./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/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 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:14:02,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:14:02,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:14:02,396 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:14:02,396 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:14:02,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:14:02,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:14:02,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:14:02,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:14:02,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:14:02,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:14:02,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:14:02,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:14:02,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:14:02,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:14:02,405 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:14:02,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:14:02,408 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:14:02,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:14:02,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:14:02,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:14:02,412 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:14:02,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:14:02,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:14:02,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:14:02,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:14:02,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:14:02,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:14:02,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:14:02,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:14:02,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:14:02,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:14:02,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:14:02,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:14:02,421 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:14:02,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:14:02,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:14:02,434 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:14:02,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:14:02,435 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:14:02,435 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:14:02,435 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:14:02,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:14:02,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:14:02,436 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:14:02,436 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:14:02,436 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:14:02,436 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:14:02,436 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:14:02,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:14:02,437 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:14:02,437 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:14:02,437 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:14:02,437 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:14:02,437 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:14:02,437 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:14:02,439 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:14:02,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:14:02,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:14:02,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:14:02,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:14:02,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:14:02,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:14:02,440 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:14:02,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:14:02,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:14:02,441 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_8382aec2-b527-4082-b232-cb61df32b677/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 -> 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b [2018-11-18 10:14:02,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:14:02,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:14:02,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:14:02,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:14:02,489 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:14:02,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-11-18 10:14:02,548 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/data/5e9976c84/93cde06b4fae4923acf11edaf0c37605/FLAGad6d9a473 [2018-11-18 10:14:02,977 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:14:02,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-11-18 10:14:02,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/data/5e9976c84/93cde06b4fae4923acf11edaf0c37605/FLAGad6d9a473 [2018-11-18 10:14:03,005 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/data/5e9976c84/93cde06b4fae4923acf11edaf0c37605 [2018-11-18 10:14:03,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:14:03,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:14:03,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:14:03,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:14:03,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:14:03,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc33b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03, skipping insertion in model container [2018-11-18 10:14:03,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:14:03,067 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:14:03,418 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:14:03,421 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:14:03,502 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:14:03,514 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:14:03,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03 WrapperNode [2018-11-18 10:14:03,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:14:03,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:14:03,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:14:03,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:14:03,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:14:03,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:14:03,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:14:03,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:14:03,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... [2018-11-18 10:14:03,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:14:03,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:14:03,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:14:03,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:14:03,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:14:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:14:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:14:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:14:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:14:05,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:14:05,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:14:05 BoogieIcfgContainer [2018-11-18 10:14:05,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:14:05,347 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:14:05,347 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:14:05,354 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:14:05,354 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:14:05" (1/1) ... [2018-11-18 10:14:05,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:14:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 10:14:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 10:14:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 10:14:05,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2018-11-18 10:14:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2018-11-18 10:14:06,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 10:14:06,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:14:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2018-11-18 10:14:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2018-11-18 10:14:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 10:14:06,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 153 states and 248 transitions. [2018-11-18 10:14:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 248 transitions. [2018-11-18 10:14:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 10:14:06,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 162 states and 264 transitions. [2018-11-18 10:14:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2018-11-18 10:14:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 10:14:06,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:14:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 163 states and 265 transitions. [2018-11-18 10:14:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 265 transitions. [2018-11-18 10:14:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 10:14:06,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:14:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 176 states and 286 transitions. [2018-11-18 10:14:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2018-11-18 10:14:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 10:14:07,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 182 states and 293 transitions. [2018-11-18 10:14:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 293 transitions. [2018-11-18 10:14:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 10:14:07,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 183 states and 294 transitions. [2018-11-18 10:14:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 294 transitions. [2018-11-18 10:14:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 10:14:07,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 198 states and 314 transitions. [2018-11-18 10:14:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 314 transitions. [2018-11-18 10:14:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:14:08,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 199 states and 316 transitions. [2018-11-18 10:14:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 316 transitions. [2018-11-18 10:14:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:14:08,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 209 states and 335 transitions. [2018-11-18 10:14:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 335 transitions. [2018-11-18 10:14:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:14:08,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2018-11-18 10:14:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2018-11-18 10:14:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:14:08,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:14:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 211 states and 338 transitions. [2018-11-18 10:14:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 338 transitions. [2018-11-18 10:14:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 10:14:09,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:09,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 214 states and 341 transitions. [2018-11-18 10:14:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 341 transitions. [2018-11-18 10:14:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 10:14:09,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 225 states and 359 transitions. [2018-11-18 10:14:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 359 transitions. [2018-11-18 10:14:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 10:14:09,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:14:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 227 states and 360 transitions. [2018-11-18 10:14:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 360 transitions. [2018-11-18 10:14:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 10:14:09,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 232 states and 365 transitions. [2018-11-18 10:14:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 365 transitions. [2018-11-18 10:14:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 10:14:10,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 238 states and 375 transitions. [2018-11-18 10:14:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 375 transitions. [2018-11-18 10:14:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 10:14:10,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 249 states and 391 transitions. [2018-11-18 10:14:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 391 transitions. [2018-11-18 10:14:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 10:14:11,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 251 states and 392 transitions. [2018-11-18 10:14:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 392 transitions. [2018-11-18 10:14:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 10:14:11,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 276 states and 426 transitions. [2018-11-18 10:14:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 426 transitions. [2018-11-18 10:14:12,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 10:14:12,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:14:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 287 states and 440 transitions. [2018-11-18 10:14:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 440 transitions. [2018-11-18 10:14:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 10:14:12,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 290 states and 443 transitions. [2018-11-18 10:14:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 443 transitions. [2018-11-18 10:14:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 10:14:12,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 292 states and 448 transitions. [2018-11-18 10:14:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 448 transitions. [2018-11-18 10:14:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 10:14:12,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 306 states and 470 transitions. [2018-11-18 10:14:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 470 transitions. [2018-11-18 10:14:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 10:14:13,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 311 states and 477 transitions. [2018-11-18 10:14:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 477 transitions. [2018-11-18 10:14:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 10:14:13,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 326 states and 492 transitions. [2018-11-18 10:14:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 492 transitions. [2018-11-18 10:14:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 10:14:14,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 337 states and 504 transitions. [2018-11-18 10:14:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 504 transitions. [2018-11-18 10:14:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 10:14:15,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 339 states and 507 transitions. [2018-11-18 10:14:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 507 transitions. [2018-11-18 10:14:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:14:15,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 365 states and 548 transitions. [2018-11-18 10:14:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 548 transitions. [2018-11-18 10:14:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:14:17,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 371 states and 557 transitions. [2018-11-18 10:14:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 557 transitions. [2018-11-18 10:14:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:14:17,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 381 states and 567 transitions. [2018-11-18 10:14:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 567 transitions. [2018-11-18 10:14:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:14:18,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 382 states and 568 transitions. [2018-11-18 10:14:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 568 transitions. [2018-11-18 10:14:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:14:18,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 388 states and 574 transitions. [2018-11-18 10:14:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 574 transitions. [2018-11-18 10:14:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 10:14:18,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 402 states and 595 transitions. [2018-11-18 10:14:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 595 transitions. [2018-11-18 10:14:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 10:14:20,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:14:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 413 states and 608 transitions. [2018-11-18 10:14:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 608 transitions. [2018-11-18 10:14:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 10:14:21,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 420 states and 617 transitions. [2018-11-18 10:14:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 617 transitions. [2018-11-18 10:14:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 10:14:21,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 422 states and 618 transitions. [2018-11-18 10:14:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 618 transitions. [2018-11-18 10:14:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:14:21,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 439 states and 639 transitions. [2018-11-18 10:14:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 639 transitions. [2018-11-18 10:14:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:14:22,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 457 states and 667 transitions. [2018-11-18 10:14:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 667 transitions. [2018-11-18 10:14:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:14:24,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 464 states and 674 transitions. [2018-11-18 10:14:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 674 transitions. [2018-11-18 10:14:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:14:24,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 474 states and 684 transitions. [2018-11-18 10:14:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 684 transitions. [2018-11-18 10:14:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:14:24,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 475 states and 684 transitions. [2018-11-18 10:14:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 684 transitions. [2018-11-18 10:14:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:14:24,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 546 states and 757 transitions. [2018-11-18 10:14:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 757 transitions. [2018-11-18 10:14:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 10:14:24,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 555 states and 765 transitions. [2018-11-18 10:14:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 765 transitions. [2018-11-18 10:14:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 10:14:25,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 568 states and 781 transitions. [2018-11-18 10:14:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 781 transitions. [2018-11-18 10:14:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 10:14:26,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 572 states and 785 transitions. [2018-11-18 10:14:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 785 transitions. [2018-11-18 10:14:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 10:14:26,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 583 states and 799 transitions. [2018-11-18 10:14:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 799 transitions. [2018-11-18 10:14:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 10:14:26,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 585 states and 800 transitions. [2018-11-18 10:14:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 800 transitions. [2018-11-18 10:14:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 10:14:26,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:14:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 587 states and 801 transitions. [2018-11-18 10:14:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 801 transitions. [2018-11-18 10:14:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 10:14:26,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:14:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 597 states and 814 transitions. [2018-11-18 10:14:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 814 transitions. [2018-11-18 10:14:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 10:14:27,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:14:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 599 states and 815 transitions. [2018-11-18 10:14:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 815 transitions. [2018-11-18 10:14:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 10:14:27,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:14:27,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 604 states and 819 transitions. [2018-11-18 10:14:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 819 transitions. [2018-11-18 10:14:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 10:14:27,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 609 states and 825 transitions. [2018-11-18 10:14:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 825 transitions. [2018-11-18 10:14:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 10:14:27,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 634 states and 855 transitions. [2018-11-18 10:14:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 855 transitions. [2018-11-18 10:14:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 10:14:28,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:28,230 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 641 states and 863 transitions. [2018-11-18 10:14:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 863 transitions. [2018-11-18 10:14:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 10:14:28,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 658 states and 886 transitions. [2018-11-18 10:14:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 886 transitions. [2018-11-18 10:14:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 10:14:28,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 687 states and 930 transitions. [2018-11-18 10:14:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 930 transitions. [2018-11-18 10:14:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 10:14:30,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 690 states and 932 transitions. [2018-11-18 10:14:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 932 transitions. [2018-11-18 10:14:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 10:14:30,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 743 states and 993 transitions. [2018-11-18 10:14:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 993 transitions. [2018-11-18 10:14:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 10:14:32,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 808 states and 1060 transitions. [2018-11-18 10:14:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1060 transitions. [2018-11-18 10:14:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:34,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 812 states and 1063 transitions. [2018-11-18 10:14:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1063 transitions. [2018-11-18 10:14:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:34,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 833 states and 1098 transitions. [2018-11-18 10:14:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1098 transitions. [2018-11-18 10:14:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:35,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 851 states and 1120 transitions. [2018-11-18 10:14:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1120 transitions. [2018-11-18 10:14:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:36,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 875 states and 1145 transitions. [2018-11-18 10:14:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1145 transitions. [2018-11-18 10:14:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:37,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 879 states and 1149 transitions. [2018-11-18 10:14:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1149 transitions. [2018-11-18 10:14:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:37,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 880 states and 1149 transitions. [2018-11-18 10:14:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1149 transitions. [2018-11-18 10:14:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:14:38,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 881 states and 1149 transitions. [2018-11-18 10:14:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1149 transitions. [2018-11-18 10:14:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:14:38,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:14:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 884 states and 1152 transitions. [2018-11-18 10:14:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1152 transitions. [2018-11-18 10:14:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:14:38,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:14:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 893 states and 1163 transitions. [2018-11-18 10:14:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1163 transitions. [2018-11-18 10:14:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:14:39,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:14:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 901 states and 1169 transitions. [2018-11-18 10:14:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1169 transitions. [2018-11-18 10:14:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:14:39,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:14:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 905 states and 1172 transitions. [2018-11-18 10:14:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1172 transitions. [2018-11-18 10:14:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:14:39,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 10:14:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 906 states and 1172 transitions. [2018-11-18 10:14:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1172 transitions. [2018-11-18 10:14:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 10:14:39,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:14:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 913 states and 1182 transitions. [2018-11-18 10:14:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1182 transitions. [2018-11-18 10:14:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 10:14:40,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:14:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 917 states and 1185 transitions. [2018-11-18 10:14:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1185 transitions. [2018-11-18 10:14:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 10:14:40,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:14:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 921 states and 1190 transitions. [2018-11-18 10:14:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1190 transitions. [2018-11-18 10:14:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:14:40,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:43,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:43,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 978 states and 1252 transitions. [2018-11-18 10:14:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1252 transitions. [2018-11-18 10:14:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:14:43,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 991 states and 1264 transitions. [2018-11-18 10:14:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1264 transitions. [2018-11-18 10:14:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:14:44,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1028 states and 1303 transitions. [2018-11-18 10:14:45,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1303 transitions. [2018-11-18 10:14:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:14:45,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1031 states and 1307 transitions. [2018-11-18 10:14:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1307 transitions. [2018-11-18 10:14:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:14:45,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1034 states and 1310 transitions. [2018-11-18 10:14:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1310 transitions. [2018-11-18 10:14:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:14:46,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1038 states and 1313 transitions. [2018-11-18 10:14:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1313 transitions. [2018-11-18 10:14:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:14:46,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1039 states and 1313 transitions. [2018-11-18 10:14:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1313 transitions. [2018-11-18 10:14:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 10:14:46,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 115 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:14:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1051 states and 1330 transitions. [2018-11-18 10:14:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1330 transitions. [2018-11-18 10:14:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:14:47,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:14:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1082 states and 1367 transitions. [2018-11-18 10:14:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1367 transitions. [2018-11-18 10:14:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:14:49,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:14:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1084 states and 1369 transitions. [2018-11-18 10:14:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1369 transitions. [2018-11-18 10:14:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 10:14:49,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:14:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1115 states and 1405 transitions. [2018-11-18 10:14:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1405 transitions. [2018-11-18 10:14:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 10:14:50,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 10:14:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1126 states and 1419 transitions. [2018-11-18 10:14:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1419 transitions. [2018-11-18 10:14:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 10:14:50,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 10:14:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1128 states and 1422 transitions. [2018-11-18 10:14:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1422 transitions. [2018-11-18 10:14:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 10:14:51,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 10:14:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1144 states and 1438 transitions. [2018-11-18 10:14:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1438 transitions. [2018-11-18 10:14:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 10:14:51,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 10:14:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1145 states and 1438 transitions. [2018-11-18 10:14:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1438 transitions. [2018-11-18 10:14:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 10:14:51,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1175 states and 1473 transitions. [2018-11-18 10:14:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1473 transitions. [2018-11-18 10:14:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:14:54,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:14:55,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1193 states and 1500 transitions. [2018-11-18 10:14:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1500 transitions. [2018-11-18 10:14:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:14:55,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:14:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1199 states and 1513 transitions. [2018-11-18 10:14:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1513 transitions. [2018-11-18 10:14:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 10:14:56,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:14:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:14:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1234 states and 1554 transitions. [2018-11-18 10:14:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1554 transitions. [2018-11-18 10:14:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:14:58,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:14:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:14:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1262 states and 1586 transitions. [2018-11-18 10:15:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1586 transitions. [2018-11-18 10:15:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:15:00,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1297 states and 1626 transitions. [2018-11-18 10:15:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1626 transitions. [2018-11-18 10:15:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:15:01,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1305 states and 1635 transitions. [2018-11-18 10:15:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1635 transitions. [2018-11-18 10:15:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 10:15:02,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:15:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1315 states and 1644 transitions. [2018-11-18 10:15:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1644 transitions. [2018-11-18 10:15:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 10:15:02,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:04,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1355 states and 1689 transitions. [2018-11-18 10:15:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1689 transitions. [2018-11-18 10:15:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 10:15:04,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:15:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1403 states and 1740 transitions. [2018-11-18 10:15:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1740 transitions. [2018-11-18 10:15:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 10:15:08,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 10:15:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1470 states and 1815 transitions. [2018-11-18 10:15:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1815 transitions. [2018-11-18 10:15:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 10:15:09,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 10:15:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1476 states and 1821 transitions. [2018-11-18 10:15:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1821 transitions. [2018-11-18 10:15:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 10:15:10,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 10:15:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1485 states and 1831 transitions. [2018-11-18 10:15:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1831 transitions. [2018-11-18 10:15:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:15:11,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 10:15:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1506 states and 1851 transitions. [2018-11-18 10:15:11,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1851 transitions. [2018-11-18 10:15:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:15:11,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 10:15:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1510 states and 1854 transitions. [2018-11-18 10:15:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1854 transitions. [2018-11-18 10:15:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:15:11,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1517 states and 1862 transitions. [2018-11-18 10:15:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1862 transitions. [2018-11-18 10:15:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:15:13,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1518 states and 1863 transitions. [2018-11-18 10:15:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1863 transitions. [2018-11-18 10:15:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:15:13,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 245 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 10:15:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1523 states and 1869 transitions. [2018-11-18 10:15:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1869 transitions. [2018-11-18 10:15:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 10:15:14,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 10:15:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1583 states and 1929 transitions. [2018-11-18 10:15:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1929 transitions. [2018-11-18 10:15:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 10:15:19,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 280 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:15:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1589 states and 1937 transitions. [2018-11-18 10:15:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1937 transitions. [2018-11-18 10:15:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 10:15:21,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 10:15:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1660 states and 2017 transitions. [2018-11-18 10:15:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2017 transitions. [2018-11-18 10:15:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 10:15:21,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 10:15:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1784 states and 2152 transitions. [2018-11-18 10:15:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2152 transitions. [2018-11-18 10:15:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 10:15:26,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 10:15:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1841 states and 2209 transitions. [2018-11-18 10:15:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2209 transitions. [2018-11-18 10:15:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 10:15:28,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 10:15:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1847 states and 2215 transitions. [2018-11-18 10:15:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2215 transitions. [2018-11-18 10:15:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 10:15:28,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:15:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1849 states and 2216 transitions. [2018-11-18 10:15:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2216 transitions. [2018-11-18 10:15:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 10:15:28,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 248 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:15:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1861 states and 2235 transitions. [2018-11-18 10:15:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2235 transitions. [2018-11-18 10:15:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 10:15:29,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 163 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 10:15:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1881 states and 2256 transitions. [2018-11-18 10:15:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2256 transitions. [2018-11-18 10:15:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 10:15:33,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 10:15:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1885 states and 2259 transitions. [2018-11-18 10:15:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2259 transitions. [2018-11-18 10:15:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 10:15:34,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1918 states and 2296 transitions. [2018-11-18 10:15:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2296 transitions. [2018-11-18 10:15:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 10:15:35,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1935 states and 2312 transitions. [2018-11-18 10:15:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2312 transitions. [2018-11-18 10:15:36,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 10:15:36,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1936 states and 2312 transitions. [2018-11-18 10:15:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2312 transitions. [2018-11-18 10:15:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 10:15:37,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:15:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1941 states and 2319 transitions. [2018-11-18 10:15:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2319 transitions. [2018-11-18 10:15:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:15:40,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1956 states and 2335 transitions. [2018-11-18 10:15:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2335 transitions. [2018-11-18 10:15:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:15:41,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1958 states and 2337 transitions. [2018-11-18 10:15:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2337 transitions. [2018-11-18 10:15:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:15:42,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 1964 states and 2343 transitions. [2018-11-18 10:15:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2343 transitions. [2018-11-18 10:15:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:15:43,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1974 states and 2352 transitions. [2018-11-18 10:15:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2352 transitions. [2018-11-18 10:15:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:15:43,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:15:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1979 states and 2356 transitions. [2018-11-18 10:15:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2356 transitions. [2018-11-18 10:15:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 10:15:44,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 10:15:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2069 states and 2456 transitions. [2018-11-18 10:15:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2456 transitions. [2018-11-18 10:15:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:15:45,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 10:15:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2070 states and 2456 transitions. [2018-11-18 10:15:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2456 transitions. [2018-11-18 10:15:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 10:15:45,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 372 proven. 23 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 10:15:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2075 states and 2461 transitions. [2018-11-18 10:15:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2461 transitions. [2018-11-18 10:15:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 10:15:47,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 10:15:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2095 states and 2493 transitions. [2018-11-18 10:15:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2493 transitions. [2018-11-18 10:15:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 10:15:49,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 10:15:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2097 states and 2496 transitions. [2018-11-18 10:15:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2496 transitions. [2018-11-18 10:15:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 10:15:49,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 10:15:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2099 states and 2499 transitions. [2018-11-18 10:15:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2499 transitions. [2018-11-18 10:15:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 10:15:50,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 10:15:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2107 states and 2510 transitions. [2018-11-18 10:15:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2510 transitions. [2018-11-18 10:15:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 10:15:51,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 10:15:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2111 states and 2514 transitions. [2018-11-18 10:15:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2514 transitions. [2018-11-18 10:15:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 10:15:51,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 10:15:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2145 states and 2548 transitions. [2018-11-18 10:15:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2548 transitions. [2018-11-18 10:15:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 10:15:53,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 10:15:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2157 states and 2558 transitions. [2018-11-18 10:15:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2558 transitions. [2018-11-18 10:15:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 10:15:53,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 10:15:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2159 states and 2559 transitions. [2018-11-18 10:15:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2559 transitions. [2018-11-18 10:15:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-18 10:15:54,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-18 10:15:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2165 states and 2564 transitions. [2018-11-18 10:15:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2564 transitions. [2018-11-18 10:15:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 10:15:54,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-18 10:15:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2177 states and 2581 transitions. [2018-11-18 10:15:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2581 transitions. [2018-11-18 10:15:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 10:15:55,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-18 10:15:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2185 states and 2593 transitions. [2018-11-18 10:15:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2593 transitions. [2018-11-18 10:15:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 10:15:57,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-18 10:15:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2186 states and 2594 transitions. [2018-11-18 10:15:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2594 transitions. [2018-11-18 10:15:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 10:15:57,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-18 10:15:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2187 states and 2594 transitions. [2018-11-18 10:15:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2594 transitions. [2018-11-18 10:15:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-18 10:15:57,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-11-18 10:15:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:58,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2208 states and 2614 transitions. [2018-11-18 10:15:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2614 transitions. [2018-11-18 10:15:58,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-18 10:15:58,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-11-18 10:15:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:15:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2229 states and 2634 transitions. [2018-11-18 10:15:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2634 transitions. [2018-11-18 10:15:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 10:15:59,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:15:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:15:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 10:16:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:16:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2244 states and 2656 transitions. [2018-11-18 10:16:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2656 transitions. [2018-11-18 10:16:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 10:16:02,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:16:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:16:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 10:16:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:16:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2245 states and 2657 transitions. [2018-11-18 10:16:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2657 transitions. [2018-11-18 10:16:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 10:16:02,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:16:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:16:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 10:16:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:16:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2257 states and 2712 transitions. [2018-11-18 10:16:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2712 transitions. [2018-11-18 10:16:17,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:16:17,712 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 150 iterations. [2018-11-18 10:16:17,718 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:16:18,064 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 54 [2018-11-18 10:16:18,301 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 49 [2018-11-18 10:16:18,501 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-11-18 10:16:18,631 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 25 [2018-11-18 10:16:18,758 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-11-18 10:16:18,959 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 52 [2018-11-18 10:16:19,116 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 25 [2018-11-18 10:16:19,220 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-11-18 10:16:19,357 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-11-18 10:16:19,522 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-11-18 10:16:19,637 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2018-11-18 10:16:20,057 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 51 [2018-11-18 10:16:20,291 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 46 [2018-11-18 10:16:20,454 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 48 [2018-11-18 10:16:21,022 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2018-11-18 10:16:21,277 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-11-18 10:16:21,567 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-11-18 10:16:21,775 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-11-18 10:16:22,002 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2018-11-18 10:16:22,110 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-11-18 10:16:22,299 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2018-11-18 10:16:22,399 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 28 [2018-11-18 10:16:22,929 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 53 [2018-11-18 10:16:23,189 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 64 [2018-11-18 10:16:23,582 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 49 [2018-11-18 10:16:23,785 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 46 [2018-11-18 10:16:23,951 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 46 [2018-11-18 10:16:24,055 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-11-18 10:16:24,186 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 35 [2018-11-18 10:16:24,187 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:16:24,188 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 10:16:24,195 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 10:16:24,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:16:24 ImpRootNode [2018-11-18 10:16:24,196 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:16:24,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:16:24,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:16:24,196 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:16:24,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:14:05" (3/4) ... [2018-11-18 10:16:24,199 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:16:24,213 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 10:16:24,214 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 10:16:24,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 10:16:24,293 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8382aec2-b527-4082-b232-cb61df32b677/bin-2019/ukojak/witness.graphml [2018-11-18 10:16:24,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:16:24,293 INFO L168 Benchmark]: Toolchain (without parser) took 141285.90 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 2.9 GB). Free memory was 957.0 MB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,294 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:16:24,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 924.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 924.7 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,295 INFO L168 Benchmark]: Boogie Preprocessor took 44.71 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,295 INFO L168 Benchmark]: RCFGBuilder took 1670.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.4 MB in the end (delta: 224.2 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,295 INFO L168 Benchmark]: CodeCheck took 138849.01 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 893.7 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,295 INFO L168 Benchmark]: Witness Printer took 96.98 ms. Allocated memory is still 4.0 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:16:24,297 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, 199 locations, 1 error locations. SAFE Result, 132.3s OverallTime, 150 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 278396980 SDtfs, 1960661832 SDslu, 1958740380 SDs, 0 SdLazy, -1136502492 SolverSat, 591636112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 442.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168796 GetRequests, 164239 SyntacticMatches, 3019 SemanticMatches, 1538 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1750529 ImplicationChecksByTransitivity, 115.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 24672 NumberOfCodeBlocks, 24672 NumberOfCodeBlocksAsserted, 149 NumberOfCheckSat, 24523 ConstructedInterpolants, 0 QuantifiedInterpolants, 18347477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 149 InterpolantComputations, 114 PerfectInterpolantSequences, 24543/25114 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: 455]: 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: ((((((!(a21 == 1) && a8 == 13) && a17 <= 0) && a12 == 8) && a20 == 1) || !(a7 == 1)) || a17 == 1) || !(a16 == 6) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a17 == 1) || ((((!(a21 == 1) && a8 == 13) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 505.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 924.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 924.7 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.71 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1670.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.4 MB in the end (delta: 224.2 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. * CodeCheck took 138849.01 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 893.7 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 96.98 ms. Allocated memory is still 4.0 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...