./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:54:15,765 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:54:15,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:54:15,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:54:15,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:54:15,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:54:15,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:54:15,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:54:15,777 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:54:15,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:54:15,778 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:54:15,778 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:54:15,779 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:54:15,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:54:15,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:54:15,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:54:15,781 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:54:15,783 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:54:15,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:54:15,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:54:15,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:54:15,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:54:15,788 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:54:15,788 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:54:15,788 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:54:15,788 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:54:15,789 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:54:15,790 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:54:15,790 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:54:15,791 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:54:15,791 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:54:15,792 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:54:15,792 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:54:15,792 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:54:15,792 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:54:15,793 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:54:15,793 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 04:54:15,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:54:15,803 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:54:15,804 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:54:15,804 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:54:15,804 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:54:15,804 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:54:15,804 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 04:54:15,805 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:54:15,806 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:54:15,806 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:54:15,806 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:54:15,806 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:54:15,806 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:54:15,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:54:15,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:54:15,807 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:54:15,807 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:54:15,807 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:54:15,807 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:54:15,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:54:15,807 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_8a7d2270-ea13-4472-aa34-a823a577320b/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d [2018-11-10 04:54:15,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:54:15,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:54:15,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:54:15,843 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:54:15,843 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:54:15,844 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-11-10 04:54:15,883 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/data/cc3817d74/b2565dd57a0c42a8a3fea5f21ef614a8/FLAG6d05f9081 [2018-11-10 04:54:16,275 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:54:16,275 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-11-10 04:54:16,279 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/data/cc3817d74/b2565dd57a0c42a8a3fea5f21ef614a8/FLAG6d05f9081 [2018-11-10 04:54:16,289 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/data/cc3817d74/b2565dd57a0c42a8a3fea5f21ef614a8 [2018-11-10 04:54:16,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:54:16,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:54:16,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:54:16,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:54:16,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:54:16,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16, skipping insertion in model container [2018-11-10 04:54:16,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:54:16,322 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:54:16,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:54:16,427 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:54:16,437 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:54:16,444 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:54:16,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16 WrapperNode [2018-11-10 04:54:16,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:54:16,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:54:16,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:54:16,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:54:16,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:54:16,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:54:16,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:54:16,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:54:16,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:54:16,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:54:16,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:54:16,477 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:54:16,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:54:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:54:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:54:16,676 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:54:16,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:54:16 BoogieIcfgContainer [2018-11-10 04:54:16,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:54:16,676 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:54:16,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:54:16,684 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:54:16,684 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:54:16" (1/1) ... [2018-11-10 04:54:16,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:54:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-11-10 04:54:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-11-10 04:54:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:54:16,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:16,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2018-11-10 04:54:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-10 04:54:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:54:16,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2018-11-10 04:54:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-11-10 04:54:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:54:16,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2018-11-10 04:54:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2018-11-10 04:54:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:54:17,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2018-11-10 04:54:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2018-11-10 04:54:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:54:17,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-11-10 04:54:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-11-10 04:54:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:54:17,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2018-11-10 04:54:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2018-11-10 04:54:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:54:17,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2018-11-10 04:54:18,030 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2018-11-10 04:54:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:54:18,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2018-11-10 04:54:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-11-10 04:54:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:54:18,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2018-11-10 04:54:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2018-11-10 04:54:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:54:18,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 132 transitions. [2018-11-10 04:54:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 132 transitions. [2018-11-10 04:54:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:54:18,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2018-11-10 04:54:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2018-11-10 04:54:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:54:18,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2018-11-10 04:54:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2018-11-10 04:54:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:54:19,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2018-11-10 04:54:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2018-11-10 04:54:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:54:19,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 173 transitions. [2018-11-10 04:54:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 173 transitions. [2018-11-10 04:54:20,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:54:20,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 115 states and 208 transitions. [2018-11-10 04:54:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 208 transitions. [2018-11-10 04:54:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:54:21,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:21,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 119 states and 216 transitions. [2018-11-10 04:54:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 216 transitions. [2018-11-10 04:54:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:54:21,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 229 transitions. [2018-11-10 04:54:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2018-11-10 04:54:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:54:22,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 130 states and 237 transitions. [2018-11-10 04:54:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2018-11-10 04:54:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:54:22,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 136 states and 246 transitions. [2018-11-10 04:54:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2018-11-10 04:54:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:54:23,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 140 states and 253 transitions. [2018-11-10 04:54:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 253 transitions. [2018-11-10 04:54:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 04:54:24,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 04:54:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 143 states and 261 transitions. [2018-11-10 04:54:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 261 transitions. [2018-11-10 04:54:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 04:54:24,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 267 transitions. [2018-11-10 04:54:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 267 transitions. [2018-11-10 04:54:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 04:54:25,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 147 states and 269 transitions. [2018-11-10 04:54:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 269 transitions. [2018-11-10 04:54:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 04:54:25,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 152 states and 283 transitions. [2018-11-10 04:54:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 283 transitions. [2018-11-10 04:54:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 04:54:26,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 158 states and 300 transitions. [2018-11-10 04:54:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 300 transitions. [2018-11-10 04:54:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:26,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 159 states and 302 transitions. [2018-11-10 04:54:27,152 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 302 transitions. [2018-11-10 04:54:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:27,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:54:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 174 states and 338 transitions. [2018-11-10 04:54:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 338 transitions. [2018-11-10 04:54:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:28,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 180 states and 347 transitions. [2018-11-10 04:54:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 347 transitions. [2018-11-10 04:54:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:29,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 189 states and 362 transitions. [2018-11-10 04:54:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 362 transitions. [2018-11-10 04:54:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:30,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:54:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 190 states and 367 transitions. [2018-11-10 04:54:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 367 transitions. [2018-11-10 04:54:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:31,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 196 states and 378 transitions. [2018-11-10 04:54:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 378 transitions. [2018-11-10 04:54:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:32,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:54:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 198 states and 380 transitions. [2018-11-10 04:54:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 380 transitions. [2018-11-10 04:54:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:32,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 203 states and 386 transitions. [2018-11-10 04:54:33,481 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 386 transitions. [2018-11-10 04:54:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:33,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:54:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 207 states and 395 transitions. [2018-11-10 04:54:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 395 transitions. [2018-11-10 04:54:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:54:34,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:54:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 209 states and 397 transitions. [2018-11-10 04:54:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 397 transitions. [2018-11-10 04:54:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:34,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 210 states and 400 transitions. [2018-11-10 04:54:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 400 transitions. [2018-11-10 04:54:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:34,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 215 states and 411 transitions. [2018-11-10 04:54:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 411 transitions. [2018-11-10 04:54:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:35,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 216 states and 414 transitions. [2018-11-10 04:54:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 414 transitions. [2018-11-10 04:54:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:35,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 223 states and 423 transitions. [2018-11-10 04:54:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 423 transitions. [2018-11-10 04:54:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:36,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 226 states and 428 transitions. [2018-11-10 04:54:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 428 transitions. [2018-11-10 04:54:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:37,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 231 states and 441 transitions. [2018-11-10 04:54:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 441 transitions. [2018-11-10 04:54:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:38,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 234 states and 447 transitions. [2018-11-10 04:54:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 447 transitions. [2018-11-10 04:54:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:38,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 235 states and 450 transitions. [2018-11-10 04:54:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 450 transitions. [2018-11-10 04:54:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:54:39,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:54:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 235 states and 448 transitions. [2018-11-10 04:54:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 448 transitions. [2018-11-10 04:54:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:39,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 242 states and 465 transitions. [2018-11-10 04:54:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 465 transitions. [2018-11-10 04:54:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:40,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 04:54:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 244 states and 469 transitions. [2018-11-10 04:54:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 469 transitions. [2018-11-10 04:54:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:41,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 04:54:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 246 states and 472 transitions. [2018-11-10 04:54:41,907 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 472 transitions. [2018-11-10 04:54:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:41,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 04:54:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 250 states and 478 transitions. [2018-11-10 04:54:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 478 transitions. [2018-11-10 04:54:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:42,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 250 states and 477 transitions. [2018-11-10 04:54:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 477 transitions. [2018-11-10 04:54:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:43,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 250 states and 476 transitions. [2018-11-10 04:54:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 476 transitions. [2018-11-10 04:54:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:54:43,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 252 states and 477 transitions. [2018-11-10 04:54:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 477 transitions. [2018-11-10 04:54:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:44,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 259 states and 497 transitions. [2018-11-10 04:54:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 497 transitions. [2018-11-10 04:54:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:45,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 265 states and 508 transitions. [2018-11-10 04:54:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 508 transitions. [2018-11-10 04:54:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:46,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 274 states and 546 transitions. [2018-11-10 04:54:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 546 transitions. [2018-11-10 04:54:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:48,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 276 states and 553 transitions. [2018-11-10 04:54:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 553 transitions. [2018-11-10 04:54:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:48,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 276 states and 552 transitions. [2018-11-10 04:54:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 552 transitions. [2018-11-10 04:54:49,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:49,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 273 states and 545 transitions. [2018-11-10 04:54:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 545 transitions. [2018-11-10 04:54:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:49,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:49,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:54:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 273 states and 544 transitions. [2018-11-10 04:54:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 544 transitions. [2018-11-10 04:54:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:54:50,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:54:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 276 states and 549 transitions. [2018-11-10 04:54:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 549 transitions. [2018-11-10 04:54:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:50,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 04:54:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 277 states and 549 transitions. [2018-11-10 04:54:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 549 transitions. [2018-11-10 04:54:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:51,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:54:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 278 states and 550 transitions. [2018-11-10 04:54:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 550 transitions. [2018-11-10 04:54:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:51,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 280 states and 554 transitions. [2018-11-10 04:54:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 554 transitions. [2018-11-10 04:54:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:51,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 286 states and 566 transitions. [2018-11-10 04:54:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 566 transitions. [2018-11-10 04:54:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:52,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 290 states and 572 transitions. [2018-11-10 04:54:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 572 transitions. [2018-11-10 04:54:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:53,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:54:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 292 states and 576 transitions. [2018-11-10 04:54:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 576 transitions. [2018-11-10 04:54:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:53,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:54:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 294 states and 580 transitions. [2018-11-10 04:54:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 580 transitions. [2018-11-10 04:54:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:54,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:54:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 298 states and 589 transitions. [2018-11-10 04:54:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 589 transitions. [2018-11-10 04:54:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:55,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:54:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 307 states and 603 transitions. [2018-11-10 04:54:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 603 transitions. [2018-11-10 04:54:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:56,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 04:54:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 307 states and 601 transitions. [2018-11-10 04:54:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 601 transitions. [2018-11-10 04:54:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:57,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:54:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 311 states and 610 transitions. [2018-11-10 04:54:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 610 transitions. [2018-11-10 04:54:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:58,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:54:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 312 states and 614 transitions. [2018-11-10 04:54:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 614 transitions. [2018-11-10 04:54:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:58,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:58,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 04:54:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 312 states and 613 transitions. [2018-11-10 04:54:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 613 transitions. [2018-11-10 04:54:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:59,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 04:54:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 314 states and 615 transitions. [2018-11-10 04:54:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 615 transitions. [2018-11-10 04:54:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:54:59,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 04:55:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 317 states and 621 transitions. [2018-11-10 04:55:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 621 transitions. [2018-11-10 04:55:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:00,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:55:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 319 states and 623 transitions. [2018-11-10 04:55:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 623 transitions. [2018-11-10 04:55:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:01,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:55:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 320 states and 626 transitions. [2018-11-10 04:55:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 626 transitions. [2018-11-10 04:55:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:01,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:55:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 324 states and 635 transitions. [2018-11-10 04:55:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 635 transitions. [2018-11-10 04:55:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:02,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:55:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 326 states and 639 transitions. [2018-11-10 04:55:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 639 transitions. [2018-11-10 04:55:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:03,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 326 states and 638 transitions. [2018-11-10 04:55:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 638 transitions. [2018-11-10 04:55:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:03,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:55:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 328 states and 641 transitions. [2018-11-10 04:55:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 641 transitions. [2018-11-10 04:55:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:03,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:55:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 330 states and 644 transitions. [2018-11-10 04:55:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 644 transitions. [2018-11-10 04:55:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:04,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 04:55:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 333 states and 647 transitions. [2018-11-10 04:55:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 647 transitions. [2018-11-10 04:55:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:04,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 335 states and 649 transitions. [2018-11-10 04:55:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 649 transitions. [2018-11-10 04:55:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:05,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 04:55:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 337 states and 651 transitions. [2018-11-10 04:55:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 651 transitions. [2018-11-10 04:55:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:05,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 04:55:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 343 states and 663 transitions. [2018-11-10 04:55:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 663 transitions. [2018-11-10 04:55:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:07,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 04:55:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 344 states and 664 transitions. [2018-11-10 04:55:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 664 transitions. [2018-11-10 04:55:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:07,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 04:55:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:09,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 350 states and 671 transitions. [2018-11-10 04:55:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 671 transitions. [2018-11-10 04:55:09,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:09,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 352 states and 673 transitions. [2018-11-10 04:55:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 673 transitions. [2018-11-10 04:55:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:10,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:55:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 354 states and 676 transitions. [2018-11-10 04:55:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 676 transitions. [2018-11-10 04:55:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:11,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:55:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 358 states and 685 transitions. [2018-11-10 04:55:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 685 transitions. [2018-11-10 04:55:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:11,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 04:55:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 358 states and 683 transitions. [2018-11-10 04:55:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 683 transitions. [2018-11-10 04:55:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:12,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:55:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 360 states and 690 transitions. [2018-11-10 04:55:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 690 transitions. [2018-11-10 04:55:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:13,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:55:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 362 states and 693 transitions. [2018-11-10 04:55:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 693 transitions. [2018-11-10 04:55:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:13,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:13,734 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 04:55:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 366 states and 702 transitions. [2018-11-10 04:55:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 702 transitions. [2018-11-10 04:55:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:14,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 04:55:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 368 states and 707 transitions. [2018-11-10 04:55:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 707 transitions. [2018-11-10 04:55:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:15,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 04:55:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 369 states and 708 transitions. [2018-11-10 04:55:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 708 transitions. [2018-11-10 04:55:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:15,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 373 states and 715 transitions. [2018-11-10 04:55:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 715 transitions. [2018-11-10 04:55:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:16,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 04:55:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 374 states and 715 transitions. [2018-11-10 04:55:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 715 transitions. [2018-11-10 04:55:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:55:16,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 04:55:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 376 states and 717 transitions. [2018-11-10 04:55:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 717 transitions. [2018-11-10 04:55:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:17,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 04:55:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 377 states and 719 transitions. [2018-11-10 04:55:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 719 transitions. [2018-11-10 04:55:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:17,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:55:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 385 states and 732 transitions. [2018-11-10 04:55:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 732 transitions. [2018-11-10 04:55:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:20,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:55:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 388 states and 739 transitions. [2018-11-10 04:55:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 739 transitions. [2018-11-10 04:55:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:21,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:55:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 394 states and 748 transitions. [2018-11-10 04:55:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 748 transitions. [2018-11-10 04:55:22,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:22,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:55:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 397 states and 751 transitions. [2018-11-10 04:55:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 751 transitions. [2018-11-10 04:55:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:23,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:55:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 400 states and 756 transitions. [2018-11-10 04:55:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 756 transitions. [2018-11-10 04:55:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:23,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 04:55:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 404 states and 767 transitions. [2018-11-10 04:55:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 767 transitions. [2018-11-10 04:55:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:55:25,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:26,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 408 states and 774 transitions. [2018-11-10 04:55:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 774 transitions. [2018-11-10 04:55:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:26,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 04:55:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 410 states and 777 transitions. [2018-11-10 04:55:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 777 transitions. [2018-11-10 04:55:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:26,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 04:55:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 414 states and 782 transitions. [2018-11-10 04:55:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 782 transitions. [2018-11-10 04:55:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:27,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 04:55:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 417 states and 785 transitions. [2018-11-10 04:55:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 785 transitions. [2018-11-10 04:55:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:28,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 04:55:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 419 states and 791 transitions. [2018-11-10 04:55:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 791 transitions. [2018-11-10 04:55:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:29,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 04:55:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 421 states and 795 transitions. [2018-11-10 04:55:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 795 transitions. [2018-11-10 04:55:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:29,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 04:55:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 425 states and 802 transitions. [2018-11-10 04:55:30,657 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 802 transitions. [2018-11-10 04:55:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:30,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 04:55:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 427 states and 804 transitions. [2018-11-10 04:55:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 804 transitions. [2018-11-10 04:55:30,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:55:30,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 04:55:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 430 states and 808 transitions. [2018-11-10 04:55:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 808 transitions. [2018-11-10 04:55:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 04:55:31,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 04:55:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 429 states and 804 transitions. [2018-11-10 04:55:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 804 transitions. [2018-11-10 04:55:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 04:55:31,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 04:55:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 431 states and 806 transitions. [2018-11-10 04:55:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 806 transitions. [2018-11-10 04:55:32,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 04:55:32,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 432 states and 806 transitions. [2018-11-10 04:55:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 806 transitions. [2018-11-10 04:55:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 04:55:33,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 04:55:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 434 states and 807 transitions. [2018-11-10 04:55:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 807 transitions. [2018-11-10 04:55:33,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:33,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:55:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 435 states and 811 transitions. [2018-11-10 04:55:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 811 transitions. [2018-11-10 04:55:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:34,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:55:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 437 states and 813 transitions. [2018-11-10 04:55:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 813 transitions. [2018-11-10 04:55:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:35,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:55:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 438 states and 814 transitions. [2018-11-10 04:55:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 814 transitions. [2018-11-10 04:55:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:35,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:55:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 439 states and 815 transitions. [2018-11-10 04:55:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 815 transitions. [2018-11-10 04:55:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:36,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:55:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 441 states and 819 transitions. [2018-11-10 04:55:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 819 transitions. [2018-11-10 04:55:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:36,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 446 states and 828 transitions. [2018-11-10 04:55:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 828 transitions. [2018-11-10 04:55:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:37,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 450 states and 835 transitions. [2018-11-10 04:55:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 835 transitions. [2018-11-10 04:55:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:38,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 453 states and 844 transitions. [2018-11-10 04:55:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 844 transitions. [2018-11-10 04:55:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:39,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 457 states and 853 transitions. [2018-11-10 04:55:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 853 transitions. [2018-11-10 04:55:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:40,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 459 states and 856 transitions. [2018-11-10 04:55:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 856 transitions. [2018-11-10 04:55:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:41,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 04:55:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 459 states and 855 transitions. [2018-11-10 04:55:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 855 transitions. [2018-11-10 04:55:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:41,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 04:55:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 461 states and 857 transitions. [2018-11-10 04:55:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 857 transitions. [2018-11-10 04:55:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:41,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 04:55:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 462 states and 857 transitions. [2018-11-10 04:55:42,503 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 857 transitions. [2018-11-10 04:55:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:42,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 04:55:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 468 states and 866 transitions. [2018-11-10 04:55:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 866 transitions. [2018-11-10 04:55:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:44,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 469 states and 866 transitions. [2018-11-10 04:55:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 866 transitions. [2018-11-10 04:55:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:44,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 04:55:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 471 states and 867 transitions. [2018-11-10 04:55:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 867 transitions. [2018-11-10 04:55:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:45,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 04:55:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 472 states and 867 transitions. [2018-11-10 04:55:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 867 transitions. [2018-11-10 04:55:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:45,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:55:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 477 states and 873 transitions. [2018-11-10 04:55:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 873 transitions. [2018-11-10 04:55:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 04:55:47,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 04:55:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 479 states and 875 transitions. [2018-11-10 04:55:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 875 transitions. [2018-11-10 04:55:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 04:55:48,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 04:55:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 482 states and 877 transitions. [2018-11-10 04:55:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 877 transitions. [2018-11-10 04:55:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 04:55:48,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 04:55:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 483 states and 877 transitions. [2018-11-10 04:55:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 877 transitions. [2018-11-10 04:55:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 04:55:49,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 04:55:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 485 states and 878 transitions. [2018-11-10 04:55:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 878 transitions. [2018-11-10 04:55:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 04:55:49,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:55:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 487 states and 880 transitions. [2018-11-10 04:55:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 880 transitions. [2018-11-10 04:55:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 04:55:50,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 04:55:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 491 states and 884 transitions. [2018-11-10 04:55:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 884 transitions. [2018-11-10 04:55:51,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 04:55:51,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 04:55:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 495 states and 891 transitions. [2018-11-10 04:55:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 891 transitions. [2018-11-10 04:55:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 04:55:52,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 04:55:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 500 states and 897 transitions. [2018-11-10 04:55:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 897 transitions. [2018-11-10 04:55:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 04:55:54,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:54,074 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 04:55:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 504 states and 901 transitions. [2018-11-10 04:55:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 901 transitions. [2018-11-10 04:55:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 04:55:55,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 04:55:55,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 505 states and 901 transitions. [2018-11-10 04:55:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 901 transitions. [2018-11-10 04:55:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 04:55:55,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 04:55:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 127 states and 195 transitions. [2018-11-10 04:55:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 195 transitions. [2018-11-10 04:55:56,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:55:56,100 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 149 iterations. [2018-11-10 04:55:56,106 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-10 04:55:56,230 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-10 04:55:56,357 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-10 04:55:56,481 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-10 04:55:56,855 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-11-10 04:55:57,077 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-10 04:55:57,218 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-11-10 04:55:57,408 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-11-10 04:55:57,408 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 04:55:57,414 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:55:57,414 INFO L582 CodeCheckObserver]: Invariant with dag size 32 [2018-11-10 04:55:57,416 INFO L582 CodeCheckObserver]: Invariant with dag size 35 [2018-11-10 04:55:57,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:55:57 ImpRootNode [2018-11-10 04:55:57,419 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:55:57,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:55:57,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:55:57,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:55:57,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:54:16" (3/4) ... [2018-11-10 04:55:57,424 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:55:57,433 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 04:55:57,433 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 04:55:57,433 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:55:57,467 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8a7d2270-ea13-4472-aa34-a823a577320b/bin-2019/ukojak/witness.graphml [2018-11-10 04:55:57,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:55:57,468 INFO L168 Benchmark]: Toolchain (without parser) took 101176.30 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 959.3 MB in the beginning and 1.3 GB in the end (delta: -348.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-10 04:55:57,469 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:55:57,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.04 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:57,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:55:57,470 INFO L168 Benchmark]: Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:57,470 INFO L168 Benchmark]: RCFGBuilder took 199.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:57,470 INFO L168 Benchmark]: CodeCheck took 100742.15 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-10 04:55:57,470 INFO L168 Benchmark]: Witness Printer took 48.82 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-11-10 04:55:57,472 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 1 procedures, 30 locations, 8 error locations. SAFE Result, 99.4s OverallTime, 149 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1139822264 SDslu, 265834976 SDs, 0 SdLazy, 1913957172 SolverSat, -1115041016 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 161.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41249 GetRequests, 36936 SyntacticMatches, 3073 SemanticMatches, 1240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790837 ImplicationChecksByTransitivity, 95.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 4127 NumberOfCodeBlocks, 4127 NumberOfCodeBlocksAsserted, 148 NumberOfCheckSat, 3979 ConstructedInterpolants, 0 QuantifiedInterpolants, 359289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 148 InterpolantComputations, 46 PerfectInterpolantSequences, 2176/2898 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && N <= 2147483647 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && i + 1 < 0) || ((((((i < 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 <= i + 1) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 < i) && i <= 2147483646) && N <= 2147483647)) || ((((((i <= 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && 0 <= i) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && 0 <= k + 1) && k < 0) && N <= 2147483647) || ((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && k + 1 < 0) && 0 <= k + 2147483648) && N <= 2147483647)) || ((((((n <= 2147483647 && k <= 0) && 0 <= k) && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N < 0) && k <= 2147483646) && 0 <= k + 2147483648)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < k) && 0 <= j + 2147483648) && 0 <= N) && k <= 2147483646) && N <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.04 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 199.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 100742.15 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 48.82 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...