./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/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_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/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 0.1.23-635dfa2 [2018-12-08 20:45:58,899 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:45:58,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:45:58,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:45:58,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:45:58,907 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:45:58,908 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:45:58,909 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:45:58,910 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:45:58,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:45:58,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:45:58,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:45:58,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:45:58,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:45:58,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:45:58,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:45:58,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:45:58,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:45:58,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:45:58,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:45:58,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:45:58,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:45:58,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:45:58,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:45:58,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:45:58,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:45:58,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:45:58,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:45:58,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:45:58,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:45:58,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:45:58,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:45:58,922 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:45:58,922 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:45:58,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:45:58,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:45:58,923 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:45:58,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:45:58,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:45:58,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:45:58,931 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:45:58,931 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:45:58,931 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:45:58,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:45:58,931 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:45:58,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:45:58,933 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:45:58,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:45:58,933 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:45:58,933 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:45:58,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:45:58,933 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:45:58,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:45:58,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:45:58,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:45:58,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:45:58,934 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:45:58,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:45:58,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:45:58,934 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_8da2332b-dad1-46a5-a639-a82720bfdfb0/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 [2018-12-08 20:45:58,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:45:58,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:45:58,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:45:58,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:45:58,962 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:45:58,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_i25_o25_false-unreach-call_true-termination.c [2018-12-08 20:45:58,994 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/data/2cbb6db2a/6bd1637ba24140339ce2fdc0b23b587a/FLAGf3df5e6f4 [2018-12-08 20:45:59,423 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:45:59,423 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/sv-benchmarks/c/recursive-simple/id_i25_o25_false-unreach-call_true-termination.c [2018-12-08 20:45:59,426 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/data/2cbb6db2a/6bd1637ba24140339ce2fdc0b23b587a/FLAGf3df5e6f4 [2018-12-08 20:45:59,435 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/data/2cbb6db2a/6bd1637ba24140339ce2fdc0b23b587a [2018-12-08 20:45:59,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:45:59,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:45:59,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:45:59,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:45:59,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:45:59,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3eaa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59, skipping insertion in model container [2018-12-08 20:45:59,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:45:59,455 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:45:59,535 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:45:59,537 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:45:59,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:45:59,552 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:45:59,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59 WrapperNode [2018-12-08 20:45:59,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:45:59,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:45:59,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:45:59,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:45:59,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:45:59,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:45:59,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:45:59,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:45:59,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:45:59,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:45:59,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:45:59,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:45:59,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/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 [2018-12-08 20:45:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:45:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:45:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-12-08 20:45:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-12-08 20:45:59,723 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:45:59,723 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 20:45:59,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:45:59 BoogieIcfgContainer [2018-12-08 20:45:59,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:45:59,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:45:59,723 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:45:59,729 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:45:59,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:45:59" (1/1) ... [2018-12-08 20:45:59,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:45:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:45:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-08 20:45:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-08 20:45:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 20:45:59,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:45:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:45:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:45:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:45:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2018-12-08 20:45:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-08 20:45:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 20:45:59,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:45:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:45:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:46:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2018-12-08 20:46:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-12-08 20:46:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 20:46:00,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 20:46:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2018-12-08 20:46:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-08 20:46:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 20:46:00,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 20:46:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 35 states and 56 transitions. [2018-12-08 20:46:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-12-08 20:46:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 20:46:00,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:46:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 38 states and 64 transitions. [2018-12-08 20:46:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-08 20:46:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 20:46:01,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:46:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 41 states and 74 transitions. [2018-12-08 20:46:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2018-12-08 20:46:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 20:46:01,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 20:46:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 57 states and 107 transitions. [2018-12-08 20:46:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2018-12-08 20:46:02,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 20:46:02,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 20:46:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 71 states and 136 transitions. [2018-12-08 20:46:04,294 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2018-12-08 20:46:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 20:46:04,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 20:46:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 73 states and 137 transitions. [2018-12-08 20:46:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2018-12-08 20:46:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 20:46:04,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:46:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 87 states and 164 transitions. [2018-12-08 20:46:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2018-12-08 20:46:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 20:46:06,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:46:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 165 transitions. [2018-12-08 20:46:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 165 transitions. [2018-12-08 20:46:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:46:06,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 20:46:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 92 states and 174 transitions. [2018-12-08 20:46:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 174 transitions. [2018-12-08 20:46:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:46:07,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 20:46:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 95 states and 181 transitions. [2018-12-08 20:46:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 181 transitions. [2018-12-08 20:46:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:46:07,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 20:46:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 98 states and 188 transitions. [2018-12-08 20:46:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2018-12-08 20:46:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:46:08,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 20:46:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 101 states and 200 transitions. [2018-12-08 20:46:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-12-08 20:46:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:46:08,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 20:46:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 104 states and 215 transitions. [2018-12-08 20:46:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 215 transitions. [2018-12-08 20:46:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 20:46:08,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 20:46:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 107 states and 225 transitions. [2018-12-08 20:46:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 225 transitions. [2018-12-08 20:46:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 20:46:09,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 20:46:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 116 states and 255 transitions. [2018-12-08 20:46:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 255 transitions. [2018-12-08 20:46:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 20:46:10,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 20:46:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 119 states and 272 transitions. [2018-12-08 20:46:11,004 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 272 transitions. [2018-12-08 20:46:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:46:11,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-08 20:46:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 122 states and 283 transitions. [2018-12-08 20:46:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 283 transitions. [2018-12-08 20:46:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:46:11,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-08 20:46:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 131 states and 317 transitions. [2018-12-08 20:46:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 317 transitions. [2018-12-08 20:46:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:46:12,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-08 20:46:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 134 states and 336 transitions. [2018-12-08 20:46:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 336 transitions. [2018-12-08 20:46:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 20:46:13,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-08 20:46:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 137 states and 348 transitions. [2018-12-08 20:46:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 348 transitions. [2018-12-08 20:46:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 20:46:14,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-08 20:46:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 146 states and 386 transitions. [2018-12-08 20:46:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 386 transitions. [2018-12-08 20:46:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 20:46:15,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-08 20:46:16,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 149 states and 407 transitions. [2018-12-08 20:46:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 407 transitions. [2018-12-08 20:46:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 20:46:16,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 20:46:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 172 states and 476 transitions. [2018-12-08 20:46:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 476 transitions. [2018-12-08 20:46:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 20:46:22,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 20:46:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 175 states and 486 transitions. [2018-12-08 20:46:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 486 transitions. [2018-12-08 20:46:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 20:46:23,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 20:46:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 177 states and 487 transitions. [2018-12-08 20:46:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 487 transitions. [2018-12-08 20:46:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 20:46:23,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 20:46:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 197 states and 551 transitions. [2018-12-08 20:46:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 551 transitions. [2018-12-08 20:46:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 20:46:29,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 20:46:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 203 states and 561 transitions. [2018-12-08 20:46:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 561 transitions. [2018-12-08 20:46:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 20:46:30,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 20:46:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 205 states and 562 transitions. [2018-12-08 20:46:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 562 transitions. [2018-12-08 20:46:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 20:46:30,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-12-08 20:46:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 231 states and 636 transitions. [2018-12-08 20:46:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 636 transitions. [2018-12-08 20:46:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 20:46:37,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-12-08 20:46:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 233 states and 637 transitions. [2018-12-08 20:46:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 637 transitions. [2018-12-08 20:46:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 20:46:38,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-12-08 20:46:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 256 states and 706 transitions. [2018-12-08 20:46:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 706 transitions. [2018-12-08 20:46:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 20:46:45,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-12-08 20:46:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 261 states and 712 transitions. [2018-12-08 20:46:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 712 transitions. [2018-12-08 20:46:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 20:46:46,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 20:46:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 281 states and 769 transitions. [2018-12-08 20:46:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 769 transitions. [2018-12-08 20:46:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 20:46:54,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 20:46:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 289 states and 787 transitions. [2018-12-08 20:46:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 787 transitions. [2018-12-08 20:46:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:46:56,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:46:59,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:46:59,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 292 states and 800 transitions. [2018-12-08 20:46:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 800 transitions. [2018-12-08 20:46:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:46:59,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:46:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:46:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:00,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 295 states and 811 transitions. [2018-12-08 20:47:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 811 transitions. [2018-12-08 20:47:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:47:00,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 298 states and 822 transitions. [2018-12-08 20:47:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 822 transitions. [2018-12-08 20:47:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:47:01,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 301 states and 833 transitions. [2018-12-08 20:47:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 833 transitions. [2018-12-08 20:47:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:47:02,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 304 states and 844 transitions. [2018-12-08 20:47:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 844 transitions. [2018-12-08 20:47:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:47:03,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 307 states and 877 transitions. [2018-12-08 20:47:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 877 transitions. [2018-12-08 20:47:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:47:04,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 316 states and 920 transitions. [2018-12-08 20:47:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 920 transitions. [2018-12-08 20:47:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:47:07,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 20:47:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 319 states and 943 transitions. [2018-12-08 20:47:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 943 transitions. [2018-12-08 20:47:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:47:08,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-12-08 20:47:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 322 states and 957 transitions. [2018-12-08 20:47:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 957 transitions. [2018-12-08 20:47:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:47:10,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-12-08 20:47:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 337 states and 1040 transitions. [2018-12-08 20:47:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1040 transitions. [2018-12-08 20:47:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:47:15,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-12-08 20:47:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 346 states and 1087 transitions. [2018-12-08 20:47:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1087 transitions. [2018-12-08 20:47:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:47:20,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-12-08 20:47:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 349 states and 1112 transitions. [2018-12-08 20:47:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1112 transitions. [2018-12-08 20:47:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:47:21,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-12-08 20:47:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 352 states and 1127 transitions. [2018-12-08 20:47:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1127 transitions. [2018-12-08 20:47:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:47:22,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-12-08 20:47:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 367 states and 1216 transitions. [2018-12-08 20:47:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1216 transitions. [2018-12-08 20:47:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:47:28,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-12-08 20:47:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 376 states and 1267 transitions. [2018-12-08 20:47:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1267 transitions. [2018-12-08 20:47:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:47:32,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-12-08 20:47:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 379 states and 1294 transitions. [2018-12-08 20:47:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1294 transitions. [2018-12-08 20:47:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 20:47:33,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-12-08 20:47:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 382 states and 1310 transitions. [2018-12-08 20:47:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1310 transitions. [2018-12-08 20:47:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 20:47:35,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-12-08 20:47:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 397 states and 1405 transitions. [2018-12-08 20:47:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1405 transitions. [2018-12-08 20:47:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 20:47:42,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-12-08 20:47:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 406 states and 1460 transitions. [2018-12-08 20:47:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1460 transitions. [2018-12-08 20:47:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 20:47:50,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-12-08 20:47:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 409 states and 1489 transitions. [2018-12-08 20:47:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1489 transitions. [2018-12-08 20:47:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:47:52,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-08 20:47:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:47:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 412 states and 1506 transitions. [2018-12-08 20:47:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1506 transitions. [2018-12-08 20:47:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:47:56,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:47:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-08 20:48:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 427 states and 1607 transitions. [2018-12-08 20:48:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1607 transitions. [2018-12-08 20:48:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:48:05,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-08 20:48:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 436 states and 1666 transitions. [2018-12-08 20:48:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1666 transitions. [2018-12-08 20:48:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:48:12,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-08 20:48:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 439 states and 1697 transitions. [2018-12-08 20:48:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1697 transitions. [2018-12-08 20:48:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:48:13,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-12-08 20:48:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 442 states and 1715 transitions. [2018-12-08 20:48:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1715 transitions. [2018-12-08 20:48:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:48:17,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-12-08 20:48:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 457 states and 1822 transitions. [2018-12-08 20:48:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1822 transitions. [2018-12-08 20:48:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:48:24,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-12-08 20:48:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 466 states and 1885 transitions. [2018-12-08 20:48:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1885 transitions. [2018-12-08 20:48:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:48:31,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-12-08 20:48:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 469 states and 1918 transitions. [2018-12-08 20:48:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1918 transitions. [2018-12-08 20:48:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:48:32,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-12-08 20:48:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 472 states and 1937 transitions. [2018-12-08 20:48:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1937 transitions. [2018-12-08 20:48:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:48:34,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-12-08 20:48:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 487 states and 2050 transitions. [2018-12-08 20:48:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 2050 transitions. [2018-12-08 20:48:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:48:42,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-12-08 20:48:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 496 states and 2117 transitions. [2018-12-08 20:48:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 2117 transitions. [2018-12-08 20:48:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:48:47,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-12-08 20:48:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 499 states and 2152 transitions. [2018-12-08 20:48:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 2152 transitions. [2018-12-08 20:48:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:48:49,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-12-08 20:48:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:48:51,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 502 states and 2172 transitions. [2018-12-08 20:48:51,705 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2172 transitions. [2018-12-08 20:48:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:48:51,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:48:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-12-08 20:49:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:49:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 517 states and 2291 transitions. [2018-12-08 20:49:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 2291 transitions. [2018-12-08 20:49:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:49:00,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:49:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:49:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-12-08 20:49:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:49:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 526 states and 2362 transitions. [2018-12-08 20:49:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 2362 transitions. [2018-12-08 20:49:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:49:11,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:49:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:49:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-12-08 20:49:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:49:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4409 states to 529 states and 2399 transitions. [2018-12-08 20:49:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 2399 transitions. [2018-12-08 20:49:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 20:49:13,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:49:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:49:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:49:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:49:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:49:13,718 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 74 iterations. [2018-12-08 20:49:13,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:49:13 ImpRootNode [2018-12-08 20:49:13,754 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:49:13,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:49:13,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:49:13,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:49:13,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:45:59" (3/4) ... [2018-12-08 20:49:13,757 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 20:49:13,807 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8da2332b-dad1-46a5-a639-a82720bfdfb0/bin-2019/ukojak/witness.graphml [2018-12-08 20:49:13,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:49:13,808 INFO L168 Benchmark]: Toolchain (without parser) took 194370.98 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 954.4 MB in the beginning and 1.3 GB in the end (delta: -352.8 MB). Peak memory consumption was 665.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:49:13,809 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:49:13,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.13 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 945.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:49:13,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.84 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 942.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:49:13,809 INFO L168 Benchmark]: Boogie Preprocessor took 8.49 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:49:13,810 INFO L168 Benchmark]: RCFGBuilder took 144.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:49:13,810 INFO L168 Benchmark]: CodeCheck took 194031.09 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 912.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.9 MB). Peak memory consumption was 699.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:49:13,810 INFO L168 Benchmark]: Witness Printer took 52.69 ms. Allocated memory is still 2.0 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:49:13,812 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, 15 locations, 1 error locations. UNSAFE Result, 193.9s OverallTime, 74 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, 210.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206608 GetRequests, 200428 SyntacticMatches, 4696 SemanticMatches, 1484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017923 ImplicationChecksByTransitivity, 181.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 7200 NumberOfCodeBlocks, 7200 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 6968 ConstructedInterpolants, 0 QuantifiedInterpolants, 1960456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 73 InterpolantComputations, 1 PerfectInterpolantSequences, 28330/56660 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] return 0; VAL [\old(x)=0, \result=0, x=0] [L6] RET, EXPR id(x-1) VAL [\old(x)=1, id(x-1)=0, x=1] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=2, id(x-1)=1, x=2] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=3, id(x-1)=2, x=3] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=4, id(x-1)=3, x=4] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=5, id(x-1)=4, x=5] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=6, id(x-1)=5, x=6] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=7, id(x-1)=6, x=7] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=8, id(x-1)=7, x=8] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=9, id(x-1)=8, x=9] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=10, id(x-1)=9, x=10] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=11, id(x-1)=10, x=11] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=12, id(x-1)=11, x=12] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=13, id(x-1)=12, x=13] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=14, id(x-1)=13, x=14] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=15, id(x-1)=14, x=15] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=16, id(x-1)=15, x=16] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=17, id(x-1)=16, x=17] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=18, id(x-1)=17, x=18] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=19, id(x-1)=18, x=19] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=20, id(x-1)=19, x=20] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=21, id(x-1)=20, x=21] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=22, id(x-1)=21, x=22] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=23, id(x-1)=22, x=23] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=24, id(x-1)=23, x=24] [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) VAL [\old(x)=25, id(x-1)=24, x=25] [L6] return id(x-1) + 1; [L11] RET, 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.13 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 945.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.84 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 942.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.49 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 144.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * CodeCheck took 194031.09 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 912.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.9 MB). Peak memory consumption was 699.9 MB. Max. memory is 11.5 GB. * Witness Printer took 52.69 ms. Allocated memory is still 2.0 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...