./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/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 d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:18:09,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:09,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:09,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:09,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:09,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:09,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:09,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:09,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:09,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:09,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:09,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:09,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:09,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:09,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:09,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:09,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:09,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:09,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:09,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:09,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:09,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:09,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:09,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:09,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:09,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:09,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:09,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:09,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:09,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:09,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:09,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:09,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:09,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:09,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:09,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:09,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:09,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:09,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:09,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:09,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:09,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:18:09,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:09,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:09,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:18:09,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:18:09,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:09,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:09,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:09,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:09,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:09,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:09,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:09,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:18:09,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:09,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:18:09,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:09,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:18:09,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:09,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:18:09,602 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:09,602 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:09,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:09,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:09,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:09,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:09,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:09,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:18:09,603 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:09,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:09,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:18:09,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/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 -> d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd [2019-10-22 10:18:09,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:09,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:09,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:09,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:09,659 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:09,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2019-10-22 10:18:09,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/data/bd6b25abc/d67daedaa3894cc0abc0f377597855a4/FLAGc574df142 [2019-10-22 10:18:10,098 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:10,099 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2019-10-22 10:18:10,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/data/bd6b25abc/d67daedaa3894cc0abc0f377597855a4/FLAGc574df142 [2019-10-22 10:18:10,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/data/bd6b25abc/d67daedaa3894cc0abc0f377597855a4 [2019-10-22 10:18:10,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:10,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:10,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:10,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:10,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:10,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507f713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10, skipping insertion in model container [2019-10-22 10:18:10,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,137 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:10,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:10,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:10,310 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:10,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:10,403 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:10,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10 WrapperNode [2019-10-22 10:18:10,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:10,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:10,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:10,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:10,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:10,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:10,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:10,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:10,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:10,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:10,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:10,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:10,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/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 [2019-10-22 10:18:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-10-22 10:18:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-10-22 10:18:10,607 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:10,608 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:18:10,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:10 BoogieIcfgContainer [2019-10-22 10:18:10,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:10,609 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:10,609 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:10,620 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:10,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:10" (1/1) ... [2019-10-22 10:18:10,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:10,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-10-22 10:18:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-10-22 10:18:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:18:10,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2019-10-22 10:18:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-10-22 10:18:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:18:10,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2019-10-22 10:18:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-10-22 10:18:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:18:11,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:18:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2019-10-22 10:18:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-10-22 10:18:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:18:11,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2019-10-22 10:18:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2019-10-22 10:18:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:18:11,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:18:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2019-10-22 10:18:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2019-10-22 10:18:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:11,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-22 10:18:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2019-10-22 10:18:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2019-10-22 10:18:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:11,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-22 10:18:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2019-10-22 10:18:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2019-10-22 10:18:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:18:12,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-10-22 10:18:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2019-10-22 10:18:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2019-10-22 10:18:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:18:12,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-22 10:18:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2019-10-22 10:18:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2019-10-22 10:18:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:18:12,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-22 10:18:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 43 states and 99 transitions. [2019-10-22 10:18:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2019-10-22 10:18:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-22 10:18:12,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-10-22 10:18:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 77 states and 244 transitions. [2019-10-22 10:18:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 244 transitions. [2019-10-22 10:18:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:18:18,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-10-22 10:18:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 44 states and 46 transitions. [2019-10-22 10:18:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2019-10-22 10:18:21,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:18:21,379 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-10-22 10:18:21,387 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:18:21,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:18:21 ImpRootNode [2019-10-22 10:18:21,600 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:18:21,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:18:21,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:18:21,601 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:18:21,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:10" (3/4) ... [2019-10-22 10:18:21,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:18:21,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-10-22 10:18:21,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:18:21,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:18:21,644 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_821ce04b-905c-4ae1-9682-57bb8ecd4d06/bin/ukojak/witness.graphml [2019-10-22 10:18:21,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:18:21,646 INFO L168 Benchmark]: Toolchain (without parser) took 11527.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 362.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,646 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:21,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,648 INFO L168 Benchmark]: Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,648 INFO L168 Benchmark]: RCFGBuilder took 165.44 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,649 INFO L168 Benchmark]: CodeCheck took 10990.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,649 INFO L168 Benchmark]: Witness Printer took 43.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:21,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 10.7s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28680 SDtfs, 26692 SDslu, 43136 SDs, 0 SdLazy, 125832 SolverSat, 25648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6846 GetRequests, 6374 SyntacticMatches, 272 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15264 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 71424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 979/1584 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 165.44 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10990.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...