./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/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_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/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_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/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_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/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 0.1.23-1dbac8b [2018-11-10 06:25:31,395 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:25:31,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:25:31,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:25:31,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:25:31,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:25:31,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:25:31,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:25:31,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:25:31,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:25:31,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:25:31,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:25:31,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:25:31,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:25:31,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:25:31,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:25:31,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:25:31,415 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:25:31,416 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:25:31,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:25:31,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:25:31,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:25:31,420 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:25:31,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:25:31,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:25:31,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:25:31,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:25:31,422 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:25:31,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:25:31,423 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:25:31,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:25:31,424 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:25:31,424 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:25:31,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:25:31,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:25:31,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:25:31,426 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 06:25:31,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:25:31,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:25:31,436 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:25:31,436 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:25:31,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:25:31,437 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:25:31,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:25:31,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:25:31,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:25:31,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:25:31,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:25:31,437 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:25:31,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:25:31,438 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:25:31,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:25:31,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:25:31,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:25:31,438 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:25:31,438 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:25:31,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:25:31,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:25:31,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:25:31,440 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_fd722359-5cca-4798-99f4-8112098d4934/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 [2018-11-10 06:25:31,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:25:31,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:25:31,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:25:31,476 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:25:31,476 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:25:31,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-10 06:25:31,521 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/f4739416c/21478276ee23454a83fb2e1cdc359594/FLAG3552a5f2c [2018-11-10 06:25:31,920 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:25:31,921 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-10 06:25:31,925 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/f4739416c/21478276ee23454a83fb2e1cdc359594/FLAG3552a5f2c [2018-11-10 06:25:31,933 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/f4739416c/21478276ee23454a83fb2e1cdc359594 [2018-11-10 06:25:31,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:25:31,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:25:31,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:25:31,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:25:31,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:25:31,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:31" (1/1) ... [2018-11-10 06:25:31,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:31, skipping insertion in model container [2018-11-10 06:25:31,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:31" (1/1) ... [2018-11-10 06:25:31,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:25:31,960 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:25:32,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:25:32,058 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:25:32,067 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:25:32,075 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:25:32,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32 WrapperNode [2018-11-10 06:25:32,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:25:32,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:25:32,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:25:32,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:25:32,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:25:32,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:25:32,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:25:32,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:25:32,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:25:32,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:25:32,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:25:32,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:25:32,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/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 06:25:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2018-11-10 06:25:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2018-11-10 06:25:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:25:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:25:32,304 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:25:32,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:25:32 BoogieIcfgContainer [2018-11-10 06:25:32,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:25:32,305 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:25:32,305 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:25:32,315 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:25:32,315 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:25:32" (1/1) ... [2018-11-10 06:25:32,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:25:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 06:25:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 06:25:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 06:25:32,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:25:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:25:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:25:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:25:32,483 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 06:25:32,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:25:32 ImpRootNode [2018-11-10 06:25:32,506 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:25:32,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:25:32,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:25:32,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:25:32,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:25:32" (3/4) ... [2018-11-10 06:25:32,510 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 06:25:32,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:25:32,511 INFO L168 Benchmark]: Toolchain (without parser) took 574.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -128.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:25:32,512 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:25:32,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.16 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:25:32,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.86 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:25:32,515 INFO L168 Benchmark]: Boogie Preprocessor took 10.89 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:25:32,516 INFO L168 Benchmark]: RCFGBuilder took 197.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:25:32,517 INFO L168 Benchmark]: CodeCheck took 201.53 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:25:32,518 INFO L168 Benchmark]: Witness Printer took 3.65 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. [2018-11-10 06:25:32,520 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_fd722359-5cca-4798-99f4-8112098d4934/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 [2018-11-10 06:25:33,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:25:33,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:25:34,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:25:34,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:25:34,002 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:25:34,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/../../sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-10 06:25:34,039 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/e3645d0d1/e768c113184240a7aecfb339c81a7a3c/FLAGc743f6ff3 [2018-11-10 06:25:34,347 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:25:34,348 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/sv-benchmarks/c/bitvector-regression/recHanoi03_false-unreach-call_true-termination.c [2018-11-10 06:25:34,352 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/e3645d0d1/e768c113184240a7aecfb339c81a7a3c/FLAGc743f6ff3 [2018-11-10 06:25:34,361 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/data/e3645d0d1/e768c113184240a7aecfb339c81a7a3c [2018-11-10 06:25:34,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:25:34,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:25:34,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:25:34,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:25:34,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:25:34,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc3db40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34, skipping insertion in model container [2018-11-10 06:25:34,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:25:34,387 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:25:34,486 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:25:34,489 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:25:34,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:25:34,508 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:25:34,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34 WrapperNode [2018-11-10 06:25:34,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:25:34,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:25:34,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:25:34,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:25:34,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:25:34,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:25:34,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:25:34,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:25:34,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:25:34,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:25:34,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:25:34,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:25:34,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/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 06:25:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2018-11-10 06:25:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2018-11-10 06:25:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:25:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:25:34,737 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:25:34,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:25:34 BoogieIcfgContainer [2018-11-10 06:25:34,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:25:34,738 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:25:34,738 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:25:34,747 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:25:34,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:25:34" (1/1) ... [2018-11-10 06:25:34,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:25:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 06:25:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 06:25:34,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 06:25:34,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:34,826 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:34,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:34,953 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 06:25:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 23 transitions. [2018-11-10 06:25:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-10 06:25:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 06:25:35,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:35,139 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:35,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:35,312 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 06:25:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 30 transitions. [2018-11-10 06:25:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-10 06:25:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 06:25:35,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:35,725 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:35,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:35,844 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 06:25:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:36,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 37 transitions. [2018-11-10 06:25:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-10 06:25:36,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 06:25:36,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:36,245 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:36,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:36,376 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 06:25:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 44 transitions. [2018-11-10 06:25:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2018-11-10 06:25:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 06:25:36,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:36,843 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:36,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:36,995 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 06:25:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 51 transitions. [2018-11-10 06:25:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2018-11-10 06:25:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 06:25:37,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:37,524 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:37,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:37,700 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 06:25:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 58 transitions. [2018-11-10 06:25:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2018-11-10 06:25:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 06:25:38,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:38,369 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:38,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:38,579 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 06:25:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 65 transitions. [2018-11-10 06:25:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-11-10 06:25:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 06:25:39,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:39,437 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:39,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:39,684 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 06:25:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 72 transitions. [2018-11-10 06:25:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-11-10 06:25:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 06:25:40,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:40,852 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:40,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:41,205 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 06:25:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 79 transitions. [2018-11-10 06:25:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2018-11-10 06:25:42,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 06:25:42,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:42,285 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:42,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:42,558 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 06:25:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 86 transitions. [2018-11-10 06:25:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2018-11-10 06:25:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 06:25:43,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:43,810 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:43,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:44,171 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 06:25:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 93 transitions. [2018-11-10 06:25:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-11-10 06:25:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 06:25:45,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:45,571 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:45,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:45,892 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 06:25:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 100 transitions. [2018-11-10 06:25:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-10 06:25:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 06:25:47,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:47,468 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:47,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:47,822 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 06:25:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 107 transitions. [2018-11-10 06:25:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-11-10 06:25:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 06:25:49,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:49,494 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:49,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:49,906 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 06:25:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 114 transitions. [2018-11-10 06:25:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-11-10 06:25:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 06:25:51,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:51,900 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:51,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:52,332 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 06:25:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 121 transitions. [2018-11-10 06:25:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2018-11-10 06:25:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 06:25:54,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:54,400 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:54,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:54,884 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 06:25:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:25:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 128 transitions. [2018-11-10 06:25:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2018-11-10 06:25:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 06:25:57,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:25:57,169 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:25:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:25:57,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:25:57,711 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 06:26:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 135 transitions. [2018-11-10 06:26:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2018-11-10 06:26:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 06:26:00,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:00,218 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:00,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:00,750 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 06:26:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 142 transitions. [2018-11-10 06:26:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2018-11-10 06:26:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 06:26:03,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:03,570 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:03,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:04,203 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 06:26:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 149 transitions. [2018-11-10 06:26:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2018-11-10 06:26:07,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 06:26:07,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:07,198 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:07,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:07,802 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 06:26:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 156 transitions. [2018-11-10 06:26:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2018-11-10 06:26:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 06:26:11,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:11,042 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:11,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-11-10 06:26:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 163 transitions. [2018-11-10 06:26:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2018-11-10 06:26:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 06:26:15,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:15,231 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:15,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-11-10 06:26:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 170 transitions. [2018-11-10 06:26:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2018-11-10 06:26:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 06:26:19,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:19,706 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:19,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-11-10 06:26:21,875 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-11-10 06:26:22,392 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-11-10 06:26:23,480 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-11-10 06:26:23,940 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-11-10 06:26:24,698 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-11-10 06:26:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:24,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 129 states and 177 transitions. [2018-11-10 06:26:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2018-11-10 06:26:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 06:26:24,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:24,713 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:24,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-11-10 06:26:27,095 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-11-10 06:26:27,641 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-11-10 06:26:28,206 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-10 06:26:28,827 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-11-10 06:26:29,328 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-10 06:26:30,164 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-11-10 06:26:30,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 184 transitions. [2018-11-10 06:26:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2018-11-10 06:26:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 06:26:30,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:30,179 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:30,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-11-10 06:26:31,425 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-11-10 06:26:31,932 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-11-10 06:26:32,542 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-11-10 06:26:33,078 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-11-10 06:26:33,674 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-11-10 06:26:34,324 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-11-10 06:26:34,854 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-11-10 06:26:35,757 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-11-10 06:26:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 191 transitions. [2018-11-10 06:26:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2018-11-10 06:26:35,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 06:26:35,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:35,772 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:35,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2018-11-10 06:26:37,103 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-11-10 06:26:37,621 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-11-10 06:26:38,253 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-11-10 06:26:38,827 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-11-10 06:26:39,459 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-11-10 06:26:40,168 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-11-10 06:26:40,723 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-11-10 06:26:41,699 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-11-10 06:26:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 198 transitions. [2018-11-10 06:26:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2018-11-10 06:26:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 06:26:41,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:41,715 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:41,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2018-11-10 06:26:43,249 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-11-10 06:26:43,795 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-11-10 06:26:44,460 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-11-10 06:26:45,064 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-11-10 06:26:45,747 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-11-10 06:26:46,485 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-11-10 06:26:47,077 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-11-10 06:26:48,126 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-11-10 06:26:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 205 transitions. [2018-11-10 06:26:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2018-11-10 06:26:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 06:26:48,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:48,153 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:48,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2018-11-10 06:26:49,598 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-11-10 06:26:50,185 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-11-10 06:26:50,888 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-11-10 06:26:51,542 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-11-10 06:26:52,251 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-11-10 06:26:53,088 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-11-10 06:26:53,716 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-11-10 06:26:54,863 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2018-11-10 06:26:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:26:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 212 transitions. [2018-11-10 06:26:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 212 transitions. [2018-11-10 06:26:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 06:26:54,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:26:54,880 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:26:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:26:54,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:26:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2018-11-10 06:26:56,590 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-11-10 06:26:57,227 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-10 06:26:57,983 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-11-10 06:26:58,689 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-11-10 06:26:59,445 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-11-10 06:27:00,293 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-11-10 06:27:00,954 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-11-10 06:27:02,175 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-11-10 06:27:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:27:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 219 transitions. [2018-11-10 06:27:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2018-11-10 06:27:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 06:27:02,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:27:02,193 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:27:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:27:02,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:27:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2018-11-10 06:27:03,833 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-11-10 06:27:04,489 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-11-10 06:27:05,288 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-11-10 06:27:06,037 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-11-10 06:27:06,841 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-11-10 06:27:07,732 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-11-10 06:27:08,431 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2018-11-10 06:27:09,754 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-11-10 06:27:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:27:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 164 states and 226 transitions. [2018-11-10 06:27:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 226 transitions. [2018-11-10 06:27:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 06:27:09,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:27:09,772 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:27:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:27:09,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:27:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2018-11-10 06:27:11,444 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-11-10 06:27:12,156 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-11-10 06:27:13,002 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-11-10 06:27:13,820 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-11-10 06:27:14,665 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-11-10 06:27:15,630 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-11-10 06:27:16,368 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-11-10 06:27:17,778 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-11-10 06:27:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:27:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 233 transitions. [2018-11-10 06:27:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2018-11-10 06:27:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 06:27:17,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:27:17,796 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:27:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:27:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:27:17,897 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2018-11-10 06:27:17,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:27:17 ImpRootNode [2018-11-10 06:27:17,938 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:27:17,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:27:17,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:27:17,938 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:27:17,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:25:34" (3/4) ... [2018-11-10 06:27:17,942 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 06:27:18,000 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd722359-5cca-4798-99f4-8112098d4934/bin-2019/ukojak/witness.graphml [2018-11-10 06:27:18,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:27:18,001 INFO L168 Benchmark]: Toolchain (without parser) took 103638.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 245.9 MB). Free memory was 953.2 MB in the beginning and 1.2 GB in the end (delta: -210.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:27:18,001 INFO L168 Benchmark]: CDTParser took 0.12 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 06:27:18,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:27:18,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.01 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:27:18,002 INFO L168 Benchmark]: Boogie Preprocessor took 10.93 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:27:18,002 INFO L168 Benchmark]: RCFGBuilder took 198.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:27:18,002 INFO L168 Benchmark]: CodeCheck took 103199.95 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -73.4 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:27:18,003 INFO L168 Benchmark]: Witness Printer took 62.46 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:27:18,004 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, 103.1s 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, 50.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24937 GetRequests, 23084 SyntacticMatches, 1365 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111716 ImplicationChecksByTransitivity, 96.0s 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, 2143314 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<