./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id_b3_o5_true-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b3_o5_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/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 8d39666f7b9e3c393826226f879477647e7209cc ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:05:46,204 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:05:46,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:05:46,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:05:46,215 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:05:46,216 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:05:46,217 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:05:46,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:05:46,219 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:05:46,220 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:05:46,221 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:05:46,221 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:05:46,222 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:05:46,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:05:46,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:05:46,225 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:05:46,226 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:05:46,227 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:05:46,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:05:46,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:05:46,231 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:05:46,232 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:05:46,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:05:46,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:05:46,235 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:05:46,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:05:46,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:05:46,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:05:46,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:05:46,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:05:46,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:05:46,240 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:05:46,240 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:05:46,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:05:46,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:05:46,243 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:05:46,243 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:05:46,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:05:46,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:05:46,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:05:46,256 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:05:46,256 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:05:46,256 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:05:46,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:05:46,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:05:46,257 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:05:46,257 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:05:46,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:05:46,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:05:46,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:05:46,259 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:05:46,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:05:46,259 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:05:46,259 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:05:46,260 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:05:46,260 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:05:46,260 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:05:46,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:05:46,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:05:46,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:05:46,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:05:46,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:05:46,261 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:05:46,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:05:46,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:05:46,261 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_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2018-10-26 22:05:46,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:05:46,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:05:46,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:05:46,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:05:46,303 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:05:46,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2018-10-26 22:05:46,352 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/data/18a5e08a6/24cc01598f6e4321ae182cde032889d7/FLAG2bbaa6c76 [2018-10-26 22:05:46,698 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:05:46,698 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/sv-benchmarks/c/recursive-simple/id_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2018-10-26 22:05:46,703 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/data/18a5e08a6/24cc01598f6e4321ae182cde032889d7/FLAG2bbaa6c76 [2018-10-26 22:05:46,716 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/data/18a5e08a6/24cc01598f6e4321ae182cde032889d7 [2018-10-26 22:05:46,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:05:46,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:05:46,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:46,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:05:46,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:05:46,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4087c74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46, skipping insertion in model container [2018-10-26 22:05:46,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:05:46,753 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:05:46,862 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:46,865 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:05:46,875 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:46,884 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:05:46,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46 WrapperNode [2018-10-26 22:05:46,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:46,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:46,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:05:46,886 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:05:46,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:46,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:05:46,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:05:46,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:05:46,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... [2018-10-26 22:05:46,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:05:46,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:05:46,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:05:46,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:05:46,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/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 [2018-10-26 22:05:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:05:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:05:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-10-26 22:05:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-10-26 22:05:47,419 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:05:47,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:47 BoogieIcfgContainer [2018-10-26 22:05:47,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:05:47,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:05:47,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:05:47,431 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:05:47,431 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:47" (1/1) ... [2018-10-26 22:05:47,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:05:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-10-26 22:05:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-10-26 22:05:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 22:05:47,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:05:47,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-10-26 22:05:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-10-26 22:05:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:05:47,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:05:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-10-26 22:05:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-10-26 22:05:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 22:05:48,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:05:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2018-10-26 22:05:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-10-26 22:05:49,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:05:49,555 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-10-26 22:05:49,563 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:05:49,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:05:49 ImpRootNode [2018-10-26 22:05:49,623 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:05:49,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:05:49,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:05:49,624 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:05:49,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:47" (3/4) ... [2018-10-26 22:05:49,628 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:05:49,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-10-26 22:05:49,643 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 22:05:49,646 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:05:49,646 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:05:49,682 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb5c5ea2-2771-47ad-95c1-3bdca1ab1484/bin-2019/ukojak/witness.graphml [2018-10-26 22:05:49,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:05:49,683 INFO L168 Benchmark]: Toolchain (without parser) took 2963.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 954.4 MB in the beginning and 994.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:49,684 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:05:49,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.87 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:49,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.92 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:05:49,685 INFO L168 Benchmark]: Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:49,687 INFO L168 Benchmark]: RCFGBuilder took 490.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:49,687 INFO L168 Benchmark]: CodeCheck took 2203.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 145.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:49,688 INFO L168 Benchmark]: Witness Printer took 58.16 ms. Allocated memory is still 1.2 GB. Free memory was 998.1 MB in the beginning and 994.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:49,691 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 2 procedures, 17 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 28 SDslu, 48 SDs, 0 SdLazy, 200 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 281 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 1320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 9/18 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: 15]: 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.87 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.92 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 490.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2203.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 145.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. * Witness Printer took 58.16 ms. Allocated memory is still 1.2 GB. Free memory was 998.1 MB in the beginning and 994.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...