./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25_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_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/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 a544811fe2a74801350302afc46fb67e1c6f238a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:32:06,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:32:06,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:32:06,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:32:06,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:32:06,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:32:06,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:32:06,490 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:32:06,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:32:06,491 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:32:06,492 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:32:06,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:32:06,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:32:06,494 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:32:06,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:32:06,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:32:06,495 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:32:06,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:32:06,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:32:06,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:32:06,499 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:32:06,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:32:06,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:32:06,502 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:32:06,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:32:06,502 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:32:06,503 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:32:06,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:32:06,504 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:32:06,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:32:06,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:32:06,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:32:06,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:32:06,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:32:06,506 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:32:06,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:32:06,507 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:32:06,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:32:06,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:32:06,517 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:32:06,517 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:32:06,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:32:06,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:32:06,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:32:06,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:32:06,519 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:32:06,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:32:06,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:32:06,519 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:32:06,519 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:32:06,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:32:06,520 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:32:06,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:32:06,521 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_a3835283-957c-4a3e-838f-cad880f1efcc/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 -> a544811fe2a74801350302afc46fb67e1c6f238a [2018-11-10 02:32:06,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:32:06,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:32:06,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:32:06,553 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:32:06,554 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:32:06,554 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_i25_o25_false-unreach-call_true-termination.c [2018-11-10 02:32:06,588 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/data/0b8cfa4ad/779024b2959545a38fe2e41703d69c9d/FLAG5d8978417 [2018-11-10 02:32:06,989 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:32:06,990 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/sv-benchmarks/c/recursive-simple/id_i25_o25_false-unreach-call_true-termination.c [2018-11-10 02:32:06,994 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/data/0b8cfa4ad/779024b2959545a38fe2e41703d69c9d/FLAG5d8978417 [2018-11-10 02:32:07,006 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/data/0b8cfa4ad/779024b2959545a38fe2e41703d69c9d [2018-11-10 02:32:07,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:32:07,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:32:07,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:32:07,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:32:07,013 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:32:07,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0d3238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07, skipping insertion in model container [2018-11-10 02:32:07,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:32:07,036 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:32:07,156 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:32:07,159 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:32:07,170 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:32:07,181 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:32:07,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07 WrapperNode [2018-11-10 02:32:07,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:32:07,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:32:07,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:32:07,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:32:07,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:32:07,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:32:07,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:32:07,206 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:32:07,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:32:07,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:32:07,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:32:07,219 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:32:07,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/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 02:32:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:32:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:32:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-10 02:32:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-10 02:32:07,429 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:32:07,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:32:07 BoogieIcfgContainer [2018-11-10 02:32:07,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:32:07,430 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:32:07,430 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:32:07,439 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:32:07,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:32:07" (1/1) ... [2018-11-10 02:32:07,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:32:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 02:32:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 02:32:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 02:32:07,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:07,589 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 02:32:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2018-11-10 02:32:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 02:32:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 02:32:07,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:07,696 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 02:32:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2018-11-10 02:32:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-10 02:32:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:32:07,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:07,845 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 02:32:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2018-11-10 02:32:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-10 02:32:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 02:32:07,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:08,082 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 02:32:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 35 states and 56 transitions. [2018-11-10 02:32:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-10 02:32:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 02:32:08,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:08,896 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 02:32:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 38 states and 64 transitions. [2018-11-10 02:32:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-11-10 02:32:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 02:32:09,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:09,219 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 02:32:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 41 states and 74 transitions. [2018-11-10 02:32:09,409 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2018-11-10 02:32:09,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 02:32:09,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:09,591 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 02:32:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 57 states and 107 transitions. [2018-11-10 02:32:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2018-11-10 02:32:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 02:32:11,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:11,205 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 02:32:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 73 states and 137 transitions. [2018-11-10 02:32:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2018-11-10 02:32:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 02:32:12,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:12,866 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 02:32:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 87 states and 164 transitions. [2018-11-10 02:32:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2018-11-10 02:32:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 02:32:14,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:14,494 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 02:32:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 165 transitions. [2018-11-10 02:32:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 165 transitions. [2018-11-10 02:32:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 02:32:14,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:14,907 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 02:32:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 92 states and 174 transitions. [2018-11-10 02:32:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 174 transitions. [2018-11-10 02:32:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 02:32:15,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:15,470 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 02:32:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 98 states and 188 transitions. [2018-11-10 02:32:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2018-11-10 02:32:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 02:32:16,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:16,205 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 02:32:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 101 states and 200 transitions. [2018-11-10 02:32:16,601 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-11-10 02:32:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 02:32:16,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:16,624 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 02:32:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 104 states and 215 transitions. [2018-11-10 02:32:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 215 transitions. [2018-11-10 02:32:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:32:16,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:17,092 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 02:32:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 107 states and 225 transitions. [2018-11-10 02:32:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 225 transitions. [2018-11-10 02:32:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:32:17,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:17,731 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 02:32:19,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 116 states and 255 transitions. [2018-11-10 02:32:19,012 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 255 transitions. [2018-11-10 02:32:19,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:32:19,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:19,033 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 02:32:19,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 119 states and 272 transitions. [2018-11-10 02:32:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 272 transitions. [2018-11-10 02:32:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 02:32:19,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:19,572 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 02:32:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 122 states and 283 transitions. [2018-11-10 02:32:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 283 transitions. [2018-11-10 02:32:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 02:32:20,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:20,125 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 02:32:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 131 states and 317 transitions. [2018-11-10 02:32:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 317 transitions. [2018-11-10 02:32:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 02:32:21,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:21,515 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 02:32:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 134 states and 336 transitions. [2018-11-10 02:32:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 336 transitions. [2018-11-10 02:32:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 02:32:22,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:22,105 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 02:32:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 137 states and 348 transitions. [2018-11-10 02:32:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 348 transitions. [2018-11-10 02:32:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 02:32:22,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:22,708 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 02:32:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 146 states and 386 transitions. [2018-11-10 02:32:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 386 transitions. [2018-11-10 02:32:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 02:32:24,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:24,225 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 02:32:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 149 states and 407 transitions. [2018-11-10 02:32:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 407 transitions. [2018-11-10 02:32:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 02:32:24,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:25,911 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 02:32:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 175 states and 486 transitions. [2018-11-10 02:32:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 486 transitions. [2018-11-10 02:32:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 02:32:31,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:31,897 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 02:32:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 177 states and 487 transitions. [2018-11-10 02:32:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 487 transitions. [2018-11-10 02:32:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 02:32:32,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:32,770 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 02:32:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 203 states and 561 transitions. [2018-11-10 02:32:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 561 transitions. [2018-11-10 02:32:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 02:32:38,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:38,634 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 02:32:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 205 states and 562 transitions. [2018-11-10 02:32:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 562 transitions. [2018-11-10 02:32:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 02:32:39,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:39,596 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 02:32:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 231 states and 636 transitions. [2018-11-10 02:32:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 636 transitions. [2018-11-10 02:32:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 02:32:46,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:46,168 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 02:32:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 233 states and 637 transitions. [2018-11-10 02:32:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 637 transitions. [2018-11-10 02:32:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 02:32:46,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:47,274 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 02:32:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 256 states and 706 transitions. [2018-11-10 02:32:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 706 transitions. [2018-11-10 02:32:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 02:32:53,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:53,810 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 02:32:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 259 states and 711 transitions. [2018-11-10 02:32:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 711 transitions. [2018-11-10 02:32:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 02:32:54,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:54,647 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 02:32:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:32:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 261 states and 712 transitions. [2018-11-10 02:32:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 712 transitions. [2018-11-10 02:32:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 02:32:55,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:32:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:32:55,852 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 02:33:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 287 states and 786 transitions. [2018-11-10 02:33:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 786 transitions. [2018-11-10 02:33:04,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 02:33:04,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:04,125 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 02:33:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 289 states and 787 transitions. [2018-11-10 02:33:04,616 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 787 transitions. [2018-11-10 02:33:04,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:04,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:05,700 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 02:33:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 292 states and 800 transitions. [2018-11-10 02:33:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 800 transitions. [2018-11-10 02:33:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:07,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:07,537 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 02:33:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 295 states and 811 transitions. [2018-11-10 02:33:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 811 transitions. [2018-11-10 02:33:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:08,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:08,565 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 02:33:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 298 states and 822 transitions. [2018-11-10 02:33:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 822 transitions. [2018-11-10 02:33:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:09,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:09,621 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 02:33:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 301 states and 833 transitions. [2018-11-10 02:33:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 833 transitions. [2018-11-10 02:33:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:10,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:10,619 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 02:33:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 304 states and 844 transitions. [2018-11-10 02:33:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 844 transitions. [2018-11-10 02:33:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:11,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:11,615 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 02:33:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 307 states and 877 transitions. [2018-11-10 02:33:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 877 transitions. [2018-11-10 02:33:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:12,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:12,665 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 02:33:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 316 states and 920 transitions. [2018-11-10 02:33:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 920 transitions. [2018-11-10 02:33:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 02:33:15,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:15,532 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 02:33:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 319 states and 943 transitions. [2018-11-10 02:33:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 943 transitions. [2018-11-10 02:33:16,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 02:33:16,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:16,757 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 02:33:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 322 states and 957 transitions. [2018-11-10 02:33:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 957 transitions. [2018-11-10 02:33:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 02:33:17,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:17,986 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 02:33:23,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 337 states and 1040 transitions. [2018-11-10 02:33:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1040 transitions. [2018-11-10 02:33:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 02:33:23,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:23,148 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 02:33:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 346 states and 1087 transitions. [2018-11-10 02:33:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1087 transitions. [2018-11-10 02:33:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 02:33:26,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:26,369 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 02:33:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 349 states and 1112 transitions. [2018-11-10 02:33:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1112 transitions. [2018-11-10 02:33:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 02:33:27,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:27,660 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 02:33:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:28,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 352 states and 1127 transitions. [2018-11-10 02:33:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1127 transitions. [2018-11-10 02:33:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 02:33:28,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:28,966 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 02:33:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 367 states and 1216 transitions. [2018-11-10 02:33:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1216 transitions. [2018-11-10 02:33:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 02:33:34,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:34,947 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 02:33:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 376 states and 1267 transitions. [2018-11-10 02:33:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1267 transitions. [2018-11-10 02:33:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 02:33:38,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:38,232 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 02:33:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 379 states and 1294 transitions. [2018-11-10 02:33:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1294 transitions. [2018-11-10 02:33:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 02:33:39,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:39,681 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 02:33:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 382 states and 1310 transitions. [2018-11-10 02:33:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1310 transitions. [2018-11-10 02:33:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 02:33:41,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:41,108 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 02:33:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 397 states and 1405 transitions. [2018-11-10 02:33:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1405 transitions. [2018-11-10 02:33:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 02:33:47,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:47,149 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 02:33:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 406 states and 1460 transitions. [2018-11-10 02:33:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1460 transitions. [2018-11-10 02:33:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 02:33:50,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:50,730 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 02:33:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 409 states and 1489 transitions. [2018-11-10 02:33:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1489 transitions. [2018-11-10 02:33:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 02:33:51,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:52,171 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 02:33:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:33:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 412 states and 1506 transitions. [2018-11-10 02:33:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1506 transitions. [2018-11-10 02:33:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 02:33:53,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:33:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:33:53,751 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 02:34:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 427 states and 1607 transitions. [2018-11-10 02:34:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1607 transitions. [2018-11-10 02:34:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 02:34:00,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:00,191 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 02:34:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 436 states and 1666 transitions. [2018-11-10 02:34:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1666 transitions. [2018-11-10 02:34:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 02:34:04,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:04,084 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 02:34:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 439 states and 1697 transitions. [2018-11-10 02:34:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1697 transitions. [2018-11-10 02:34:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 02:34:05,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:05,642 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 02:34:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 442 states and 1715 transitions. [2018-11-10 02:34:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1715 transitions. [2018-11-10 02:34:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 02:34:07,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:07,309 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 02:34:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 457 states and 1822 transitions. [2018-11-10 02:34:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1822 transitions. [2018-11-10 02:34:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 02:34:14,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:14,201 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 02:34:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 466 states and 1885 transitions. [2018-11-10 02:34:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1885 transitions. [2018-11-10 02:34:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 02:34:18,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:18,353 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 02:34:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 469 states and 1918 transitions. [2018-11-10 02:34:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1918 transitions. [2018-11-10 02:34:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 02:34:19,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:20,062 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 02:34:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 472 states and 1937 transitions. [2018-11-10 02:34:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1937 transitions. [2018-11-10 02:34:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 02:34:21,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:21,900 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 02:34:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 487 states and 2050 transitions. [2018-11-10 02:34:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 2050 transitions. [2018-11-10 02:34:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 02:34:29,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:29,276 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 02:34:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 496 states and 2117 transitions. [2018-11-10 02:34:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 2117 transitions. [2018-11-10 02:34:33,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 02:34:33,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:33,742 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 02:34:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 499 states and 2152 transitions. [2018-11-10 02:34:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 2152 transitions. [2018-11-10 02:34:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 02:34:35,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:35,554 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 02:34:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 502 states and 2172 transitions. [2018-11-10 02:34:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2172 transitions. [2018-11-10 02:34:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 02:34:37,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:37,424 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 02:34:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 517 states and 2291 transitions. [2018-11-10 02:34:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 2291 transitions. [2018-11-10 02:34:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 02:34:45,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:45,281 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 02:34:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 526 states and 2362 transitions. [2018-11-10 02:34:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 2362 transitions. [2018-11-10 02:34:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 02:34:49,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:34:50,013 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 02:34:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:34:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4409 states to 529 states and 2399 transitions. [2018-11-10 02:34:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 2399 transitions. [2018-11-10 02:34:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 02:34:51,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:34:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:34:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:34:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:34:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:34:51,663 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 71 iterations. [2018-11-10 02:34:51,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:34:51 ImpRootNode [2018-11-10 02:34:51,701 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:34:51,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:34:51,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:34:51,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:34:51,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:32:07" (3/4) ... [2018-11-10 02:34:51,705 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 02:34:51,765 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3835283-957c-4a3e-838f-cad880f1efcc/bin-2019/ukojak/witness.graphml [2018-11-10 02:34:51,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:34:51,766 INFO L168 Benchmark]: Toolchain (without parser) took 164757.31 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-10 02:34:51,767 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:34:51,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.37 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:34:51,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.91 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:34:51,768 INFO L168 Benchmark]: Boogie Preprocessor took 12.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:34:51,768 INFO L168 Benchmark]: RCFGBuilder took 210.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:34:51,769 INFO L168 Benchmark]: CodeCheck took 164270.97 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.6 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-10 02:34:51,769 INFO L168 Benchmark]: Witness Printer took 64.47 ms. Allocated memory is still 3.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:34:51,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 1 error locations. UNSAFE Result, 164.2s OverallTime, 71 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1431655756 SDslu, -1431655784 SDs, 0 SdLazy, 631121090 SolverSat, -1127428930 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 202.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202883 GetRequests, 196803 SyntacticMatches, 4596 SemanticMatches, 1484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018045 ImplicationChecksByTransitivity, 152.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 7029 NumberOfCodeBlocks, 7029 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 6800 ConstructedInterpolants, 0 QuantifiedInterpolants, 1940136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 70 InterpolantComputations, 1 PerfectInterpolantSequences, 28036/56072 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int input = 25; [L11] CALL, EXPR id(input) VAL [\old(x)=25] [L5] COND FALSE !(x==0) VAL [\old(x)=25, x=25] [L6] CALL, EXPR id(x-1) VAL [\old(x)=24] [L5] COND FALSE !(x==0) VAL [\old(x)=24, x=24] [L6] CALL, EXPR id(x-1) VAL [\old(x)=23] [L5] COND FALSE !(x==0) VAL [\old(x)=23, x=23] [L6] CALL, EXPR id(x-1) VAL [\old(x)=22] [L5] COND FALSE !(x==0) VAL [\old(x)=22, x=22] [L6] CALL, EXPR id(x-1) VAL [\old(x)=21] [L5] COND FALSE !(x==0) VAL [\old(x)=21, x=21] [L6] CALL, EXPR id(x-1) VAL [\old(x)=20] [L5] COND FALSE !(x==0) VAL [\old(x)=20, x=20] [L6] CALL, EXPR id(x-1) VAL [\old(x)=19] [L5] COND FALSE !(x==0) VAL [\old(x)=19, x=19] [L6] CALL, EXPR id(x-1) VAL [\old(x)=18] [L5] COND FALSE !(x==0) VAL [\old(x)=18, x=18] [L6] CALL, EXPR id(x-1) VAL [\old(x)=17] [L5] COND FALSE !(x==0) VAL [\old(x)=17, x=17] [L6] CALL, EXPR id(x-1) VAL [\old(x)=16] [L5] COND FALSE !(x==0) VAL [\old(x)=16, x=16] [L6] CALL, EXPR id(x-1) VAL [\old(x)=15] [L5] COND FALSE !(x==0) VAL [\old(x)=15, x=15] [L6] CALL, EXPR id(x-1) VAL [\old(x)=14] [L5] COND FALSE !(x==0) VAL [\old(x)=14, x=14] [L6] CALL, EXPR id(x-1) VAL [\old(x)=13] [L5] COND FALSE !(x==0) VAL [\old(x)=13, x=13] [L6] CALL, EXPR id(x-1) VAL [\old(x)=12] [L5] COND FALSE !(x==0) VAL [\old(x)=12, x=12] [L6] CALL, EXPR id(x-1) VAL [\old(x)=11] [L5] COND FALSE !(x==0) VAL [\old(x)=11, x=11] [L6] CALL, EXPR id(x-1) VAL [\old(x)=10] [L5] COND FALSE !(x==0) VAL [\old(x)=10, x=10] [L6] CALL, EXPR id(x-1) VAL [\old(x)=9] [L5] COND FALSE !(x==0) VAL [\old(x)=9, x=9] [L6] CALL, EXPR id(x-1) VAL [\old(x)=8] [L5] COND FALSE !(x==0) VAL [\old(x)=8, x=8] [L6] CALL, EXPR id(x-1) VAL [\old(x)=7] [L5] COND FALSE !(x==0) VAL [\old(x)=7, x=7] [L6] CALL, EXPR id(x-1) VAL [\old(x)=6] [L5] COND FALSE !(x==0) VAL [\old(x)=6, x=6] [L6] CALL, EXPR id(x-1) VAL [\old(x)=5] [L5] COND FALSE !(x==0) VAL [\old(x)=5, x=5] [L6] CALL, EXPR id(x-1) VAL [\old(x)=4] [L5] COND FALSE !(x==0) VAL [\old(x)=4, x=4] [L6] CALL, EXPR id(x-1) VAL [\old(x)=3] [L5] COND FALSE !(x==0) VAL [\old(x)=3, x=3] [L6] CALL, EXPR id(x-1) VAL [\old(x)=2] [L5] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L6] CALL, EXPR id(x-1) VAL [\old(x)=1] [L5] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L6] CALL, EXPR id(x-1) VAL [\old(x)=0] [L5] COND TRUE x==0 [L5] RET return 0; VAL [\old(x)=0, \result=0, x=0] [L6] EXPR id(x-1) VAL [\old(x)=1, id(x-1)=0, x=1] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=2, id(x-1)=1, x=2] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=3, id(x-1)=2, x=3] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=4, id(x-1)=3, x=4] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=5, id(x-1)=4, x=5] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=6, id(x-1)=5, x=6] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=7, id(x-1)=6, x=7] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=8, id(x-1)=7, x=8] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=9, id(x-1)=8, x=9] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=10, id(x-1)=9, x=10] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=11, id(x-1)=10, x=11] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=12, id(x-1)=11, x=12] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=13, id(x-1)=12, x=13] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=14, id(x-1)=13, x=14] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=15, id(x-1)=14, x=15] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=16, id(x-1)=15, x=16] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=17, id(x-1)=16, x=17] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=18, id(x-1)=17, x=18] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=19, id(x-1)=18, x=19] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=20, id(x-1)=19, x=20] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=21, id(x-1)=20, x=21] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=22, id(x-1)=21, x=22] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=23, id(x-1)=22, x=23] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=24, id(x-1)=23, x=24] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=25, id(x-1)=24, x=25] [L6] RET return id(x-1) + 1; [L11] EXPR id(input) [L11] int result = id(input); [L12] COND TRUE result == 25 [L13] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.37 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.91 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 210.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 164270.97 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.6 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 64.47 ms. Allocated memory is still 3.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...