./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/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 9cd87c15c4637a3ecd407847e5a675763d5fece5 .................................................................................................................................................................................................................. 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_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/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 9cd87c15c4637a3ecd407847e5a675763d5fece5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 15:55:58,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:55:58,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:55:58,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:55:58,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:55:58,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:55:58,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:55:58,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:55:58,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:55:58,047 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:55:58,048 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:55:58,048 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:55:58,049 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:55:58,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:55:58,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:55:58,051 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:55:58,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:55:58,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:55:58,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:55:58,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:55:58,056 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:55:58,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:55:58,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:55:58,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:55:58,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:55:58,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:55:58,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:55:58,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:55:58,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:55:58,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:55:58,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:55:58,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:55:58,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:55:58,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:55:58,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:55:58,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:55:58,064 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:55:58,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:55:58,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:55:58,075 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:55:58,075 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:55:58,075 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:55:58,076 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:55:58,076 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:55:58,076 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:55:58,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:55:58,076 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:55:58,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:55:58,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:55:58,078 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:55:58,078 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:55:58,078 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:55:58,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:55:58,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:55:58,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:55:58,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:55:58,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:55:58,078 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:55:58,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:55:58,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:55:58,079 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_eff3e1d8-cecb-4f9c-94ee-37cd725af423/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 -> 9cd87c15c4637a3ecd407847e5a675763d5fece5 [2018-11-18 15:55:58,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:55:58,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:55:58,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:55:58,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:55:58,115 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:55:58,115 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-18 15:55:58,155 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/1b5046cf2/e101d99c3c104409bd5ec3125a0022f6/FLAG46307891d [2018-11-18 15:55:58,493 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:55:58,493 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-18 15:55:58,498 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/1b5046cf2/e101d99c3c104409bd5ec3125a0022f6/FLAG46307891d [2018-11-18 15:55:58,914 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/1b5046cf2/e101d99c3c104409bd5ec3125a0022f6 [2018-11-18 15:55:58,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:55:58,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:55:58,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:55:58,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:55:58,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:55:58,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:55:58" (1/1) ... [2018-11-18 15:55:58,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aedbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:58, skipping insertion in model container [2018-11-18 15:55:58,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:55:58" (1/1) ... [2018-11-18 15:55:58,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:55:58,942 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:55:59,040 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:55:59,042 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:55:59,052 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:55:59,060 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:55:59,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59 WrapperNode [2018-11-18 15:55:59,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:55:59,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:55:59,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:55:59,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:55:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:55:59,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:55:59,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:55:59,082 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:55:59,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:55:59,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:55:59,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:55:59,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:55:59,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:55:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2018-11-18 15:55:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2018-11-18 15:55:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:55:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:55:59,260 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:55:59,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:55:59 BoogieIcfgContainer [2018-11-18 15:55:59,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:55:59,261 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:55:59,261 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:55:59,267 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:55:59,268 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:55:59" (1/1) ... [2018-11-18 15:55:59,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:55:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 15:55:59,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 15:55:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:55:59,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:55:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:59,397 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 15:55:59,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:55:59 ImpRootNode [2018-11-18 15:55:59,415 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:55:59,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:55:59,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:55:59,415 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:55:59,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:55:59" (3/4) ... [2018-11-18 15:55:59,417 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:55:59,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:55:59,418 INFO L168 Benchmark]: Toolchain (without parser) took 501.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:59,420 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:59,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.34 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:59,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.04 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:59,422 INFO L168 Benchmark]: Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:59,422 INFO L168 Benchmark]: RCFGBuilder took 165.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:59,423 INFO L168 Benchmark]: CodeCheck took 153.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:59,424 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:59,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 34]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 31. Possible FailurePath: [L25] int n = __VERIFIER_nondet_int(); [L26] COND FALSE !(n < 1) [L29] CALL, EXPR hanoi(n) VAL [\old(n)=1] [L17] COND TRUE n == 1 [L18] RET return 1; VAL [\old(n)=1, \result=1, n=1] [L29] EXPR hanoi(n) [L29] unsigned result = hanoi(n); [L31] COND FALSE !(result+1>0 && result+1 == 1< main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/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 -> 9cd87c15c4637a3ecd407847e5a675763d5fece5 [2018-11-18 15:56:00,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:56:00,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:56:00,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:56:00,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:56:00,897 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:56:00,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-18 15:56:00,935 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/28eefd4f3/efd8bb79364346429f874169d45986e4/FLAGb6bacdeb4 [2018-11-18 15:56:01,233 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:56:01,233 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-18 15:56:01,237 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/28eefd4f3/efd8bb79364346429f874169d45986e4/FLAGb6bacdeb4 [2018-11-18 15:56:01,245 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/data/28eefd4f3/efd8bb79364346429f874169d45986e4 [2018-11-18 15:56:01,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:56:01,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:56:01,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:56:01,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:56:01,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:56:01,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687d7983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01, skipping insertion in model container [2018-11-18 15:56:01,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:56:01,276 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:56:01,405 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:56:01,408 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:56:01,420 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:56:01,432 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:56:01,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01 WrapperNode [2018-11-18 15:56:01,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:56:01,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:56:01,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:56:01,433 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:56:01,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:56:01,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:56:01,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:56:01,454 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:56:01,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:56:01,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:56:01,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:56:01,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:56:01,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:56:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2018-11-18 15:56:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2018-11-18 15:56:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:56:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:56:01,663 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:56:01,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:56:01 BoogieIcfgContainer [2018-11-18 15:56:01,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:56:01,664 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:56:01,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:56:01,671 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:56:01,672 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:56:01" (1/1) ... [2018-11-18 15:56:01,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 15:56:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 15:56:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:56:01,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:01,739 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:01,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 23 transitions. [2018-11-18 15:56:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-18 15:56:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:56:02,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:02,042 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:02,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 15:56:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 30 transitions. [2018-11-18 15:56:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-18 15:56:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 15:56:02,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:02,451 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:02,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:56:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 37 transitions. [2018-11-18 15:56:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-18 15:56:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 15:56:03,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:03,022 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:03,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:56:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 44 transitions. [2018-11-18 15:56:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2018-11-18 15:56:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 15:56:03,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:03,614 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:03,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:56:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 51 transitions. [2018-11-18 15:56:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2018-11-18 15:56:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 15:56:04,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:04,318 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:04,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 15:56:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 58 transitions. [2018-11-18 15:56:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2018-11-18 15:56:05,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:56:05,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:05,165 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:05,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 15:56:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 65 transitions. [2018-11-18 15:56:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-11-18 15:56:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:56:06,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:06,217 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:06,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 15:56:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 72 transitions. [2018-11-18 15:56:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-11-18 15:56:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:56:07,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:07,639 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:07,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 15:56:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 79 transitions. [2018-11-18 15:56:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2018-11-18 15:56:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 15:56:09,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:09,056 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:09,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 15:56:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 86 transitions. [2018-11-18 15:56:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2018-11-18 15:56:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 15:56:10,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:10,600 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:10,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 15:56:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 93 transitions. [2018-11-18 15:56:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-11-18 15:56:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 15:56:12,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:12,328 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:12,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 15:56:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 100 transitions. [2018-11-18 15:56:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-18 15:56:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 15:56:14,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:14,243 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:14,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-18 15:56:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 107 transitions. [2018-11-18 15:56:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-11-18 15:56:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 15:56:16,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:16,326 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:16,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-18 15:56:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 114 transitions. [2018-11-18 15:56:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-11-18 15:56:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 15:56:18,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:18,747 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:18,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-18 15:56:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 121 transitions. [2018-11-18 15:56:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2018-11-18 15:56:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 15:56:21,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:21,277 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:21,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-18 15:56:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 128 transitions. [2018-11-18 15:56:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2018-11-18 15:56:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:56:24,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:24,164 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:24,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-18 15:56:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 135 transitions. [2018-11-18 15:56:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2018-11-18 15:56:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 15:56:27,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:27,166 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:27,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-18 15:56:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 142 transitions. [2018-11-18 15:56:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2018-11-18 15:56:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:56:30,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:30,491 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:30,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-18 15:56:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 149 transitions. [2018-11-18 15:56:34,154 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2018-11-18 15:56:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 15:56:34,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:34,156 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:34,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-11-18 15:56:38,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 156 transitions. [2018-11-18 15:56:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2018-11-18 15:56:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 15:56:38,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:38,031 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:38,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-11-18 15:56:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 163 transitions. [2018-11-18 15:56:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2018-11-18 15:56:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 15:56:42,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:42,277 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:42,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-11-18 15:56:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 170 transitions. [2018-11-18 15:56:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2018-11-18 15:56:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 15:56:46,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:46,749 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:46,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-11-18 15:56:49,533 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-11-18 15:56:50,603 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-11-18 15:56:51,796 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-11-18 15:56:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 129 states and 177 transitions. [2018-11-18 15:56:51,811 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2018-11-18 15:56:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 15:56:51,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:51,812 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:51,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-11-18 15:56:53,588 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-11-18 15:56:54,236 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-11-18 15:56:54,768 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-11-18 15:56:55,323 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-11-18 15:56:55,915 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-11-18 15:56:56,472 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-11-18 15:56:57,298 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-11-18 15:56:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:56:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 184 transitions. [2018-11-18 15:56:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2018-11-18 15:56:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 15:56:57,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:56:57,313 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:56:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:57,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-11-18 15:56:58,598 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-11-18 15:56:59,232 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-11-18 15:56:59,878 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-11-18 15:57:00,434 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-11-18 15:57:01,008 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-11-18 15:57:01,617 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-18 15:57:02,131 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-18 15:57:02,989 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-11-18 15:57:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 191 transitions. [2018-11-18 15:57:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2018-11-18 15:57:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 15:57:03,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:03,004 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:03,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2018-11-18 15:57:04,316 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-18 15:57:04,982 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-11-18 15:57:05,659 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-11-18 15:57:06,262 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-11-18 15:57:06,887 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-11-18 15:57:07,578 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-11-18 15:57:08,155 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-11-18 15:57:09,074 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-11-18 15:57:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 198 transitions. [2018-11-18 15:57:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2018-11-18 15:57:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 15:57:09,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:09,091 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:09,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2018-11-18 15:57:10,643 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-11-18 15:57:11,389 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-11-18 15:57:12,103 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-11-18 15:57:12,757 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-11-18 15:57:13,417 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-11-18 15:57:14,124 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-11-18 15:57:14,698 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-11-18 15:57:15,717 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-11-18 15:57:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 205 transitions. [2018-11-18 15:57:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2018-11-18 15:57:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:57:15,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:15,732 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:15,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:16,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2018-11-18 15:57:17,225 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-11-18 15:57:18,019 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-11-18 15:57:18,774 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-11-18 15:57:19,465 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-11-18 15:57:20,152 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-11-18 15:57:20,895 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-11-18 15:57:21,511 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-11-18 15:57:22,583 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-11-18 15:57:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 212 transitions. [2018-11-18 15:57:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 212 transitions. [2018-11-18 15:57:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 15:57:22,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:22,599 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:22,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2018-11-18 15:57:24,323 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-11-18 15:57:24,996 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-11-18 15:57:25,773 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-11-18 15:57:26,526 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-11-18 15:57:27,257 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-11-18 15:57:28,067 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-11-18 15:57:28,728 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-11-18 15:57:29,862 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-11-18 15:57:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 219 transitions. [2018-11-18 15:57:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2018-11-18 15:57:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 15:57:29,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:29,879 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:29,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2018-11-18 15:57:31,522 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-11-18 15:57:32,262 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-11-18 15:57:33,169 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-11-18 15:57:34,043 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-11-18 15:57:34,811 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-11-18 15:57:35,667 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-11-18 15:57:36,347 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-11-18 15:57:37,611 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-11-18 15:57:37,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 164 states and 226 transitions. [2018-11-18 15:57:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 226 transitions. [2018-11-18 15:57:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:57:37,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:37,629 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:37,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2018-11-18 15:57:39,380 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-11-18 15:57:40,138 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-11-18 15:57:41,014 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-11-18 15:57:41,852 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-11-18 15:57:42,688 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2018-11-18 15:57:43,598 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-11-18 15:57:44,304 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-11-18 15:57:45,622 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-11-18 15:57:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:57:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 233 transitions. [2018-11-18 15:57:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2018-11-18 15:57:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 15:57:45,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:57:45,639 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:57:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:45,751 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2018-11-18 15:57:45,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:57:45 ImpRootNode [2018-11-18 15:57:45,789 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:57:45,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:57:45,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:57:45,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:57:45,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:56:01" (3/4) ... [2018-11-18 15:57:45,791 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:57:45,843 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eff3e1d8-cecb-4f9c-94ee-37cd725af423/bin-2019/ukojak/witness.graphml [2018-11-18 15:57:45,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:57:45,844 INFO L168 Benchmark]: Toolchain (without parser) took 104597.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.0 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:45,845 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:57:45,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:45,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.00 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. [2018-11-18 15:57:45,846 INFO L168 Benchmark]: Boogie Preprocessor took 12.01 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:57:45,846 INFO L168 Benchmark]: RCFGBuilder took 197.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:45,846 INFO L168 Benchmark]: CodeCheck took 104125.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:45,846 INFO L168 Benchmark]: Witness Printer took 53.85 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.4 kB). Peak memory consumption was 11.4 kB. Max. memory is 11.5 GB. [2018-11-18 15:57:45,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. UNSAFE Result, 104.0s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2147483648 SDtfs, -4 SDslu, 2147483640 SDs, 0 SdLazy, 1073741578 SolverSat, 1073741610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24937 GetRequests, 23084 SyntacticMatches, 1365 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111716 ImplicationChecksByTransitivity, 96.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 3296 NumberOfCodeBlocks, 3296 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3069 ConstructedInterpolants, 0 QuantifiedInterpolants, 2427018 SizeOfPredicates, 558 NumberOfNonLiveVariables, 4185 ConjunctsInSsa, 2108 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 14415/28830 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: 34]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] int n = __VERIFIER_nondet_int(); [L26] COND FALSE !(n < 1) [L29] CALL, EXPR hanoi(n) VAL [\old(n)=32] [L17] COND FALSE !(n == 1) VAL [\old(n)=32, n=32] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=31] [L17] COND FALSE !(n == 1) VAL [\old(n)=31, n=31] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=30] [L17] COND FALSE !(n == 1) VAL [\old(n)=30, n=30] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=29] [L17] COND FALSE !(n == 1) VAL [\old(n)=29, n=29] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=28] [L17] COND FALSE !(n == 1) VAL [\old(n)=28, n=28] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=27] [L17] COND FALSE !(n == 1) VAL [\old(n)=27, n=27] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=26] [L17] COND FALSE !(n == 1) VAL [\old(n)=26, n=26] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=25] [L17] COND FALSE !(n == 1) VAL [\old(n)=25, n=25] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=24] [L17] COND FALSE !(n == 1) VAL [\old(n)=24, n=24] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=23] [L17] COND FALSE !(n == 1) VAL [\old(n)=23, n=23] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=22] [L17] COND FALSE !(n == 1) VAL [\old(n)=22, n=22] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=21] [L17] COND FALSE !(n == 1) VAL [\old(n)=21, n=21] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=20] [L17] COND FALSE !(n == 1) VAL [\old(n)=20, n=20] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=19] [L17] COND FALSE !(n == 1) VAL [\old(n)=19, n=19] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=18] [L17] COND FALSE !(n == 1) VAL [\old(n)=18, n=18] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=17] [L17] COND FALSE !(n == 1) VAL [\old(n)=17, n=17] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=16] [L17] COND FALSE !(n == 1) VAL [\old(n)=16, n=16] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=15] [L17] COND FALSE !(n == 1) VAL [\old(n)=15, n=15] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=14] [L17] COND FALSE !(n == 1) VAL [\old(n)=14, n=14] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=13] [L17] COND FALSE !(n == 1) VAL [\old(n)=13, n=13] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=12] [L17] COND FALSE !(n == 1) VAL [\old(n)=12, n=12] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=11] [L17] COND FALSE !(n == 1) VAL [\old(n)=11, n=11] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=10] [L17] COND FALSE !(n == 1) VAL [\old(n)=10, n=10] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=9] [L17] COND FALSE !(n == 1) VAL [\old(n)=9, n=9] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=8] [L17] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=7] [L17] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=6] [L17] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=5] [L17] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=4] [L17] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=3] [L17] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=2] [L17] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L20] CALL, EXPR hanoi(n-1) VAL [\old(n)=1] [L17] COND TRUE n == 1 [L18] RET return 1; VAL [\old(n)=1, \result=1, n=1] [L20] EXPR hanoi(n-1) VAL [\old(n)=2, hanoi(n-1)=1, n=2] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=3, hanoi(n-1)=3, n=3] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=4, hanoi(n-1)=7, n=4] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=5, hanoi(n-1)=15, n=5] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=6, hanoi(n-1)=31, n=6] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=7, hanoi(n-1)=63, n=7] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=8, hanoi(n-1)=127, n=8] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=9, hanoi(n-1)=255, n=9] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=10, hanoi(n-1)=511, n=10] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=11, hanoi(n-1)=1023, n=11] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=12, hanoi(n-1)=2047, n=12] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=13, hanoi(n-1)=4095, n=13] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=14, hanoi(n-1)=8191, n=14] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=15, hanoi(n-1)=16383, n=15] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=16, hanoi(n-1)=32767, n=16] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=17, hanoi(n-1)=65535, n=17] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=18, hanoi(n-1)=131071, n=18] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=19, hanoi(n-1)=262143, n=19] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=20, hanoi(n-1)=524287, n=20] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=21, hanoi(n-1)=1048575, n=21] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=22, hanoi(n-1)=2097151, n=22] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=23, hanoi(n-1)=4194303, n=23] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=24, hanoi(n-1)=8388607, n=24] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=25, hanoi(n-1)=16777215, n=25] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=26, hanoi(n-1)=33554431, n=26] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=27, hanoi(n-1)=67108863, n=27] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=28, hanoi(n-1)=134217727, n=28] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=29, hanoi(n-1)=268435455, n=29] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=30, hanoi(n-1)=536870911, n=30] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=31, hanoi(n-1)=1073741823, n=31] [L20] RET return 2 * (hanoi(n-1)) + 1; [L20] EXPR hanoi(n-1) VAL [\old(n)=32, hanoi(n-1)=2147483647, n=32] [L20] RET return 2 * (hanoi(n-1)) + 1; [L29] EXPR hanoi(n) [L29] unsigned result = hanoi(n); [L31] COND FALSE !(result+1>0 && result+1 == 1<