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:40:44,633 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:40:44,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:40:44,634 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:40:44,634 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:40:44,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:40:44,634 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:40:44,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:40:44,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:40:44,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:40:44,635 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:40:44,635 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 18:40:44,635 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:40:44,635 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:40:44,635 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:40:44,635 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:40:44,635 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_9a58205f-0108-47e0-9cd1-db806df6ee95/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 -> d5d419a3a7f083f15010050e5cf28b10f30a132d [2018-11-18 18:40:44,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:40:44,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:40:44,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:40:44,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:40:44,740 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:40:44,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i [2018-11-18 18:40:44,806 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/870cafe25/e06dc3a597e6479cb707f845d91ccc3e/FLAGca619c9e2 [2018-11-18 18:40:45,196 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:40:45,196 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/sv-benchmarks/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i [2018-11-18 18:40:45,204 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/870cafe25/e06dc3a597e6479cb707f845d91ccc3e/FLAGca619c9e2 [2018-11-18 18:40:45,217 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/data/870cafe25/e06dc3a597e6479cb707f845d91ccc3e [2018-11-18 18:40:45,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:40:45,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:40:45,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:40:45,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:40:45,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:40:45,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406e4ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45, skipping insertion in model container [2018-11-18 18:40:45,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:40:45,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:40:45,442 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:40:45,447 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:40:45,466 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:40:45,480 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:40:45,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45 WrapperNode [2018-11-18 18:40:45,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:40:45,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:40:45,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:40:45,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:40:45,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:40:45,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:40:45,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:40:45,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:40:45,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... [2018-11-18 18:40:45,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:40:45,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:40:45,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:40:45,542 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:40:45,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:40:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:40:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:40:46,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:40:46,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:46 BoogieIcfgContainer [2018-11-18 18:40:46,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:40:46,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:40:46,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:40:46,312 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:40:46,312 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:46" (1/1) ... [2018-11-18 18:40:46,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:40:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-18 18:40:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-18 18:40:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:40:46,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:46,417 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:40:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:46,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:40:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:40:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 18:40:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 18:40:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 18:40:46,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:46,480 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:40:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:46,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:40:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:40:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 18:40:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 18:40:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:40:46,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:46,898 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:40:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:46,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:40:47,118 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 7 [2018-11-18 18:40:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:40:47,540 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-11-18 18:40:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:40:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-18 18:40:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-18 18:40:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:40:48,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:40:48,727 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:40:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:40:55,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:41:04,483 WARN L180 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2018-11-18 18:41:09,253 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 35 DAG size of output: 16 [2018-11-18 18:41:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:41:12,862 WARN L180 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-11-18 18:41:15,437 WARN L180 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 18:41:20,644 WARN L180 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-11-18 18:41:23,129 WARN L180 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 18:41:30,304 WARN L180 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 28 [2018-11-18 18:41:42,437 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 18:41:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:41:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-11-18 18:41:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-11-18 18:41:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:41:42,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:41:42,474 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:41:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:41:48,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:42:06,981 WARN L180 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 37 DAG size of output: 18 [2018-11-18 18:42:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:08,889 WARN L180 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-11-18 18:42:10,508 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-18 18:42:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-18 18:42:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-18 18:42:12,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:42:12,683 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-18 18:42:12,692 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:42:14,612 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 43 [2018-11-18 18:42:15,952 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 43 [2018-11-18 18:42:15,956 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:42:15,959 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 18:42:15,965 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:42:15,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:42:15 ImpRootNode [2018-11-18 18:42:15,967 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:42:15,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:42:15,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:42:15,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:42:15,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:46" (3/4) ... [2018-11-18 18:42:15,972 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:42:15,981 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 18:42:15,982 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 18:42:15,982 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:42:16,025 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a58205f-0108-47e0-9cd1-db806df6ee95/bin-2019/ukojak/witness.graphml [2018-11-18 18:42:16,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:42:16,026 INFO L168 Benchmark]: Toolchain (without parser) took 90805.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.2 MB in the beginning and 921.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 156.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:16,026 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:42:16,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.99 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:16,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.81 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:16,028 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:42:16,028 INFO L168 Benchmark]: RCFGBuilder took 760.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:16,029 INFO L168 Benchmark]: CodeCheck took 89665.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.2 MB in the end (delta: 164.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:16,029 INFO L168 Benchmark]: Witness Printer took 57.46 ms. Allocated memory is still 1.2 GB. Free memory was 928.2 MB in the beginning and 921.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:16,031 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, 17 locations, 1 error locations. SAFE Result, 86.3s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 92 SDslu, 120 SDs, 0 SdLazy, 428 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 338 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 58.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 12.7s SatisfiabilityAnalysisTime, 32.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 8 QuantifiedInterpolants, 3517 SizeOfPredicates, 21 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8/14 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: 6]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: y == a && ~bvsgt32(~sign_extendFrom8To32(y), 0bv32) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.99 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.81 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.83 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 760.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 89665.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.2 MB in the end (delta: 164.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.46 ms. Allocated memory is still 1.2 GB. Free memory was 928.2 MB in the beginning and 921.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...