./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id_o20_false-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_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/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 d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 ....................................................................................................................................................................................................................................................................................................................................... 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_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/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 d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:50:23,743 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:50:23,744 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:50:23,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:50:23,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:50:23,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:50:23,754 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:50:23,755 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:50:23,757 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:50:23,757 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:50:23,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:50:23,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:50:23,758 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:50:23,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:50:23,760 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:50:23,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:50:23,761 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:50:23,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:50:23,763 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:50:23,764 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:50:23,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:50:23,765 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:50:23,766 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:50:23,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:50:23,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:50:23,767 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:50:23,768 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:50:23,768 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:50:23,769 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:50:23,770 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:50:23,770 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:50:23,770 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:50:23,770 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:50:23,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:50:23,771 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:50:23,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:50:23,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 09:50:23,781 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:50:23,781 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:50:23,782 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:50:23,782 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:50:23,782 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:50:23,783 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:50:23,783 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:50:23,783 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:50:23,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:50:23,783 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:50:23,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:50:23,783 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:50:23,784 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:50:23,784 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:50:23,784 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:50:23,784 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:50:23,784 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:50:23,784 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:50:23,784 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:50:23,784 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:50:23,785 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:50:23,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:50:23,786 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_a3c00059-e906-4b44-bb71-85d6da4f0921/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 -> d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 [2018-11-10 09:50:23,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:50:23,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:50:23,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:50:23,821 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:50:23,821 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:50:23,821 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-10 09:50:23,866 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/27cb344c6/dc2c39336c834c22bd53dc6f261fb1e0/FLAG33a8ffc82 [2018-11-10 09:50:24,200 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:50:24,201 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-10 09:50:24,204 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/27cb344c6/dc2c39336c834c22bd53dc6f261fb1e0/FLAG33a8ffc82 [2018-11-10 09:50:24,212 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/27cb344c6/dc2c39336c834c22bd53dc6f261fb1e0 [2018-11-10 09:50:24,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:50:24,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:50:24,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:50:24,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:50:24,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:50:24,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0d3238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24, skipping insertion in model container [2018-11-10 09:50:24,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:50:24,235 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:50:24,319 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:50:24,321 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:50:24,329 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:50:24,337 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:50:24,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24 WrapperNode [2018-11-10 09:50:24,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:50:24,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:50:24,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:50:24,338 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:50:24,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:50:24,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:50:24,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:50:24,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:50:24,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:50:24,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:50:24,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:50:24,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:50:24,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:50:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/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 [2018-11-10 09:50:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:50:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:50:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-10 09:50:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-10 09:50:24,563 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:50:24,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:50:24 BoogieIcfgContainer [2018-11-10 09:50:24,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:50:24,564 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:50:24,564 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:50:24,571 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:50:24,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:50:24" (1/1) ... [2018-11-10 09:50:24,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:50:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 09:50:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 09:50:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 09:50:24,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:50:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 09:50:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 09:50:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 09:50:24,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 09:50:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-11-10 09:50:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-10 09:50:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 09:50:25,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:50:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-11-10 09:50:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-11-10 09:50:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 09:50:25,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 09:50:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:26,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-11-10 09:50:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-11-10 09:50:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 09:50:26,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:50:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2018-11-10 09:50:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-11-10 09:50:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 09:50:26,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 09:50:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2018-11-10 09:50:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-10 09:50:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 09:50:27,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 09:50:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2018-11-10 09:50:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-10 09:50:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 09:50:28,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-10 09:50:28,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-11-10 09:50:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-11-10 09:50:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 09:50:28,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 09:50:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2018-11-10 09:50:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-11-10 09:50:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 09:50:30,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 09:50:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-11-10 09:50:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-11-10 09:50:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 09:50:31,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-10 09:50:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2018-11-10 09:50:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2018-11-10 09:50:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 09:50:32,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-10 09:50:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2018-11-10 09:50:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2018-11-10 09:50:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 09:50:34,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-10 09:50:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2018-11-10 09:50:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2018-11-10 09:50:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 09:50:36,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-10 09:50:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2018-11-10 09:50:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-10 09:50:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 09:50:37,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-10 09:50:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-11-10 09:50:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-11-10 09:50:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 09:50:39,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-10 09:50:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2018-11-10 09:50:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2018-11-10 09:50:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 09:50:42,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-10 09:50:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2018-11-10 09:50:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-11-10 09:50:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 09:50:44,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-10 09:50:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2018-11-10 09:50:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-11-10 09:50:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 09:50:47,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-10 09:50:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 108 states and 129 transitions. [2018-11-10 09:50:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-10 09:50:50,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 09:50:50,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:50:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-11-10 09:50:52,549 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-11-10 09:50:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:50:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 113 states and 135 transitions. [2018-11-10 09:50:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 135 transitions. [2018-11-10 09:50:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 09:50:53,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:50:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:50:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:51:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 09:51:04,270 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:508) 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) [2018-11-10 09:51:04,272 INFO L168 Benchmark]: Toolchain (without parser) took 40057.35 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 561.5 MB). Free memory was 960.2 MB in the beginning and 1.5 GB in the end (delta: -549.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:04,273 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 09:51:04,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.74 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:04,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.99 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:51:04,274 INFO L168 Benchmark]: Boogie Preprocessor took 11.10 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 945.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:04,274 INFO L168 Benchmark]: RCFGBuilder took 193.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:04,275 INFO L168 Benchmark]: CodeCheck took 39707.33 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 418.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -378.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:04,278 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:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.74 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.99 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.10 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 945.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 39707.33 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 418.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -378.4 MB). Peak memory consumption was 40.5 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 0.1.23-1dbac8b [2018-11-10 09:51:05,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:51:05,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:51:05,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:51:05,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:51:05,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:51:05,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:51:05,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:51:05,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:51:05,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:51:05,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:51:05,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:51:05,661 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:51:05,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:51:05,662 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:51:05,663 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:51:05,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:51:05,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:51:05,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:51:05,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:51:05,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:51:05,669 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:51:05,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:51:05,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:51:05,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:51:05,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:51:05,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:51:05,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:51:05,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:51:05,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:51:05,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:51:05,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:51:05,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:51:05,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:51:05,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:51:05,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:51:05,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 09:51:05,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:51:05,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:51:05,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:51:05,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:51:05,690 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:51:05,690 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:51:05,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:51:05,690 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:51:05,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:51:05,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:51:05,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:51:05,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:51:05,691 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:51:05,691 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:51:05,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:51:05,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:51:05,692 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 09:51:05,694 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 09:51:05,694 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_a3c00059-e906-4b44-bb71-85d6da4f0921/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 -> d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 [2018-11-10 09:51:05,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:51:05,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:51:05,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:51:05,733 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:51:05,733 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:51:05,734 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-10 09:51:05,769 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/99b135968/012532b4bb7344669134ea75cb79af95/FLAG142fd02ac [2018-11-10 09:51:06,105 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:51:06,106 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-10 09:51:06,111 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/99b135968/012532b4bb7344669134ea75cb79af95/FLAG142fd02ac [2018-11-10 09:51:06,122 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/data/99b135968/012532b4bb7344669134ea75cb79af95 [2018-11-10 09:51:06,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:51:06,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:51:06,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:51:06,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:51:06,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:51:06,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412f3dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06, skipping insertion in model container [2018-11-10 09:51:06,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:51:06,155 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:51:06,264 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:51:06,268 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:51:06,280 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:51:06,291 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:51:06,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06 WrapperNode [2018-11-10 09:51:06,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:51:06,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:51:06,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:51:06,292 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:51:06,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:51:06,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:51:06,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:51:06,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:51:06,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:51:06,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:51:06,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:51:06,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:51:06,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/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 [2018-11-10 09:51:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:51:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:51:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-10 09:51:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-10 09:51:06,524 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:51:06,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:51:06 BoogieIcfgContainer [2018-11-10 09:51:06,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:51:06,525 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:51:06,525 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:51:06,534 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:51:06,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:51:06" (1/1) ... [2018-11-10 09:51:06,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:51:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 09:51:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 09:51:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 09:51:06,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:06,605 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:06,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:51:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 09:51:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 09:51:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 09:51:06,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:06,734 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:06,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 09:51:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-11-10 09:51:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-10 09:51:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 09:51:07,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:07,035 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:07,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:51:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-11-10 09:51:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-11-10 09:51:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 09:51:07,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:07,526 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:07,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 09:51:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-11-10 09:51:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-11-10 09:51:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 09:51:07,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:07,988 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:08,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:51:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2018-11-10 09:51:08,557 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-11-10 09:51:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 09:51:08,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:08,559 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:08,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 09:51:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2018-11-10 09:51:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-10 09:51:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 09:51:09,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:09,217 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:09,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 09:51:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2018-11-10 09:51:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-10 09:51:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 09:51:10,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:10,013 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:10,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-10 09:51:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-11-10 09:51:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-11-10 09:51:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 09:51:11,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:11,004 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:11,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 09:51:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2018-11-10 09:51:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-11-10 09:51:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 09:51:12,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:12,342 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:12,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 09:51:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-11-10 09:51:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-11-10 09:51:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 09:51:13,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:13,853 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:13,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-10 09:51:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2018-11-10 09:51:15,343 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2018-11-10 09:51:15,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 09:51:15,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:15,345 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:15,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-10 09:51:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2018-11-10 09:51:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2018-11-10 09:51:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 09:51:17,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:17,027 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:17,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-10 09:51:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2018-11-10 09:51:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2018-11-10 09:51:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 09:51:18,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:18,844 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:18,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-10 09:51:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2018-11-10 09:51:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-10 09:51:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 09:51:20,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:20,876 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:20,897 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-10 09:51:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-11-10 09:51:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-11-10 09:51:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 09:51:23,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:23,155 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:23,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-10 09:51:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2018-11-10 09:51:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2018-11-10 09:51:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 09:51:25,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:25,565 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:25,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-10 09:51:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2018-11-10 09:51:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-11-10 09:51:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 09:51:28,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:28,426 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:28,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-10 09:51:31,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2018-11-10 09:51:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-11-10 09:51:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 09:51:31,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:31,412 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:31,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-10 09:51:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 108 states and 129 transitions. [2018-11-10 09:51:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-10 09:51:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 09:51:34,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:34,747 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:51:34,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:51:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-11-10 09:51:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:51:38,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 113 states and 135 transitions. [2018-11-10 09:51:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 135 transitions. [2018-11-10 09:51:38,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 09:51:38,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:51:38,119 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:51:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:51:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:51:38,203 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2018-11-10 09:51:38,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:51:38 ImpRootNode [2018-11-10 09:51:38,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:51:38,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:51:38,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:51:38,239 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:51:38,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:51:06" (3/4) ... [2018-11-10 09:51:38,241 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 09:51:38,308 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3c00059-e906-4b44-bb71-85d6da4f0921/bin-2019/ukojak/witness.graphml [2018-11-10 09:51:38,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:51:38,309 INFO L168 Benchmark]: Toolchain (without parser) took 32183.44 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 464.5 MB). Free memory was 950.8 MB in the beginning and 883.6 MB in the end (delta: 67.2 MB). Peak memory consumption was 531.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:38,310 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 09:51:38,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:38,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.42 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:51:38,312 INFO L168 Benchmark]: Boogie Preprocessor took 12.55 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:38,312 INFO L168 Benchmark]: RCFGBuilder took 195.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:38,313 INFO L168 Benchmark]: CodeCheck took 31713.49 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 343.9 MB). Free memory was 1.1 GB in the beginning and 883.6 MB in the end (delta: 222.2 MB). Peak memory consumption was 566.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:51:38,313 INFO L168 Benchmark]: Witness Printer took 69.84 ms. Allocated memory is still 1.5 GB. Free memory is still 883.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:51:38,316 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, 16 locations, 1 error locations. UNSAFE Result, 31.6s OverallTime, 21 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7340032 SDtfs, 3145724 SDslu, 5242872 SDs, 0 SdLazy, 27262936 SolverSat, 13631468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7895 GetRequests, 7529 SyntacticMatches, 58 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43768 ImplicationChecksByTransitivity, 30.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1449 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1300 ConstructedInterpolants, 0 QuantifiedInterpolants, 266864 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1800 ConjunctsInSsa, 460 ConjunctsInUnsatCore, 20 InterpolantComputations, 1 PerfectInterpolantSequences, 3800/7600 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 - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] unsigned int input = __VERIFIER_nondet_uint(); [L11] CALL, EXPR id(input) VAL [\old(x)=20] [L5] COND FALSE !(x==0) VAL [\old(x)=20, x=20] [L6] CALL, EXPR id(x-1) VAL [\old(x)=19] [L5] COND FALSE !(x==0) VAL [\old(x)=19, x=19] [L6] CALL, EXPR id(x-1) VAL [\old(x)=18] [L5] COND FALSE !(x==0) VAL [\old(x)=18, x=18] [L6] CALL, EXPR id(x-1) VAL [\old(x)=17] [L5] COND FALSE !(x==0) VAL [\old(x)=17, x=17] [L6] CALL, EXPR id(x-1) VAL [\old(x)=16] [L5] COND FALSE !(x==0) VAL [\old(x)=16, x=16] [L6] CALL, EXPR id(x-1) VAL [\old(x)=15] [L5] COND FALSE !(x==0) VAL [\old(x)=15, x=15] [L6] CALL, EXPR id(x-1) VAL [\old(x)=14] [L5] COND FALSE !(x==0) VAL [\old(x)=14, x=14] [L6] CALL, EXPR id(x-1) VAL [\old(x)=13] [L5] COND FALSE !(x==0) VAL [\old(x)=13, x=13] [L6] CALL, EXPR id(x-1) VAL [\old(x)=12] [L5] COND FALSE !(x==0) VAL [\old(x)=12, x=12] [L6] CALL, EXPR id(x-1) VAL [\old(x)=11] [L5] COND FALSE !(x==0) VAL [\old(x)=11, x=11] [L6] CALL, EXPR id(x-1) VAL [\old(x)=10] [L5] COND FALSE !(x==0) VAL [\old(x)=10, x=10] [L6] CALL, EXPR id(x-1) VAL [\old(x)=9] [L5] COND FALSE !(x==0) VAL [\old(x)=9, x=9] [L6] CALL, EXPR id(x-1) VAL [\old(x)=8] [L5] COND FALSE !(x==0) VAL [\old(x)=8, x=8] [L6] CALL, EXPR id(x-1) VAL [\old(x)=7] [L5] COND FALSE !(x==0) VAL [\old(x)=7, x=7] [L6] CALL, EXPR id(x-1) VAL [\old(x)=6] [L5] COND FALSE !(x==0) VAL [\old(x)=6, x=6] [L6] CALL, EXPR id(x-1) VAL [\old(x)=5] [L5] COND FALSE !(x==0) VAL [\old(x)=5, x=5] [L6] CALL, EXPR id(x-1) VAL [\old(x)=4] [L5] COND FALSE !(x==0) VAL [\old(x)=4, x=4] [L6] CALL, EXPR id(x-1) VAL [\old(x)=3] [L5] COND FALSE !(x==0) VAL [\old(x)=3, x=3] [L6] CALL, EXPR id(x-1) VAL [\old(x)=2] [L5] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L6] CALL, EXPR id(x-1) VAL [\old(x)=1] [L5] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L6] CALL, EXPR id(x-1) VAL [\old(x)=0] [L5] COND TRUE x==0 [L5] RET return 0; VAL [\old(x)=0, \result=0, x=0] [L6] EXPR id(x-1) VAL [\old(x)=1, id(x-1)=0, x=1] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=2, id(x-1)=1, x=2] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=3, id(x-1)=2, x=3] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=4, id(x-1)=3, x=4] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=5, id(x-1)=4, x=5] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=6, id(x-1)=5, x=6] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=7, id(x-1)=6, x=7] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=8, id(x-1)=7, x=8] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=9, id(x-1)=8, x=9] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=10, id(x-1)=9, x=10] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=11, id(x-1)=10, x=11] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=12, id(x-1)=11, x=12] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=13, id(x-1)=12, x=13] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=14, id(x-1)=13, x=14] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=15, id(x-1)=14, x=15] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=16, id(x-1)=15, x=16] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=17, id(x-1)=16, x=17] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=18, id(x-1)=17, x=18] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=19, id(x-1)=18, x=19] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=20, id(x-1)=19, x=20] [L6] RET return id(x-1) + 1; [L11] EXPR id(input) [L11] unsigned int result = id(input); [L12] COND TRUE result == 20 [L13] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 164.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 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 24.42 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.55 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 31713.49 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 343.9 MB). Free memory was 1.1 GB in the beginning and 883.6 MB in the end (delta: 222.2 MB). Peak memory consumption was 566.1 MB. Max. memory is 11.5 GB. * Witness Printer took 69.84 ms. Allocated memory is still 1.5 GB. Free memory is still 883.6 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...