./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.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_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/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 41f85ef13c9e2b840fcfc019d39f6b7e23aee02e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:01:29,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:01:29,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:01:29,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:01:29,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:01:29,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:01:29,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:01:29,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:01:29,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:01:29,911 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:01:29,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:01:29,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:01:29,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:01:29,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:01:29,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:01:29,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:01:29,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:01:29,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:01:29,919 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:01:29,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:01:29,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:01:29,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:01:29,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:01:29,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:01:29,924 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:01:29,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:01:29,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:01:29,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:01:29,928 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:01:29,928 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:01:29,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:01:29,929 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:01:29,929 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:01:29,929 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:01:29,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:01:29,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:01:29,932 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:01:29,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:01:29,943 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:01:29,943 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:01:29,944 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:01:29,944 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:01:29,944 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:01:29,944 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:01:29,945 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:01:29,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:01:29,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:01:29,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:01:29,947 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:01:29,947 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:01:29,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:01:29,948 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:01:29,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:01:29,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:01:29,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:01:29,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:01:29,948 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:01:29,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:01:29,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:01:29,949 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_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/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 -> 41f85ef13c9e2b840fcfc019d39f6b7e23aee02e [2018-10-26 23:01:29,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:01:29,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:01:30,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:01:30,005 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:01:30,005 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:01:30,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 23:01:30,048 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/data/970c299ce/7e4bb4955269473aa6efa45741178dca/FLAG45dc9b3b4 [2018-10-26 23:01:30,474 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:01:30,475 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 23:01:30,483 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/data/970c299ce/7e4bb4955269473aa6efa45741178dca/FLAG45dc9b3b4 [2018-10-26 23:01:30,494 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/data/970c299ce/7e4bb4955269473aa6efa45741178dca [2018-10-26 23:01:30,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:01:30,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:01:30,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:01:30,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:01:30,505 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:01:30,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf504d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30, skipping insertion in model container [2018-10-26 23:01:30,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:01:30,556 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:01:30,731 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:01:30,735 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:01:30,795 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:01:30,809 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:01:30,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30 WrapperNode [2018-10-26 23:01:30,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:01:30,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:01:30,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:01:30,811 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:01:30,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:01:30,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:01:30,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:01:30,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:01:30,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... [2018-10-26 23:01:30,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:01:30,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:01:30,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:01:30,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:01:30,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:01:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/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 [2018-10-26 23:01:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-10-26 23:01:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-10-26 23:01:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-10-26 23:01:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-10-26 23:01:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:01:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:01:31,162 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:01:31,162 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:01:31,167 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:01:31,167 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:01:31,170 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:01:31,170 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:01:31,824 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:01:31,825 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:01:32,639 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:01:32,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:01:32 BoogieIcfgContainer [2018-10-26 23:01:32,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:01:32,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:01:32,640 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:01:32,649 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:01:32,650 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:01:32" (1/1) ... [2018-10-26 23:01:32,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:01:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2018-10-26 23:01:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2018-10-26 23:01:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 23:01:32,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-10-26 23:01:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-10-26 23:01:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 23:01:33,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-10-26 23:01:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-10-26 23:01:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:01:33,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2018-10-26 23:01:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2018-10-26 23:01:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:01:33,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2018-10-26 23:01:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2018-10-26 23:01:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:01:33,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2018-10-26 23:01:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2018-10-26 23:01:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:01:33,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2018-10-26 23:01:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2018-10-26 23:01:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:01:33,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 106 transitions. [2018-10-26 23:01:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2018-10-26 23:01:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:01:33,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 110 transitions. [2018-10-26 23:01:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2018-10-26 23:01:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:01:33,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 108 transitions. [2018-10-26 23:01:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-10-26 23:01:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:01:34,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 73 states and 102 transitions. [2018-10-26 23:01:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2018-10-26 23:01:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:01:34,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 116 transitions. [2018-10-26 23:01:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2018-10-26 23:01:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:01:34,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 80 states and 114 transitions. [2018-10-26 23:01:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2018-10-26 23:01:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:01:34,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 80 states and 113 transitions. [2018-10-26 23:01:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2018-10-26 23:01:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:01:35,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:35,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 110 transitions. [2018-10-26 23:01:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2018-10-26 23:01:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:01:35,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 110 transitions. [2018-10-26 23:01:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2018-10-26 23:01:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:01:35,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 113 transitions. [2018-10-26 23:01:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-10-26 23:01:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:01:35,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 107 transitions. [2018-10-26 23:01:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2018-10-26 23:01:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:01:35,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 121 transitions. [2018-10-26 23:01:36,476 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2018-10-26 23:01:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:01:36,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 88 states and 132 transitions. [2018-10-26 23:01:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-10-26 23:01:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:01:37,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 89 states and 132 transitions. [2018-10-26 23:01:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2018-10-26 23:01:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:01:37,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 91 states and 135 transitions. [2018-10-26 23:01:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2018-10-26 23:01:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:01:37,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 95 states and 142 transitions. [2018-10-26 23:01:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2018-10-26 23:01:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:01:37,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 152 transitions. [2018-10-26 23:01:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2018-10-26 23:01:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:01:38,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 108 states and 170 transitions. [2018-10-26 23:01:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2018-10-26 23:01:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:01:40,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 107 states and 167 transitions. [2018-10-26 23:01:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2018-10-26 23:01:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:01:40,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 175 transitions. [2018-10-26 23:01:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 175 transitions. [2018-10-26 23:01:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:01:40,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 176 transitions. [2018-10-26 23:01:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2018-10-26 23:01:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:40,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 110 states and 171 transitions. [2018-10-26 23:01:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2018-10-26 23:01:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:40,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 104 states and 159 transitions. [2018-10-26 23:01:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2018-10-26 23:01:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:40,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 114 states and 186 transitions. [2018-10-26 23:01:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2018-10-26 23:01:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:41,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 116 states and 190 transitions. [2018-10-26 23:01:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 190 transitions. [2018-10-26 23:01:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:42,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 118 states and 195 transitions. [2018-10-26 23:01:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-10-26 23:01:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:43,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 120 states and 202 transitions. [2018-10-26 23:01:43,871 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2018-10-26 23:01:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:01:43,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 122 states and 207 transitions. [2018-10-26 23:01:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2018-10-26 23:01:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:01:44,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 122 states and 206 transitions. [2018-10-26 23:01:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2018-10-26 23:01:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:01:44,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 123 states and 206 transitions. [2018-10-26 23:01:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2018-10-26 23:01:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:01:45,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 123 states and 205 transitions. [2018-10-26 23:01:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2018-10-26 23:01:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:01:45,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 124 states and 205 transitions. [2018-10-26 23:01:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 205 transitions. [2018-10-26 23:01:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:01:45,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 125 states and 206 transitions. [2018-10-26 23:01:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 206 transitions. [2018-10-26 23:01:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:01:45,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 127 states and 209 transitions. [2018-10-26 23:01:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 209 transitions. [2018-10-26 23:01:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 23:01:46,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 127 states and 208 transitions. [2018-10-26 23:01:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2018-10-26 23:01:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 23:01:48,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 130 states and 213 transitions. [2018-10-26 23:01:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 213 transitions. [2018-10-26 23:01:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 23:01:48,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 137 states and 223 transitions. [2018-10-26 23:01:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-10-26 23:01:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 23:01:50,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 138 states and 223 transitions. [2018-10-26 23:01:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2018-10-26 23:01:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 23:01:50,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 128 states and 215 transitions. [2018-10-26 23:01:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 215 transitions. [2018-10-26 23:01:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 23:01:51,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:52,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 131 states and 218 transitions. [2018-10-26 23:01:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2018-10-26 23:01:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:01:52,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 134 states and 223 transitions. [2018-10-26 23:01:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 223 transitions. [2018-10-26 23:01:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:01:53,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 132 states and 219 transitions. [2018-10-26 23:01:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 219 transitions. [2018-10-26 23:01:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:01:54,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 111 states and 183 transitions. [2018-10-26 23:01:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2018-10-26 23:01:54,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:01:54,133 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2018-10-26 23:01:54,140 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:01:54,497 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2018-10-26 23:01:54,541 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 23:01:54,551 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-26 23:01:54,552 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,552 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,552 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,552 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:01:54,552 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 23:01:54,553 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,553 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,553 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 23:01:54,555 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-26 23:01:54,556 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,556 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 23:01:54,556 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,556 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,557 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,557 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-26 23:01:54,557 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:01:54,557 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 23:01:54,558 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 23:01:54,558 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:01:54,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,559 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:01:54,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:01:54 ImpRootNode [2018-10-26 23:01:54,559 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:01:54,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:01:54,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:01:54,560 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:01:54,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:01:32" (3/4) ... [2018-10-26 23:01:54,567 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:01:54,572 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-10-26 23:01:54,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-10-26 23:01:54,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2018-10-26 23:01:54,581 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 23:01:54,582 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:01:54,669 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a7e53cb-7864-4716-bd27-2db9bd28d3c0/bin-2019/ukojak/witness.graphml [2018-10-26 23:01:54,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:01:54,670 INFO L168 Benchmark]: Toolchain (without parser) took 24170.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 960.7 MB in the beginning and 927.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 356.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,671 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:01:54,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 944.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,671 INFO L168 Benchmark]: Boogie Preprocessor took 47.09 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,672 INFO L168 Benchmark]: RCFGBuilder took 1741.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,672 INFO L168 Benchmark]: CodeCheck took 21919.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.0 MB). Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 110.2 MB). Peak memory consumption was 283.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,672 INFO L168 Benchmark]: Witness Printer took 110.35 ms. Allocated memory is still 1.4 GB. Free memory was 946.2 MB in the beginning and 927.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:54,677 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 3 procedures, 129 locations, 1 error locations. SAFE Result, 21.4s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 861283840 SDtfs, -723791312 SDslu, 1270205304 SDs, 0 SdLazy, 1934660168 SolverSat, 59179888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13590 GetRequests, 13170 SyntacticMatches, 128 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34822 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1230 ConstructedInterpolants, 0 QuantifiedInterpolants, 65513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((customIrp <= 0 && compRegistered == 0) && pended <= 0) && NP == s) && NP + 4 <= MPR1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: SKIP1 == s || (MPR1 == s && setEventCalled == 1) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (compRegistered == 0 && pended <= 0) && NP == s - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((0 <= status && SKIP1 <= 3) && 3 <= SKIP1) && NP + 4 <= MPR1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((customIrp <= 0 && compRegistered == 0) && pended <= 0) && NP == s) && NP + 4 <= MPR1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: SKIP1 == s || (MPR1 == s && setEventCalled == 1) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (compRegistered == 0 && SKIP1 == s) || (!(compRegistered == 0) && NP == s) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: SKIP1 == s || (MPR1 == s && setEventCalled == 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (compRegistered == 0 && pended <= 0) && NP == s - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((customIrp <= 0 && compRegistered == 0) && pended <= 0) && NP == s) && NP + 4 <= MPR1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: MPR1 == s && setEventCalled == 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (compRegistered == 0 && pended <= 0) && NP == s - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 944.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.09 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1741.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * CodeCheck took 21919.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.0 MB). Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 110.2 MB). Peak memory consumption was 283.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.35 ms. Allocated memory is still 1.4 GB. Free memory was 946.2 MB in the beginning and 927.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...