./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/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 936e1fac1e718929285e646469efe9b1619e10b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:48:31,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:48:31,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:48:31,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:48:31,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:48:31,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:48:31,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:48:31,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:48:31,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:48:31,272 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:48:31,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:48:31,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:48:31,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:48:31,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:48:31,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:48:31,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:48:31,275 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:48:31,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:48:31,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:48:31,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:48:31,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:48:31,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:48:31,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:48:31,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:48:31,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:48:31,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:48:31,281 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:48:31,282 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:48:31,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:48:31,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:48:31,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:48:31,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:48:31,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:48:31,283 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:48:31,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:48:31,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:48:31,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:48:31,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:48:31,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:48:31,293 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:48:31,293 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:48:31,293 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:48:31,293 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:48:31,293 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:48:31,293 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:48:31,294 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:48:31,294 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:48:31,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:48:31,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:48:31,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:48:31,295 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_2691cefd-d2ee-48f1-a19c-821e37c12e6e/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-12-01 16:48:31,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:48:31,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:48:31,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:48:31,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:48:31,321 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:48:31,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-01 16:48:31,355 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/data/a935de925/c1910febe588471b9cea729bcfb9a85e/FLAG5102c73ea [2018-12-01 16:48:31,797 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:48:31,797 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-01 16:48:31,804 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/data/a935de925/c1910febe588471b9cea729bcfb9a85e/FLAG5102c73ea [2018-12-01 16:48:31,813 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/data/a935de925/c1910febe588471b9cea729bcfb9a85e [2018-12-01 16:48:31,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:48:31,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:48:31,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:48:31,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:48:31,819 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:48:31,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:48:31" (1/1) ... [2018-12-01 16:48:31,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:31, skipping insertion in model container [2018-12-01 16:48:31,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:48:31" (1/1) ... [2018-12-01 16:48:31,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:48:31,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:48:32,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:48:32,028 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:48:32,075 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:48:32,130 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:48:32,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32 WrapperNode [2018-12-01 16:48:32,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:48:32,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:48:32,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:48:32,131 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:48:32,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:48:32,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:48:32,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:48:32,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:48:32,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... [2018-12-01 16:48:32,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:48:32,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:48:32,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:48:32,226 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:48:32,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:48:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:48:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:48:33,144 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:48:33,145 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 16:48:33,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:48:33 BoogieIcfgContainer [2018-12-01 16:48:33,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:48:33,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:48:33,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:48:33,155 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:48:33,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:48:33" (1/1) ... [2018-12-01 16:48:33,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:48:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 16:48:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 16:48:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:48:33,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-01 16:48:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-01 16:48:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 16:48:33,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:48:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:33,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-01 16:48:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-01 16:48:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 16:48:33,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-01 16:48:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-01 16:48:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 16:48:34,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2018-12-01 16:48:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2018-12-01 16:48:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 16:48:34,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2018-12-01 16:48:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2018-12-01 16:48:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 16:48:34,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2018-12-01 16:48:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2018-12-01 16:48:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 16:48:34,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2018-12-01 16:48:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2018-12-01 16:48:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 16:48:35,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-12-01 16:48:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-12-01 16:48:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 16:48:35,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2018-12-01 16:48:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2018-12-01 16:48:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 16:48:35,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:48:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-12-01 16:48:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-12-01 16:48:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 16:48:35,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2018-12-01 16:48:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2018-12-01 16:48:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 16:48:35,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-12-01 16:48:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-12-01 16:48:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 16:48:35,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2018-12-01 16:48:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2018-12-01 16:48:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:48:35,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2018-12-01 16:48:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2018-12-01 16:48:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 16:48:36,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 305 states and 421 transitions. [2018-12-01 16:48:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2018-12-01 16:48:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 16:48:37,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 308 states and 424 transitions. [2018-12-01 16:48:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2018-12-01 16:48:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 16:48:37,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2018-12-01 16:48:37,515 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2018-12-01 16:48:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 16:48:37,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-12-01 16:48:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-12-01 16:48:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 16:48:37,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-01 16:48:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-01 16:48:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 16:48:37,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 16:48:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2018-12-01 16:48:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2018-12-01 16:48:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 16:48:38,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2018-12-01 16:48:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2018-12-01 16:48:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 16:48:38,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2018-12-01 16:48:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2018-12-01 16:48:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:48:38,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 16:48:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2018-12-01 16:48:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2018-12-01 16:48:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:48:38,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-12-01 16:48:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-12-01 16:48:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 16:48:39,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2018-12-01 16:48:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2018-12-01 16:48:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 16:48:39,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-12-01 16:48:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-12-01 16:48:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 16:48:40,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2018-12-01 16:48:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2018-12-01 16:48:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 16:48:41,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-01 16:48:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-01 16:48:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:48:41,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2018-12-01 16:48:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2018-12-01 16:48:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:48:41,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2018-12-01 16:48:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2018-12-01 16:48:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:48:42,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2018-12-01 16:48:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2018-12-01 16:48:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 16:48:42,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2018-12-01 16:48:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2018-12-01 16:48:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:48:42,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2018-12-01 16:48:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2018-12-01 16:48:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:48:43,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 16:48:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-12-01 16:48:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-12-01 16:48:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:48:43,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 472 states and 622 transitions. [2018-12-01 16:48:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 622 transitions. [2018-12-01 16:48:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:48:43,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 473 states and 623 transitions. [2018-12-01 16:48:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 623 transitions. [2018-12-01 16:48:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:48:43,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:48:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 482 states and 641 transitions. [2018-12-01 16:48:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 641 transitions. [2018-12-01 16:48:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:48:44,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 530 states and 697 transitions. [2018-12-01 16:48:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 697 transitions. [2018-12-01 16:48:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:48:46,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 575 states and 748 transitions. [2018-12-01 16:48:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 748 transitions. [2018-12-01 16:48:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:48:50,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:51,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 606 states and 780 transitions. [2018-12-01 16:48:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 780 transitions. [2018-12-01 16:48:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 16:48:51,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 611 states and 788 transitions. [2018-12-01 16:48:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 788 transitions. [2018-12-01 16:48:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 16:48:51,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 620 states and 806 transitions. [2018-12-01 16:48:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 806 transitions. [2018-12-01 16:48:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 16:48:52,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 621 states and 807 transitions. [2018-12-01 16:48:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 807 transitions. [2018-12-01 16:48:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 16:48:52,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 670 states and 863 transitions. [2018-12-01 16:48:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 863 transitions. [2018-12-01 16:48:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 16:48:53,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 16:49:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 720 states and 918 transitions. [2018-12-01 16:49:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 918 transitions. [2018-12-01 16:49:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 16:49:00,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 16:49:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 750 states and 957 transitions. [2018-12-01 16:49:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 957 transitions. [2018-12-01 16:49:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:49:04,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:08,161 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-01 16:49:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 817 states and 1029 transitions. [2018-12-01 16:49:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1029 transitions. [2018-12-01 16:49:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 16:49:11,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:49:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 834 states and 1047 transitions. [2018-12-01 16:49:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1047 transitions. [2018-12-01 16:49:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:49:11,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 857 states and 1084 transitions. [2018-12-01 16:49:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1084 transitions. [2018-12-01 16:49:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:49:13,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 860 states and 1087 transitions. [2018-12-01 16:49:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1087 transitions. [2018-12-01 16:49:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:49:14,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 16:49:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 864 states and 1090 transitions. [2018-12-01 16:49:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1090 transitions. [2018-12-01 16:49:14,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:49:14,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:49:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 866 states and 1092 transitions. [2018-12-01 16:49:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1092 transitions. [2018-12-01 16:49:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:49:14,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:49:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 891 states and 1122 transitions. [2018-12-01 16:49:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1122 transitions. [2018-12-01 16:49:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:49:16,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:49:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 903 states and 1135 transitions. [2018-12-01 16:49:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1135 transitions. [2018-12-01 16:49:17,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 16:49:17,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 974 states and 1206 transitions. [2018-12-01 16:49:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1206 transitions. [2018-12-01 16:49:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 16:49:20,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:49:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 986 states and 1224 transitions. [2018-12-01 16:49:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1224 transitions. [2018-12-01 16:49:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 16:49:21,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:49:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1044 states and 1294 transitions. [2018-12-01 16:49:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1294 transitions. [2018-12-01 16:49:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 16:49:24,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:49:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1055 states and 1304 transitions. [2018-12-01 16:49:25,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1304 transitions. [2018-12-01 16:49:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 16:49:25,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:49:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1057 states and 1306 transitions. [2018-12-01 16:49:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1306 transitions. [2018-12-01 16:49:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 16:49:25,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1077 states and 1331 transitions. [2018-12-01 16:49:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1331 transitions. [2018-12-01 16:49:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:49:30,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1094 states and 1359 transitions. [2018-12-01 16:49:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1359 transitions. [2018-12-01 16:49:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:49:33,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:49:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1096 states and 1361 transitions. [2018-12-01 16:49:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1361 transitions. [2018-12-01 16:49:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 16:49:33,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 16:49:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1120 states and 1386 transitions. [2018-12-01 16:49:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1386 transitions. [2018-12-01 16:49:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 16:49:33,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 16:49:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1123 states and 1389 transitions. [2018-12-01 16:49:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1389 transitions. [2018-12-01 16:49:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 16:49:34,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 16:49:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1128 states and 1396 transitions. [2018-12-01 16:49:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1396 transitions. [2018-12-01 16:49:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 16:49:34,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1133 states and 1403 transitions. [2018-12-01 16:49:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1403 transitions. [2018-12-01 16:49:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 16:49:34,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:38,071 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-01 16:49:39,556 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-01 16:49:40,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1151 states and 1423 transitions. [2018-12-01 16:49:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1423 transitions. [2018-12-01 16:49:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 16:49:40,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1163 states and 1435 transitions. [2018-12-01 16:49:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1435 transitions. [2018-12-01 16:49:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 16:49:41,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:49:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1169 states and 1441 transitions. [2018-12-01 16:49:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1441 transitions. [2018-12-01 16:49:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 16:49:43,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:49:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1187 states and 1459 transitions. [2018-12-01 16:49:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1459 transitions. [2018-12-01 16:49:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:49:45,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 16:49:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1257 states and 1532 transitions. [2018-12-01 16:49:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1532 transitions. [2018-12-01 16:49:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 16:49:46,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 16:49:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1270 states and 1548 transitions. [2018-12-01 16:49:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1548 transitions. [2018-12-01 16:49:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 16:49:47,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:48,087 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-01 16:49:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 16:49:51,524 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-01 16:49:52,644 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 16:49:59,455 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 16:50:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1318 states and 1599 transitions. [2018-12-01 16:50:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1599 transitions. [2018-12-01 16:50:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 16:50:01,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 16:50:03,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1334 states and 1623 transitions. [2018-12-01 16:50:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1623 transitions. [2018-12-01 16:50:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:50:03,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-01 16:50:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1404 states and 1696 transitions. [2018-12-01 16:50:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1696 transitions. [2018-12-01 16:50:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 16:50:04,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 16:50:10,097 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-12-01 16:50:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1433 states and 1739 transitions. [2018-12-01 16:50:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1739 transitions. [2018-12-01 16:50:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 16:50:11,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 16:50:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1445 states and 1753 transitions. [2018-12-01 16:50:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1753 transitions. [2018-12-01 16:50:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 16:50:15,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 16:50:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1447 states and 1754 transitions. [2018-12-01 16:50:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1754 transitions. [2018-12-01 16:50:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 16:50:15,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 16:50:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1452 states and 1758 transitions. [2018-12-01 16:50:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1758 transitions. [2018-12-01 16:50:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 16:50:16,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1471 states and 1784 transitions. [2018-12-01 16:50:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1784 transitions. [2018-12-01 16:50:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 16:50:21,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1473 states and 1790 transitions. [2018-12-01 16:50:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1790 transitions. [2018-12-01 16:50:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 16:50:21,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1484 states and 1802 transitions. [2018-12-01 16:50:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1802 transitions. [2018-12-01 16:50:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 16:50:24,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1497 states and 1820 transitions. [2018-12-01 16:50:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1820 transitions. [2018-12-01 16:50:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 16:50:28,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:29,228 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-01 16:50:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1508 states and 1831 transitions. [2018-12-01 16:50:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1831 transitions. [2018-12-01 16:50:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 16:50:30,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1522 states and 1844 transitions. [2018-12-01 16:50:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1844 transitions. [2018-12-01 16:50:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 16:50:32,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 16:50:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1526 states and 1852 transitions. [2018-12-01 16:50:35,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1852 transitions. [2018-12-01 16:50:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:50:35,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:40,354 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 16:50:43,518 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 16:50:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1574 states and 1909 transitions. [2018-12-01 16:50:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1909 transitions. [2018-12-01 16:50:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:50:44,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1565 states and 1898 transitions. [2018-12-01 16:50:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1898 transitions. [2018-12-01 16:50:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-01 16:50:44,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:50:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:50:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1584 states and 1918 transitions. [2018-12-01 16:50:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1918 transitions. [2018-12-01 16:50:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 16:50:48,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:50:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:50:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 16:51:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1697 states and 2055 transitions. [2018-12-01 16:51:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2055 transitions. [2018-12-01 16:51:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 16:51:04,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 16:51:19,616 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 16:51:20,337 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 16:51:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1775 states and 2142 transitions. [2018-12-01 16:51:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2142 transitions. [2018-12-01 16:51:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 16:51:21,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 16:51:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1822 states and 2188 transitions. [2018-12-01 16:51:27,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2188 transitions. [2018-12-01 16:51:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 16:51:27,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 16:51:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1825 states and 2192 transitions. [2018-12-01 16:51:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2192 transitions. [2018-12-01 16:51:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 16:51:28,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 16:51:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1827 states and 2192 transitions. [2018-12-01 16:51:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2192 transitions. [2018-12-01 16:51:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 16:51:29,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 16:51:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1828 states and 2193 transitions. [2018-12-01 16:51:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2193 transitions. [2018-12-01 16:51:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 16:51:31,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:51:39,174 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-01 16:51:41,031 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-01 16:51:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1869 states and 2241 transitions. [2018-12-01 16:51:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2241 transitions. [2018-12-01 16:51:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 16:51:43,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:51:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1904 states and 2275 transitions. [2018-12-01 16:51:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2275 transitions. [2018-12-01 16:51:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 16:51:49,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:51:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1909 states and 2279 transitions. [2018-12-01 16:51:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2279 transitions. [2018-12-01 16:51:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:51:50,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 16:51:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1941 states and 2314 transitions. [2018-12-01 16:51:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2314 transitions. [2018-12-01 16:51:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:51:57,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 16:51:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:51:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1943 states and 2315 transitions. [2018-12-01 16:51:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2315 transitions. [2018-12-01 16:51:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 16:51:58,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:51:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:51:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:52:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1966 states and 2349 transitions. [2018-12-01 16:52:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2349 transitions. [2018-12-01 16:52:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 16:52:06,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:52:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1968 states and 2351 transitions. [2018-12-01 16:52:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2351 transitions. [2018-12-01 16:52:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 16:52:08,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:52:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1973 states and 2356 transitions. [2018-12-01 16:52:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2356 transitions. [2018-12-01 16:52:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 16:52:09,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:52:16,335 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2018-12-01 16:52:18,022 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-12-01 16:52:24,740 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-01 16:52:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2003 states and 2390 transitions. [2018-12-01 16:52:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2390 transitions. [2018-12-01 16:52:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 16:52:27,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:52:31,406 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-01 16:52:36,521 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 16:52:37,855 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-01 16:52:38,540 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-01 16:52:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2033 states and 2418 transitions. [2018-12-01 16:52:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2418 transitions. [2018-12-01 16:52:39,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 16:52:39,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:52:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2038 states and 2422 transitions. [2018-12-01 16:52:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2422 transitions. [2018-12-01 16:52:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 16:52:40,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:52:46,652 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 16:52:53,715 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 16:52:56,114 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:52:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:52:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2086 states and 2469 transitions. [2018-12-01 16:52:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2469 transitions. [2018-12-01 16:52:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 16:52:57,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:52:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:52:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:53:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2092 states and 2474 transitions. [2018-12-01 16:53:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2474 transitions. [2018-12-01 16:53:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 16:53:00,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:53:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2151 states and 2564 transitions. [2018-12-01 16:53:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2564 transitions. [2018-12-01 16:53:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 16:53:23,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:53:29,483 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 16:53:30,999 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 16:53:31,529 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 16:53:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2226 states and 2646 transitions. [2018-12-01 16:53:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2646 transitions. [2018-12-01 16:53:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 16:53:31,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:53:35,222 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 16:53:35,650 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2018-12-01 16:53:38,564 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 16:53:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2253 states and 2680 transitions. [2018-12-01 16:53:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2680 transitions. [2018-12-01 16:53:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 16:53:39,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:53:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2263 states and 2688 transitions. [2018-12-01 16:53:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2688 transitions. [2018-12-01 16:53:40,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 16:53:40,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 16:53:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2265 states and 2690 transitions. [2018-12-01 16:53:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2690 transitions. [2018-12-01 16:53:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 16:53:41,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 16:53:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2278 states and 2709 transitions. [2018-12-01 16:53:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2709 transitions. [2018-12-01 16:53:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 16:53:48,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 16:53:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2309 states and 2741 transitions. [2018-12-01 16:53:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2741 transitions. [2018-12-01 16:53:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 16:53:51,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 16:53:53,504 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 16:53:54,014 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:53:55,967 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:53:57,757 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 16:53:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:53:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2329 states and 2762 transitions. [2018-12-01 16:53:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 2762 transitions. [2018-12-01 16:53:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:53:58,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:53:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:54:00,337 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-01 16:54:04,194 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-01 16:54:07,653 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-01 16:54:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2354 states and 2789 transitions. [2018-12-01 16:54:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2789 transitions. [2018-12-01 16:54:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 16:54:11,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:54:16,259 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:54:20,022 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 16:54:20,630 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 16:54:22,237 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 16:54:24,730 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 16:54:25,105 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 16:54:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2391 states and 2836 transitions. [2018-12-01 16:54:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2836 transitions. [2018-12-01 16:54:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 16:54:29,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:54:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2399 states and 2843 transitions. [2018-12-01 16:54:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2843 transitions. [2018-12-01 16:54:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 16:54:30,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:54:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2402 states and 2845 transitions. [2018-12-01 16:54:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2845 transitions. [2018-12-01 16:54:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:54:31,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 16:54:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2476 states and 2921 transitions. [2018-12-01 16:54:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2921 transitions. [2018-12-01 16:54:40,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:54:40,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:54:43,932 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 16:54:48,569 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 16:54:49,479 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 16:54:51,136 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 16:54:52,722 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 16:54:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2521 states and 2968 transitions. [2018-12-01 16:54:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 2968 transitions. [2018-12-01 16:54:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:54:53,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:54:54,622 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 16:54:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2525 states and 2972 transitions. [2018-12-01 16:54:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2972 transitions. [2018-12-01 16:54:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:54:57,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:54:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:54:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2527 states and 2973 transitions. [2018-12-01 16:54:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 2973 transitions. [2018-12-01 16:54:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 16:54:59,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:54:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:54:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 16:55:02,516 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-01 16:55:10,387 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 16:55:10,803 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2018-12-01 16:55:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:55:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2586 states and 3042 transitions. [2018-12-01 16:55:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3042 transitions. [2018-12-01 16:55:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 16:55:15,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:55:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:55:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 16:55:28,590 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-01 16:55:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:55:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2709 states and 3179 transitions. [2018-12-01 16:55:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3179 transitions. [2018-12-01 16:55:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 16:55:31,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:55:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:55:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 16:55:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:55:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 2720 states and 3190 transitions. [2018-12-01 16:55:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3190 transitions. [2018-12-01 16:55:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 16:55:32,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:55:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:55:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 16:55:38,717 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-01 16:55:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:55:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2732 states and 3203 transitions. [2018-12-01 16:55:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3203 transitions. [2018-12-01 16:55:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 16:55:41,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:55:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:55:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 16:55:52,825 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-01 16:55:54,572 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 16:56:03,248 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-01 16:56:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:56:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2789 states and 3263 transitions. [2018-12-01 16:56:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3263 transitions. [2018-12-01 16:56:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 16:56:04,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:56:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:56:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 16:56:08,344 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-01 16:56:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:56:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 2803 states and 3275 transitions. [2018-12-01 16:56:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3275 transitions. [2018-12-01 16:56:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 16:56:08,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:56:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:56:12,597 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 16:56:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:56:16,226 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 16:56:17,728 WARN L180 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 16:56:19,091 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 16:56:21,002 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 16:56:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:56:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2808 states and 3283 transitions. [2018-12-01 16:56:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3283 transitions. [2018-12-01 16:56:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 16:56:25,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:56:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:56:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:56:28,294 WARN L180 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 16:56:31,134 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 16:56:32,430 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-01 16:56:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:56:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 2834 states and 3310 transitions. [2018-12-01 16:56:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3310 transitions. [2018-12-01 16:56:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 16:56:34,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:56:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:56:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:56:37,402 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2018-12-01 16:56:40,402 WARN L180 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-12-01 16:56:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:56:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2854 states and 3329 transitions. [2018-12-01 16:56:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3329 transitions. [2018-12-01 16:56:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:56:43,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:56:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:56:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-01 16:56:50,601 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-12-01 16:56:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:56:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 2989 states and 3470 transitions. [2018-12-01 16:56:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3470 transitions. [2018-12-01 16:56:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-01 16:56:55,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:56:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:56:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 179 proven. 401 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 16:57:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:57:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3130 states and 3620 transitions. [2018-12-01 16:57:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3620 transitions. [2018-12-01 16:57:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-01 16:57:06,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:57:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:57:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-01 16:57:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:57:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3201 states and 3692 transitions. [2018-12-01 16:57:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3692 transitions. [2018-12-01 16:57:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:57:12,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:57:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:57:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:57:13,328 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 16:57:20,276 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-01 16:57:20,644 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2018-12-01 16:57:23,134 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-12-01 16:57:25,496 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-12-01 16:57:26,570 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 16:57:29,443 WARN L180 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-12-01 16:57:30,525 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 16:57:31,538 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-12-01 16:57:32,408 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-01 16:57:32,840 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2018-12-01 16:57:33,585 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2018-12-01 16:57:37,138 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 16:57:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:57:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3270 states and 3781 transitions. [2018-12-01 16:57:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 3781 transitions. [2018-12-01 16:57:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:57:40,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:57:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:57:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:57:43,261 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 16:57:44,386 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-01 16:57:45,922 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-01 16:57:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:57:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3314 states and 3831 transitions. [2018-12-01 16:57:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3831 transitions. [2018-12-01 16:57:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:57:49,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:57:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:57:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:57:50,908 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2018-12-01 16:57:53,441 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 16:57:54,756 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2018-12-01 16:58:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3366 states and 3888 transitions. [2018-12-01 16:58:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 3888 transitions. [2018-12-01 16:58:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:58:04,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:58:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3377 states and 3899 transitions. [2018-12-01 16:58:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 3899 transitions. [2018-12-01 16:58:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:58:05,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:58:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3380 states and 3903 transitions. [2018-12-01 16:58:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 3903 transitions. [2018-12-01 16:58:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:58:06,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:58:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3383 states and 3905 transitions. [2018-12-01 16:58:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 3905 transitions. [2018-12-01 16:58:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:58:08,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:58:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3384 states and 3905 transitions. [2018-12-01 16:58:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 3905 transitions. [2018-12-01 16:58:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 16:58:09,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-01 16:58:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:09,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3385 states and 3905 transitions. [2018-12-01 16:58:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 3905 transitions. [2018-12-01 16:58:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-01 16:58:09,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-01 16:58:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 3469 states and 3990 transitions. [2018-12-01 16:58:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 3990 transitions. [2018-12-01 16:58:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-01 16:58:14,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-01 16:58:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 3538 states and 4061 transitions. [2018-12-01 16:58:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 4061 transitions. [2018-12-01 16:58:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 16:58:17,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 16:58:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 3543 states and 4066 transitions. [2018-12-01 16:58:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4066 transitions. [2018-12-01 16:58:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 16:58:18,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 16:58:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 3554 states and 4076 transitions. [2018-12-01 16:58:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4076 transitions. [2018-12-01 16:58:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 16:58:19,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 16:58:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 3573 states and 4094 transitions. [2018-12-01 16:58:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3573 states and 4094 transitions. [2018-12-01 16:58:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 16:58:21,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 16:58:23,904 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2018-12-01 16:58:25,908 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-12-01 16:58:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:26,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 3578 states and 4100 transitions. [2018-12-01 16:58:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 4100 transitions. [2018-12-01 16:58:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 16:58:26,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 16:58:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4108 states to 3587 states and 4108 transitions. [2018-12-01 16:58:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 4108 transitions. [2018-12-01 16:58:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 16:58:27,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 16:58:28,460 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-01 16:58:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 3592 states and 4114 transitions. [2018-12-01 16:58:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 4114 transitions. [2018-12-01 16:58:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-01 16:58:29,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-01 16:58:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 3660 states and 4184 transitions. [2018-12-01 16:58:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4184 transitions. [2018-12-01 16:58:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:58:42,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:58:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:58:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 3665 states and 4189 transitions. [2018-12-01 16:58:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 4189 transitions. [2018-12-01 16:58:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:58:45,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:58:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:58:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:58:48,828 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-01 16:58:51,039 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 16:58:51,464 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2018-12-01 16:58:59,142 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 16:59:13,457 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2018-12-01 16:59:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:17,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 3724 states and 4253 transitions. [2018-12-01 16:59:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 4253 transitions. [2018-12-01 16:59:17,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:17,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 3754 states and 4283 transitions. [2018-12-01 16:59:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 4283 transitions. [2018-12-01 16:59:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:21,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 3779 states and 4308 transitions. [2018-12-01 16:59:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 4308 transitions. [2018-12-01 16:59:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:26,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 3790 states and 4319 transitions. [2018-12-01 16:59:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 4319 transitions. [2018-12-01 16:59:28,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:28,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:32,934 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2018-12-01 16:59:33,535 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-12-01 16:59:35,395 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 16:59:38,866 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 16:59:39,863 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-12-01 16:59:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4335 states to 3806 states and 4335 transitions. [2018-12-01 16:59:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4335 transitions. [2018-12-01 16:59:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:42,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 3807 states and 4336 transitions. [2018-12-01 16:59:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 4336 transitions. [2018-12-01 16:59:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:44,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 3818 states and 4347 transitions. [2018-12-01 16:59:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 4347 transitions. [2018-12-01 16:59:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:45,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 3821 states and 4349 transitions. [2018-12-01 16:59:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 4349 transitions. [2018-12-01 16:59:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 16:59:47,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 16:59:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 3832 states and 4360 transitions. [2018-12-01 16:59:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 4360 transitions. [2018-12-01 16:59:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-01 16:59:48,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-01 16:59:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 3837 states and 4365 transitions. [2018-12-01 16:59:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 4365 transitions. [2018-12-01 16:59:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2018-12-01 16:59:50,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 355 proven. 621 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 16:59:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:59:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 3838 states and 4367 transitions. [2018-12-01 16:59:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4367 transitions. [2018-12-01 16:59:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-12-01 16:59:51,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:59:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:59:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1889 backedges. 1366 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 16:59:55,257 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 17:00:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:00:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 3907 states and 4438 transitions. [2018-12-01 17:00:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 4438 transitions. [2018-12-01 17:00:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2018-12-01 17:00:00,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:00:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:00:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1653 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-01 17:00:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:00:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 3976 states and 4509 transitions. [2018-12-01 17:00:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 4509 transitions. [2018-12-01 17:00:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2018-12-01 17:00:08,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:00:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:00:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1821 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2018-12-01 17:00:14,864 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 17:00:17,389 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 17:00:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:00:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4009 states and 4545 transitions. [2018-12-01 17:00:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states and 4545 transitions. [2018-12-01 17:00:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2018-12-01 17:00:18,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:00:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:00:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1821 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2018-12-01 17:00:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:00:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 4017 states and 4553 transitions. [2018-12-01 17:00:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 4553 transitions. [2018-12-01 17:00:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2018-12-01 17:00:19,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:00:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:00:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1821 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2018-12-01 17:00:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:00:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4045 states and 4580 transitions. [2018-12-01 17:00:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 4045 states and 4580 transitions. [2018-12-01 17:00:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2018-12-01 17:00:22,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:00:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:00:27,321 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2018-12-01 17:00:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3040 backedges. 1876 proven. 0 refuted. 0 times theorem prover too weak. 1164 trivial. 0 not checked. [2018-12-01 17:00:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:00:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 2878 states and 3272 transitions. [2018-12-01 17:00:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 3272 transitions. [2018-12-01 17:00:31,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:00:31,252 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 172 iterations. [2018-12-01 17:00:31,258 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:00:31,543 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 59 [2018-12-01 17:00:31,782 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2018-12-01 17:00:32,268 WARN L180 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2018-12-01 17:00:32,503 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 59 [2018-12-01 17:00:32,992 WARN L180 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2018-12-01 17:00:33,119 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-01 17:00:33,571 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2018-12-01 17:00:33,847 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2018-12-01 17:00:34,234 WARN L180 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 55 [2018-12-01 17:00:34,780 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2018-12-01 17:00:35,015 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-01 17:00:35,273 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-01 17:00:35,747 WARN L180 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2018-12-01 17:00:36,629 WARN L180 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 67 [2018-12-01 17:00:37,037 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 53 [2018-12-01 17:00:37,231 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 50 [2018-12-01 17:00:37,607 WARN L180 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2018-12-01 17:00:38,017 WARN L180 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 55 [2018-12-01 17:00:38,191 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2018-12-01 17:00:38,318 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-12-01 17:00:38,841 WARN L180 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 69 [2018-12-01 17:00:39,029 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-01 17:00:39,233 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-01 17:00:39,716 WARN L180 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2018-12-01 17:00:39,982 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 59 [2018-12-01 17:00:40,430 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 65 [2018-12-01 17:00:40,930 WARN L180 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2018-12-01 17:00:41,099 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2018-12-01 17:00:41,329 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 59 [2018-12-01 17:00:41,554 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 56 [2018-12-01 17:00:41,775 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 56 [2018-12-01 17:00:41,949 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 52 [2018-12-01 17:00:42,211 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2018-12-01 17:00:42,373 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2018-12-01 17:00:42,598 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 57 [2018-12-01 17:00:42,821 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 56 [2018-12-01 17:00:42,978 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2018-12-01 17:00:43,224 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 56 [2018-12-01 17:00:43,751 WARN L180 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2018-12-01 17:00:43,927 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2018-12-01 17:00:44,327 WARN L180 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-12-01 17:00:44,468 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-01 17:00:44,704 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 56 [2018-12-01 17:00:45,207 WARN L180 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2018-12-01 17:00:45,325 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2018-12-01 17:00:45,918 WARN L180 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2018-12-01 17:00:46,529 WARN L180 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2018-12-01 17:00:46,740 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 56 [2018-12-01 17:00:46,887 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-01 17:00:47,362 WARN L180 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 69 [2018-12-01 17:00:47,634 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 51 [2018-12-01 17:00:47,783 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-01 17:00:48,016 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 59 [2018-12-01 17:00:48,258 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2018-12-01 17:00:48,692 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 69 [2018-12-01 17:00:48,827 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-01 17:00:49,077 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 59 [2018-12-01 17:00:49,557 WARN L180 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2018-12-01 17:00:50,195 WARN L180 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2018-12-01 17:00:50,324 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-12-01 17:00:50,491 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-01 17:00:50,730 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2018-12-01 17:00:50,973 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 59 [2018-12-01 17:00:51,458 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2018-12-01 17:00:51,619 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2018-12-01 17:00:52,050 WARN L180 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 65 [2018-12-01 17:00:52,514 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 65 [2018-12-01 17:00:52,960 WARN L180 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 67 [2018-12-01 17:00:53,309 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-01 17:00:53,309 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:00:53,311 INFO L583 CodeCheckObserver]: Invariant with dag size 51 [2018-12-01 17:00:53,318 INFO L583 CodeCheckObserver]: Invariant with dag size 51 [2018-12-01 17:00:53,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:00:53 ImpRootNode [2018-12-01 17:00:53,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:00:53,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:00:53,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:00:53,322 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:00:53,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:48:33" (3/4) ... [2018-12-01 17:00:53,325 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:00:53,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 17:00:53,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 17:00:53,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 17:00:53,336 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:00:53,389 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2691cefd-d2ee-48f1-a19c-821e37c12e6e/bin-2019/ukojak/witness.graphml [2018-12-01 17:00:53,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:00:53,390 INFO L168 Benchmark]: Toolchain (without parser) took 741574.36 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 950.6 MB in the beginning and 349.8 MB in the end (delta: 600.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,390 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:00:53,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.02 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,391 INFO L168 Benchmark]: Boogie Preprocessor took 40.95 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,391 INFO L168 Benchmark]: RCFGBuilder took 919.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.7 MB in the end (delta: 204.8 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,391 INFO L168 Benchmark]: CodeCheck took 740175.25 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 913.7 MB in the beginning and 378.9 MB in the end (delta: 534.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,392 INFO L168 Benchmark]: Witness Printer took 67.79 ms. Allocated memory is still 2.4 GB. Free memory was 378.9 MB in the beginning and 349.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:00:53,393 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, 718.0s OverallTime, 172 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 482086116 SDtfs, 1683954748 SDslu, -1351604904 SDs, 0 SdLazy, -1707409592 SolverSat, 878723348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1322.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272855 GetRequests, 262342 SyntacticMatches, 8047 SemanticMatches, 2466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4851036 ImplicationChecksByTransitivity, 665.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 70.4s InterpolantComputationTime, 42075 NumberOfCodeBlocks, 42075 NumberOfCodeBlocksAsserted, 171 NumberOfCheckSat, 41904 ConstructedInterpolants, 0 QuantifiedInterpolants, 77436122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 171 InterpolantComputations, 116 PerfectInterpolantSequences, 72478/79358 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: 431]: 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: (((((((((((((((a8 == 15 || ((((((a16 == 4 && a8 == 14) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || ((((((a8 == 13 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a16 == 6) && a7 <= 0)) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((((a7 == 1 && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a16 == 5)) || ((((((a16 == 4 && a8 == 13) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0) && a16 == 5)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a8 == 15 || ((((((a8 == 13 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a16 == 6) && a7 <= 0)) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((((a7 == 1 && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((((a16 == 4 && a8 == 13) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((a16 == 4 && a8 == 14) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0) && a16 == 5)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.02 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.95 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 919.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.7 MB in the end (delta: 204.8 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. * CodeCheck took 740175.25 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 913.7 MB in the beginning and 378.9 MB in the end (delta: 534.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 67.79 ms. Allocated memory is still 2.4 GB. Free memory was 378.9 MB in the beginning and 349.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...