./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:09:22,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:09:22,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:09:22,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:09:22,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:09:22,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:09:22,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:09:22,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:09:22,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:09:22,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:09:22,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:09:22,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:09:22,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:09:22,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:09:22,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:09:22,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:09:22,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:09:22,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:09:22,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:09:22,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:09:22,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:09:22,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:09:22,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:09:22,616 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:09:22,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:09:22,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:09:22,617 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:09:22,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:09:22,618 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:09:22,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:09:22,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:09:22,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:09:22,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:09:22,620 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:09:22,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:09:22,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:09:22,621 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:09:22,631 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:09:22,631 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:09:22,632 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:09:22,632 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:09:22,633 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:09:22,633 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:09:22,633 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:09:22,633 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:09:22,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:09:22,633 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:09:22,634 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:09:22,635 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:09:22,635 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:09:22,635 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:09:22,635 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:09:22,635 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:09:22,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:09:22,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:09:22,636 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:09:22,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:09:22,636 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:09:22,636 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:09:22,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:09:22,636 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_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 [2018-11-23 15:09:22,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:09:22,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:09:22,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:09:22,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:09:22,668 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:09:22,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-11-23 15:09:22,703 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/data/a5dc25f34/ff4d317d42f74daaaaed4c6e809aa855/FLAGf342620cd [2018-11-23 15:09:23,151 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:09:23,152 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-11-23 15:09:23,160 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/data/a5dc25f34/ff4d317d42f74daaaaed4c6e809aa855/FLAGf342620cd [2018-11-23 15:09:23,172 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/data/a5dc25f34/ff4d317d42f74daaaaed4c6e809aa855 [2018-11-23 15:09:23,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:09:23,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:09:23,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:23,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:09:23,179 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:09:23,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23, skipping insertion in model container [2018-11-23 15:09:23,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:09:23,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:09:23,458 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:23,462 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:09:23,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:23,541 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:09:23,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23 WrapperNode [2018-11-23 15:09:23,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:23,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:23,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:09:23,542 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:09:23,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:23,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:09:23,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:09:23,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:09:23,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... [2018-11-23 15:09:23,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:09:23,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:09:23,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:09:23,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:09:23,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/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 [2018-11-23 15:09:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:09:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:09:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:09:25,036 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:09:25,036 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 15:09:25,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:25 BoogieIcfgContainer [2018-11-23 15:09:25,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:09:25,037 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:09:25,037 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:09:25,044 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:09:25,044 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:25" (1/1) ... [2018-11-23 15:09:25,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:09:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 15:09:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 15:09:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 15:09:25,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:25,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-11-23 15:09:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-11-23 15:09:25,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 15:09:25,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-11-23 15:09:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-11-23 15:09:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 15:09:25,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-11-23 15:09:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-11-23 15:09:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:09:26,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 220 states and 301 transitions. [2018-11-23 15:09:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2018-11-23 15:09:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:09:26,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 232 states and 317 transitions. [2018-11-23 15:09:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 317 transitions. [2018-11-23 15:09:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 15:09:26,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 236 states and 323 transitions. [2018-11-23 15:09:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 323 transitions. [2018-11-23 15:09:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 15:09:26,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 238 states and 324 transitions. [2018-11-23 15:09:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 324 transitions. [2018-11-23 15:09:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 15:09:26,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:09:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 251 states and 339 transitions. [2018-11-23 15:09:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 339 transitions. [2018-11-23 15:09:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 15:09:27,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 254 states and 343 transitions. [2018-11-23 15:09:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 343 transitions. [2018-11-23 15:09:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 15:09:27,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 255 states and 344 transitions. [2018-11-23 15:09:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2018-11-23 15:09:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 15:09:27,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 269 states and 363 transitions. [2018-11-23 15:09:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 363 transitions. [2018-11-23 15:09:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 15:09:27,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:28,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 295 states and 393 transitions. [2018-11-23 15:09:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 393 transitions. [2018-11-23 15:09:28,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 15:09:28,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 306 states and 406 transitions. [2018-11-23 15:09:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 406 transitions. [2018-11-23 15:09:28,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 15:09:28,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 321 states and 423 transitions. [2018-11-23 15:09:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 423 transitions. [2018-11-23 15:09:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 15:09:28,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 323 states and 424 transitions. [2018-11-23 15:09:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 424 transitions. [2018-11-23 15:09:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 15:09:28,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:09:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 324 states and 426 transitions. [2018-11-23 15:09:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 426 transitions. [2018-11-23 15:09:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 15:09:28,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:09:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 326 states and 428 transitions. [2018-11-23 15:09:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 428 transitions. [2018-11-23 15:09:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 15:09:29,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 340 states and 442 transitions. [2018-11-23 15:09:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 442 transitions. [2018-11-23 15:09:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:09:29,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 354 states and 457 transitions. [2018-11-23 15:09:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 457 transitions. [2018-11-23 15:09:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 15:09:29,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 357 states and 461 transitions. [2018-11-23 15:09:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 461 transitions. [2018-11-23 15:09:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 15:09:29,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 382 states and 489 transitions. [2018-11-23 15:09:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 489 transitions. [2018-11-23 15:09:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 15:09:30,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 421 states and 533 transitions. [2018-11-23 15:09:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 533 transitions. [2018-11-23 15:09:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 15:09:31,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:09:31,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 431 states and 545 transitions. [2018-11-23 15:09:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 545 transitions. [2018-11-23 15:09:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 15:09:31,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:09:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 432 states and 546 transitions. [2018-11-23 15:09:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 546 transitions. [2018-11-23 15:09:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 15:09:31,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 445 states and 567 transitions. [2018-11-23 15:09:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 567 transitions. [2018-11-23 15:09:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 15:09:31,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:09:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 450 states and 574 transitions. [2018-11-23 15:09:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 574 transitions. [2018-11-23 15:09:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 15:09:32,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 459 states and 589 transitions. [2018-11-23 15:09:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 589 transitions. [2018-11-23 15:09:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 15:09:33,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 473 states and 605 transitions. [2018-11-23 15:09:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 605 transitions. [2018-11-23 15:09:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 15:09:33,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 521 states and 662 transitions. [2018-11-23 15:09:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 662 transitions. [2018-11-23 15:09:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 15:09:35,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 15:09:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 567 states and 719 transitions. [2018-11-23 15:09:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 719 transitions. [2018-11-23 15:09:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 15:09:37,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 574 states and 728 transitions. [2018-11-23 15:09:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 728 transitions. [2018-11-23 15:09:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 15:09:37,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 622 states and 784 transitions. [2018-11-23 15:09:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 784 transitions. [2018-11-23 15:09:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 15:09:39,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 664 states and 830 transitions. [2018-11-23 15:09:39,965 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 830 transitions. [2018-11-23 15:09:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 15:09:39,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 675 states and 842 transitions. [2018-11-23 15:09:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 842 transitions. [2018-11-23 15:09:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 15:09:40,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 706 states and 876 transitions. [2018-11-23 15:09:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 876 transitions. [2018-11-23 15:09:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 15:09:41,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:09:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 717 states and 886 transitions. [2018-11-23 15:09:41,454 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 886 transitions. [2018-11-23 15:09:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:09:41,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 747 states and 927 transitions. [2018-11-23 15:09:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 927 transitions. [2018-11-23 15:09:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:09:43,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:43,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 752 states and 935 transitions. [2018-11-23 15:09:43,590 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 935 transitions. [2018-11-23 15:09:43,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 15:09:43,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:09:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 759 states and 944 transitions. [2018-11-23 15:09:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 944 transitions. [2018-11-23 15:09:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 15:09:43,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:09:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 808 states and 998 transitions. [2018-11-23 15:09:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 998 transitions. [2018-11-23 15:09:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 15:09:44,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 833 states and 1025 transitions. [2018-11-23 15:09:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1025 transitions. [2018-11-23 15:09:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 15:09:45,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:09:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 837 states and 1028 transitions. [2018-11-23 15:09:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1028 transitions. [2018-11-23 15:09:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:09:45,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 875 states and 1078 transitions. [2018-11-23 15:09:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1078 transitions. [2018-11-23 15:09:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:09:47,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 906 states and 1108 transitions. [2018-11-23 15:09:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1108 transitions. [2018-11-23 15:09:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:09:48,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:09:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 923 states and 1126 transitions. [2018-11-23 15:09:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1126 transitions. [2018-11-23 15:09:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 15:09:48,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:09:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 925 states and 1129 transitions. [2018-11-23 15:09:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1129 transitions. [2018-11-23 15:09:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 15:09:48,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:09:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 928 states and 1132 transitions. [2018-11-23 15:09:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1132 transitions. [2018-11-23 15:09:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 15:09:48,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:09:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 996 states and 1200 transitions. [2018-11-23 15:09:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1200 transitions. [2018-11-23 15:09:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 15:09:49,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:09:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1007 states and 1215 transitions. [2018-11-23 15:09:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1215 transitions. [2018-11-23 15:09:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 15:09:49,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:09:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1009 states and 1217 transitions. [2018-11-23 15:09:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1217 transitions. [2018-11-23 15:09:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 15:09:50,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:09:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:51,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1037 states and 1252 transitions. [2018-11-23 15:09:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1252 transitions. [2018-11-23 15:09:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 15:09:51,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:09:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1048 states and 1265 transitions. [2018-11-23 15:09:52,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1265 transitions. [2018-11-23 15:09:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:09:52,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 15:09:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1050 states and 1267 transitions. [2018-11-23 15:09:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1267 transitions. [2018-11-23 15:09:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 15:09:52,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 124 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:09:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1061 states and 1279 transitions. [2018-11-23 15:09:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1279 transitions. [2018-11-23 15:09:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 15:09:54,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:09:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1076 states and 1299 transitions. [2018-11-23 15:09:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1299 transitions. [2018-11-23 15:09:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 15:09:55,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:09:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1081 states and 1305 transitions. [2018-11-23 15:09:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1305 transitions. [2018-11-23 15:09:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 15:09:55,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:09:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1139 states and 1367 transitions. [2018-11-23 15:09:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1367 transitions. [2018-11-23 15:09:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 15:09:56,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 15:09:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:09:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1205 states and 1440 transitions. [2018-11-23 15:09:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1440 transitions. [2018-11-23 15:09:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 15:09:58,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:09:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1238 states and 1481 transitions. [2018-11-23 15:10:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1481 transitions. [2018-11-23 15:10:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 15:10:00,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:10:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1239 states and 1482 transitions. [2018-11-23 15:10:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1482 transitions. [2018-11-23 15:10:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 15:10:00,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:10:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1279 states and 1533 transitions. [2018-11-23 15:10:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1533 transitions. [2018-11-23 15:10:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 15:10:03,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:10:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1295 states and 1555 transitions. [2018-11-23 15:10:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1555 transitions. [2018-11-23 15:10:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 15:10:04,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:10:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1309 states and 1568 transitions. [2018-11-23 15:10:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1568 transitions. [2018-11-23 15:10:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 15:10:05,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:10:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1324 states and 1592 transitions. [2018-11-23 15:10:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1592 transitions. [2018-11-23 15:10:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 15:10:07,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:10:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1333 states and 1600 transitions. [2018-11-23 15:10:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1600 transitions. [2018-11-23 15:10:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 15:10:08,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 150 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1368 states and 1643 transitions. [2018-11-23 15:10:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1643 transitions. [2018-11-23 15:10:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 15:10:11,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:10:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1374 states and 1649 transitions. [2018-11-23 15:10:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1649 transitions. [2018-11-23 15:10:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:10:11,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:10:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1384 states and 1660 transitions. [2018-11-23 15:10:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1660 transitions. [2018-11-23 15:10:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:10:12,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:10:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1386 states and 1661 transitions. [2018-11-23 15:10:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1661 transitions. [2018-11-23 15:10:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:10:12,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:10:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:13,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1388 states and 1662 transitions. [2018-11-23 15:10:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1662 transitions. [2018-11-23 15:10:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 15:10:13,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:10:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:15,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1424 states and 1705 transitions. [2018-11-23 15:10:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1705 transitions. [2018-11-23 15:10:15,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 15:10:15,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1484 states and 1778 transitions. [2018-11-23 15:10:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1778 transitions. [2018-11-23 15:10:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 15:10:20,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1489 states and 1783 transitions. [2018-11-23 15:10:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1783 transitions. [2018-11-23 15:10:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 15:10:20,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:24,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:24,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1528 states and 1830 transitions. [2018-11-23 15:10:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1830 transitions. [2018-11-23 15:10:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 15:10:24,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1530 states and 1831 transitions. [2018-11-23 15:10:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1831 transitions. [2018-11-23 15:10:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 15:10:25,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:10:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1532 states and 1832 transitions. [2018-11-23 15:10:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1832 transitions. [2018-11-23 15:10:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 15:10:25,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 140 proven. 39 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:10:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1556 states and 1859 transitions. [2018-11-23 15:10:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1859 transitions. [2018-11-23 15:10:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 15:10:29,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 140 proven. 39 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:10:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1573 states and 1876 transitions. [2018-11-23 15:10:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1876 transitions. [2018-11-23 15:10:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 15:10:30,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 190 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:10:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1605 states and 1911 transitions. [2018-11-23 15:10:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1911 transitions. [2018-11-23 15:10:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 15:10:32,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:10:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1634 states and 1942 transitions. [2018-11-23 15:10:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1942 transitions. [2018-11-23 15:10:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 15:10:32,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1681 states and 1997 transitions. [2018-11-23 15:10:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 1997 transitions. [2018-11-23 15:10:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:10:36,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1700 states and 2017 transitions. [2018-11-23 15:10:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2017 transitions. [2018-11-23 15:10:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 15:10:38,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:10:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1711 states and 2030 transitions. [2018-11-23 15:10:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2030 transitions. [2018-11-23 15:10:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 15:10:41,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:10:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 1746 states and 2067 transitions. [2018-11-23 15:10:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2067 transitions. [2018-11-23 15:10:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 15:10:43,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:10:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1748 states and 2068 transitions. [2018-11-23 15:10:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2068 transitions. [2018-11-23 15:10:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 15:10:44,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 15:10:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1753 states and 2075 transitions. [2018-11-23 15:10:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2075 transitions. [2018-11-23 15:10:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 15:10:44,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 15:10:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1758 states and 2082 transitions. [2018-11-23 15:10:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2082 transitions. [2018-11-23 15:10:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 15:10:44,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 15:10:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1828 states and 2154 transitions. [2018-11-23 15:10:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2154 transitions. [2018-11-23 15:10:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 15:10:45,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:45,977 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 63 proven. 148 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:10:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1903 states and 2235 transitions. [2018-11-23 15:10:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2235 transitions. [2018-11-23 15:10:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 15:10:47,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-23 15:10:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1904 states and 2235 transitions. [2018-11-23 15:10:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2235 transitions. [2018-11-23 15:10:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 15:10:47,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 15:10:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2002 states and 2360 transitions. [2018-11-23 15:10:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2360 transitions. [2018-11-23 15:10:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 15:10:51,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 15:10:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2025 states and 2382 transitions. [2018-11-23 15:10:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2382 transitions. [2018-11-23 15:10:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 15:10:51,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 15:10:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2027 states and 2382 transitions. [2018-11-23 15:10:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2382 transitions. [2018-11-23 15:10:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 15:10:52,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 15:10:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2052 states and 2407 transitions. [2018-11-23 15:10:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2407 transitions. [2018-11-23 15:10:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 15:10:52,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:10:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2094 states and 2460 transitions. [2018-11-23 15:10:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2460 transitions. [2018-11-23 15:10:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 15:10:56,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:10:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2098 states and 2464 transitions. [2018-11-23 15:10:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2464 transitions. [2018-11-23 15:10:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 15:10:57,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:10:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2104 states and 2470 transitions. [2018-11-23 15:10:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2470 transitions. [2018-11-23 15:10:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-23 15:10:58,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 299 proven. 22 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:10:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:10:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2110 states and 2477 transitions. [2018-11-23 15:10:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2477 transitions. [2018-11-23 15:10:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 15:10:59,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:10:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:11:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2139 states and 2514 transitions. [2018-11-23 15:11:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2514 transitions. [2018-11-23 15:11:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 15:11:02,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:11:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2149 states and 2523 transitions. [2018-11-23 15:11:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2523 transitions. [2018-11-23 15:11:04,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 15:11:04,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 269 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:11:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2161 states and 2535 transitions. [2018-11-23 15:11:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2535 transitions. [2018-11-23 15:11:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 15:11:04,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 285 proven. 54 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:11:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2179 states and 2554 transitions. [2018-11-23 15:11:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2554 transitions. [2018-11-23 15:11:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:06,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2185 states and 2569 transitions. [2018-11-23 15:11:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2569 transitions. [2018-11-23 15:11:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:08,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2186 states and 2571 transitions. [2018-11-23 15:11:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2571 transitions. [2018-11-23 15:11:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:08,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2189 states and 2575 transitions. [2018-11-23 15:11:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2575 transitions. [2018-11-23 15:11:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:09,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2190 states and 2575 transitions. [2018-11-23 15:11:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2575 transitions. [2018-11-23 15:11:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:09,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2217 states and 2602 transitions. [2018-11-23 15:11:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2602 transitions. [2018-11-23 15:11:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:11,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2224 states and 2608 transitions. [2018-11-23 15:11:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2608 transitions. [2018-11-23 15:11:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 15:11:12,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:11:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2226 states and 2610 transitions. [2018-11-23 15:11:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2610 transitions. [2018-11-23 15:11:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-23 15:11:13,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-11-23 15:11:13,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2296 states and 2684 transitions. [2018-11-23 15:11:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2684 transitions. [2018-11-23 15:11:13,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 15:11:13,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 15:11:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2305 states and 2695 transitions. [2018-11-23 15:11:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2695 transitions. [2018-11-23 15:11:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 15:11:16,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 15:11:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:19,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2347 states and 2737 transitions. [2018-11-23 15:11:19,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2737 transitions. [2018-11-23 15:11:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 15:11:19,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 15:11:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2353 states and 2742 transitions. [2018-11-23 15:11:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2742 transitions. [2018-11-23 15:11:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 15:11:20,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 123 proven. 219 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 15:11:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2358 states and 2750 transitions. [2018-11-23 15:11:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2750 transitions. [2018-11-23 15:11:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 15:11:21,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 15:11:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2375 states and 2767 transitions. [2018-11-23 15:11:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2767 transitions. [2018-11-23 15:11:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 15:11:22,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 15:11:26,197 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-11-23 15:11:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2417 states and 2811 transitions. [2018-11-23 15:11:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2811 transitions. [2018-11-23 15:11:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 15:11:27,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:11:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2451 states and 2846 transitions. [2018-11-23 15:11:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2846 transitions. [2018-11-23 15:11:34,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 15:11:34,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:11:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2473 states and 2866 transitions. [2018-11-23 15:11:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2866 transitions. [2018-11-23 15:11:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 15:11:36,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:11:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2497 states and 2890 transitions. [2018-11-23 15:11:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2890 transitions. [2018-11-23 15:11:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 15:11:38,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:11:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2499 states and 2891 transitions. [2018-11-23 15:11:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2891 transitions. [2018-11-23 15:11:39,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 15:11:39,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:11:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2547 states and 2939 transitions. [2018-11-23 15:11:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 2939 transitions. [2018-11-23 15:11:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 15:11:45,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:11:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2569 states and 2960 transitions. [2018-11-23 15:11:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 2960 transitions. [2018-11-23 15:11:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 15:11:46,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 15:11:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2571 states and 2962 transitions. [2018-11-23 15:11:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 2962 transitions. [2018-11-23 15:11:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 15:11:47,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-23 15:11:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2572 states and 2962 transitions. [2018-11-23 15:11:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2962 transitions. [2018-11-23 15:11:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 15:11:47,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:11:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:11:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 4 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-23 15:11:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:11:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2504 states and 2893 transitions. [2018-11-23 15:11:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 2893 transitions. [2018-11-23 15:11:47,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:11:47,826 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 126 iterations. [2018-11-23 15:11:47,832 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:11:47,983 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-11-23 15:11:48,114 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2018-11-23 15:11:48,313 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 36 [2018-11-23 15:11:48,437 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 15:11:48,585 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 37 [2018-11-23 15:11:48,798 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2018-11-23 15:11:49,013 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2018-11-23 15:11:49,210 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 37 [2018-11-23 15:11:49,519 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-11-23 15:11:49,646 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2018-11-23 15:11:49,809 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2018-11-23 15:11:49,952 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2018-11-23 15:11:50,262 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-11-23 15:11:50,509 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 37 [2018-11-23 15:11:50,636 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 15:11:50,787 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 37 [2018-11-23 15:11:50,995 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2018-11-23 15:11:51,169 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2018-11-23 15:11:51,291 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 15:11:51,418 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-11-23 15:11:51,620 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2018-11-23 15:11:51,780 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 15:11:51,906 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-11-23 15:11:52,189 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-11-23 15:11:52,343 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 15 [2018-11-23 15:11:52,726 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-11-23 15:11:52,966 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2018-11-23 15:11:53,139 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 48 [2018-11-23 15:11:53,414 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-11-23 15:11:53,653 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 15:11:53,867 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 42 [2018-11-23 15:11:54,041 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-11-23 15:11:54,241 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 36 [2018-11-23 15:11:54,557 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 66 [2018-11-23 15:11:54,759 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2018-11-23 15:11:54,889 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 15:11:55,085 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 37 [2018-11-23 15:11:55,278 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 37 [2018-11-23 15:11:55,456 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2018-11-23 15:11:55,623 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-11-23 15:11:55,752 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2018-11-23 15:11:55,752 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:11:55,754 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 15:11:55,759 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 15:11:55,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:11:55 ImpRootNode [2018-11-23 15:11:55,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:11:55,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:11:55,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:11:55,760 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:11:55,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:25" (3/4) ... [2018-11-23 15:11:55,763 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:11:55,777 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-11-23 15:11:55,778 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 15:11:55,779 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 15:11:55,780 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:11:55,864 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_75db90ef-d731-4ec6-8ddd-93ba2cf7f591/bin-2019/ukojak/witness.graphml [2018-11-23 15:11:55,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:11:55,865 INFO L168 Benchmark]: Toolchain (without parser) took 152690.18 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 3.0 GB). Free memory was 951.2 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,866 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:11:55,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -228.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,867 INFO L168 Benchmark]: Boogie Preprocessor took 42.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,867 INFO L168 Benchmark]: RCFGBuilder took 1341.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.9 MB in the end (delta: 230.1 MB). Peak memory consumption was 230.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,867 INFO L168 Benchmark]: CodeCheck took 150722.83 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.9 GB). Free memory was 906.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,868 INFO L168 Benchmark]: Witness Printer took 104.52 ms. Allocated memory is still 4.0 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 11.5 GB. [2018-11-23 15:11:55,869 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, 198 locations, 1 error locations. SAFE Result, 142.7s OverallTime, 126 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 272834564 SDtfs, -2119361206 SDslu, -198066152 SDs, 0 SdLazy, 133160194 SolverSat, 688588864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 410.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145303 GetRequests, 138619 SyntacticMatches, 5242 SemanticMatches, 1442 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684459 ImplicationChecksByTransitivity, 124.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 22344 NumberOfCodeBlocks, 22344 NumberOfCodeBlocksAsserted, 125 NumberOfCheckSat, 22219 ConstructedInterpolants, 0 QuantifiedInterpolants, 28913155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 125 InterpolantComputations, 92 PerfectInterpolantSequences, 22391/23460 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: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a7 == 1 || !(a16 == 5)) || !(a17 == 1)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a7 == 1) || !(a16 == 5)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -228.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1341.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.9 MB in the end (delta: 230.1 MB). Peak memory consumption was 230.1 MB. Max. memory is 11.5 GB. * CodeCheck took 150722.83 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.9 GB). Free memory was 906.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 104.52 ms. Allocated memory is still 4.0 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...