./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label03_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_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/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 79d76b935496dc6a959c1e4984dc143bd47f9882 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:07:54,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:07:54,302 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:07:54,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:07:54,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:07:54,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:07:54,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:07:54,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:07:54,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:07:54,313 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:07:54,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:07:54,314 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:07:54,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:07:54,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:07:54,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:07:54,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:07:54,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:07:54,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:07:54,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:07:54,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:07:54,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:07:54,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:07:54,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:07:54,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:07:54,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:07:54,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:07:54,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:07:54,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:07:54,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:07:54,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:07:54,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:07:54,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:07:54,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:07:54,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:07:54,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:07:54,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:07:54,331 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:07:54,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:07:54,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:07:54,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:07:54,344 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:07:54,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:07:54,345 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:07:54,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:07:54,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:07:54,345 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:07:54,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:07:54,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:07:54,346 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:07:54,347 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:07:54,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:07:54,348 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:07:54,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:07:54,349 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_08822412-9865-4588-b4b2-a3f89bd2c106/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 -> 79d76b935496dc6a959c1e4984dc143bd47f9882 [2018-11-18 19:07:54,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:07:54,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:07:54,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:07:54,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:07:54,386 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:07:54,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c [2018-11-18 19:07:54,426 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/data/2f7ccd531/bfd4ae4278774f0ba4261162a0fa2f12/FLAG7f10ad27a [2018-11-18 19:07:54,809 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:07:54,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c [2018-11-18 19:07:54,819 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/data/2f7ccd531/bfd4ae4278774f0ba4261162a0fa2f12/FLAG7f10ad27a [2018-11-18 19:07:55,189 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/data/2f7ccd531/bfd4ae4278774f0ba4261162a0fa2f12 [2018-11-18 19:07:55,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:07:55,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:07:55,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:07:55,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:07:55,196 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:07:55,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d293ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55, skipping insertion in model container [2018-11-18 19:07:55,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:07:55,242 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:07:55,484 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:07:55,488 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:07:55,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:07:55,570 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:07:55,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55 WrapperNode [2018-11-18 19:07:55,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:07:55,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:07:55,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:07:55,572 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:07:55,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:07:55,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:07:55,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:07:55,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:07:55,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... [2018-11-18 19:07:55,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:07:55,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:07:55,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:07:55,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:07:55,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:07:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/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 19:07:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 19:07:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:07:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:07:57,336 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:07:57,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:07:57 BoogieIcfgContainer [2018-11-18 19:07:57,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:07:57,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:07:57,337 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:07:57,345 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:07:57,346 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:07:57" (1/1) ... [2018-11-18 19:07:57,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:07:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 19:07:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 19:07:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 19:07:57,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:57,667 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 19:07:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 19:07:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 19:07:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 19:07:58,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:58,204 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 19:07:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-18 19:07:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-18 19:07:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 19:07:58,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:58,757 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 19:07:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2018-11-18 19:07:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2018-11-18 19:07:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 19:07:58,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:07:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 259 states and 363 transitions. [2018-11-18 19:07:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2018-11-18 19:07:59,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 19:07:59,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,073 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 19:07:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 264 states and 368 transitions. [2018-11-18 19:07:59,123 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 368 transitions. [2018-11-18 19:07:59,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 19:07:59,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:07:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 275 states and 383 transitions. [2018-11-18 19:07:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2018-11-18 19:07:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 19:07:59,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:07:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 278 states and 386 transitions. [2018-11-18 19:07:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 386 transitions. [2018-11-18 19:07:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 19:07:59,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:07:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 279 states and 387 transitions. [2018-11-18 19:07:59,407 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 387 transitions. [2018-11-18 19:07:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 19:07:59,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:07:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 284 states and 393 transitions. [2018-11-18 19:07:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 393 transitions. [2018-11-18 19:07:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 19:07:59,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:07:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 285 states and 394 transitions. [2018-11-18 19:07:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 394 transitions. [2018-11-18 19:07:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 19:07:59,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:07:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 292 states and 401 transitions. [2018-11-18 19:07:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 401 transitions. [2018-11-18 19:07:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 19:07:59,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:07:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 299 states and 408 transitions. [2018-11-18 19:07:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2018-11-18 19:07:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 19:07:59,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,796 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 19:07:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:07:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-11-18 19:07:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-11-18 19:07:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 19:07:59,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:07:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:07:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 325 states and 436 transitions. [2018-11-18 19:08:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 436 transitions. [2018-11-18 19:08:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 19:08:00,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 19:08:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 344 states and 458 transitions. [2018-11-18 19:08:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2018-11-18 19:08:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 19:08:00,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:00,566 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 19:08:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 424 states and 545 transitions. [2018-11-18 19:08:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 545 transitions. [2018-11-18 19:08:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 19:08:01,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 449 states and 576 transitions. [2018-11-18 19:08:01,403 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 576 transitions. [2018-11-18 19:08:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 19:08:01,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:01,493 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 19:08:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 462 states and 592 transitions. [2018-11-18 19:08:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 592 transitions. [2018-11-18 19:08:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 19:08:01,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 19:08:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 577 states and 727 transitions. [2018-11-18 19:08:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 727 transitions. [2018-11-18 19:08:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 19:08:03,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 584 states and 734 transitions. [2018-11-18 19:08:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 734 transitions. [2018-11-18 19:08:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 19:08:03,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:03,293 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 19:08:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:03,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 591 states and 741 transitions. [2018-11-18 19:08:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 741 transitions. [2018-11-18 19:08:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 19:08:03,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:08:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 614 states and 767 transitions. [2018-11-18 19:08:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 767 transitions. [2018-11-18 19:08:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 19:08:03,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 637 states and 796 transitions. [2018-11-18 19:08:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 796 transitions. [2018-11-18 19:08:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 19:08:03,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:08:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:04,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 657 states and 821 transitions. [2018-11-18 19:08:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 821 transitions. [2018-11-18 19:08:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 19:08:04,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 19:08:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 660 states and 825 transitions. [2018-11-18 19:08:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 825 transitions. [2018-11-18 19:08:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 19:08:04,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 19:08:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 664 states and 830 transitions. [2018-11-18 19:08:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 830 transitions. [2018-11-18 19:08:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 19:08:04,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 673 states and 838 transitions. [2018-11-18 19:08:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 838 transitions. [2018-11-18 19:08:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 19:08:04,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 680 states and 844 transitions. [2018-11-18 19:08:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 844 transitions. [2018-11-18 19:08:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 19:08:04,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 19:08:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 702 states and 867 transitions. [2018-11-18 19:08:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 867 transitions. [2018-11-18 19:08:04,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 19:08:04,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 19:08:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 703 states and 869 transitions. [2018-11-18 19:08:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 869 transitions. [2018-11-18 19:08:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 19:08:05,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 735 states and 911 transitions. [2018-11-18 19:08:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 911 transitions. [2018-11-18 19:08:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 19:08:05,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:08:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 738 states and 914 transitions. [2018-11-18 19:08:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 914 transitions. [2018-11-18 19:08:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 19:08:05,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:08:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 751 states and 928 transitions. [2018-11-18 19:08:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 928 transitions. [2018-11-18 19:08:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 19:08:06,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 756 states and 938 transitions. [2018-11-18 19:08:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 938 transitions. [2018-11-18 19:08:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 19:08:06,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:08:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 798 states and 991 transitions. [2018-11-18 19:08:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 991 transitions. [2018-11-18 19:08:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 19:08:08,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 19:08:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 837 states and 1040 transitions. [2018-11-18 19:08:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1040 transitions. [2018-11-18 19:08:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 19:08:09,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:08:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 860 states and 1071 transitions. [2018-11-18 19:08:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1071 transitions. [2018-11-18 19:08:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 19:08:09,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 19:08:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 886 states and 1100 transitions. [2018-11-18 19:08:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1100 transitions. [2018-11-18 19:08:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 19:08:10,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 19:08:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 901 states and 1116 transitions. [2018-11-18 19:08:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1116 transitions. [2018-11-18 19:08:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 19:08:10,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 968 states and 1195 transitions. [2018-11-18 19:08:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1195 transitions. [2018-11-18 19:08:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 19:08:12,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:08:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 972 states and 1199 transitions. [2018-11-18 19:08:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1199 transitions. [2018-11-18 19:08:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 19:08:13,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1035 states and 1269 transitions. [2018-11-18 19:08:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1269 transitions. [2018-11-18 19:08:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 19:08:16,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1058 states and 1297 transitions. [2018-11-18 19:08:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1297 transitions. [2018-11-18 19:08:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 19:08:16,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1067 states and 1306 transitions. [2018-11-18 19:08:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1306 transitions. [2018-11-18 19:08:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 19:08:16,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1074 states and 1312 transitions. [2018-11-18 19:08:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1312 transitions. [2018-11-18 19:08:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 19:08:17,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:17,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1083 states and 1322 transitions. [2018-11-18 19:08:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1322 transitions. [2018-11-18 19:08:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 19:08:17,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:08:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1116 states and 1357 transitions. [2018-11-18 19:08:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1357 transitions. [2018-11-18 19:08:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 19:08:17,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1151 states and 1395 transitions. [2018-11-18 19:08:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1395 transitions. [2018-11-18 19:08:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 19:08:19,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1167 states and 1411 transitions. [2018-11-18 19:08:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1411 transitions. [2018-11-18 19:08:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 19:08:20,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 19:08:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1170 states and 1414 transitions. [2018-11-18 19:08:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1414 transitions. [2018-11-18 19:08:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 19:08:20,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:22,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1217 states and 1467 transitions. [2018-11-18 19:08:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1467 transitions. [2018-11-18 19:08:22,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 19:08:22,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 19:08:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1232 states and 1487 transitions. [2018-11-18 19:08:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1487 transitions. [2018-11-18 19:08:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 19:08:23,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 19:08:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1251 states and 1508 transitions. [2018-11-18 19:08:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1508 transitions. [2018-11-18 19:08:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 19:08:23,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:08:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1256 states and 1514 transitions. [2018-11-18 19:08:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1514 transitions. [2018-11-18 19:08:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 19:08:23,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 19:08:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1259 states and 1523 transitions. [2018-11-18 19:08:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1523 transitions. [2018-11-18 19:08:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 19:08:23,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:08:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1298 states and 1567 transitions. [2018-11-18 19:08:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1567 transitions. [2018-11-18 19:08:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 19:08:25,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 19:08:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1334 states and 1602 transitions. [2018-11-18 19:08:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1602 transitions. [2018-11-18 19:08:28,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 19:08:28,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1365 states and 1635 transitions. [2018-11-18 19:08:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1635 transitions. [2018-11-18 19:08:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 19:08:29,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:08:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1433 states and 1703 transitions. [2018-11-18 19:08:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1703 transitions. [2018-11-18 19:08:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 19:08:33,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:08:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1470 states and 1739 transitions. [2018-11-18 19:08:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1739 transitions. [2018-11-18 19:08:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 19:08:34,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 19:08:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1484 states and 1754 transitions. [2018-11-18 19:08:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1754 transitions. [2018-11-18 19:08:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 19:08:35,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 19:08:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1512 states and 1784 transitions. [2018-11-18 19:08:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1784 transitions. [2018-11-18 19:08:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 19:08:36,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1535 states and 1810 transitions. [2018-11-18 19:08:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1810 transitions. [2018-11-18 19:08:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:08:37,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 19:08:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:37,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1615 states and 1896 transitions. [2018-11-18 19:08:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1896 transitions. [2018-11-18 19:08:37,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 19:08:37,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 19:08:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1626 states and 1907 transitions. [2018-11-18 19:08:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1907 transitions. [2018-11-18 19:08:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 19:08:38,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 19:08:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1629 states and 1911 transitions. [2018-11-18 19:08:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 1911 transitions. [2018-11-18 19:08:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 19:08:38,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 19:08:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1649 states and 1931 transitions. [2018-11-18 19:08:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1931 transitions. [2018-11-18 19:08:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 19:08:38,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 19:08:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:38,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1658 states and 1940 transitions. [2018-11-18 19:08:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1940 transitions. [2018-11-18 19:08:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:38,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1729 states and 2029 transitions. [2018-11-18 19:08:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2029 transitions. [2018-11-18 19:08:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:41,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1752 states and 2055 transitions. [2018-11-18 19:08:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2055 transitions. [2018-11-18 19:08:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:42,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 1755 states and 2057 transitions. [2018-11-18 19:08:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2057 transitions. [2018-11-18 19:08:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:42,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1775 states and 2078 transitions. [2018-11-18 19:08:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2078 transitions. [2018-11-18 19:08:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:42,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1784 states and 2086 transitions. [2018-11-18 19:08:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2086 transitions. [2018-11-18 19:08:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:43,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1805 states and 2108 transitions. [2018-11-18 19:08:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2108 transitions. [2018-11-18 19:08:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:43,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1814 states and 2116 transitions. [2018-11-18 19:08:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2116 transitions. [2018-11-18 19:08:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:08:44,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:08:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1821 states and 2122 transitions. [2018-11-18 19:08:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2122 transitions. [2018-11-18 19:08:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 19:08:44,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:44,518 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 19:08:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1838 states and 2142 transitions. [2018-11-18 19:08:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2142 transitions. [2018-11-18 19:08:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 19:08:45,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 19:08:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1893 states and 2201 transitions. [2018-11-18 19:08:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2201 transitions. [2018-11-18 19:08:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:08:46,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 19:08:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 1960 states and 2282 transitions. [2018-11-18 19:08:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2282 transitions. [2018-11-18 19:08:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:08:49,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 19:08:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1992 states and 2319 transitions. [2018-11-18 19:08:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2319 transitions. [2018-11-18 19:08:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:08:50,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 19:08:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2013 states and 2342 transitions. [2018-11-18 19:08:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2342 transitions. [2018-11-18 19:08:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:08:51,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 19:08:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2040 states and 2373 transitions. [2018-11-18 19:08:52,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2373 transitions. [2018-11-18 19:08:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:08:52,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 19:08:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2043 states and 2376 transitions. [2018-11-18 19:08:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2376 transitions. [2018-11-18 19:08:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:08:52,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 19:08:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2046 states and 2378 transitions. [2018-11-18 19:08:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2378 transitions. [2018-11-18 19:08:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 19:08:53,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 19:08:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2063 states and 2397 transitions. [2018-11-18 19:08:54,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2397 transitions. [2018-11-18 19:08:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 19:08:54,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 19:08:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2163 states and 2498 transitions. [2018-11-18 19:08:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2498 transitions. [2018-11-18 19:08:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 19:08:56,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 36 proven. 114 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:08:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:08:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2322 states and 2672 transitions. [2018-11-18 19:08:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2672 transitions. [2018-11-18 19:08:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 19:08:59,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:08:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:08:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 19:09:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2323 states and 2672 transitions. [2018-11-18 19:09:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2672 transitions. [2018-11-18 19:09:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 19:09:00,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:09:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2416 states and 2768 transitions. [2018-11-18 19:09:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2768 transitions. [2018-11-18 19:09:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 19:09:04,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 19:09:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2435 states and 2789 transitions. [2018-11-18 19:09:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 2789 transitions. [2018-11-18 19:09:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 19:09:05,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 19:09:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2496 states and 2853 transitions. [2018-11-18 19:09:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2853 transitions. [2018-11-18 19:09:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 19:09:10,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 19:09:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2521 states and 2881 transitions. [2018-11-18 19:09:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 2881 transitions. [2018-11-18 19:09:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 19:09:12,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 19:09:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2547 states and 2907 transitions. [2018-11-18 19:09:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 2907 transitions. [2018-11-18 19:09:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 19:09:15,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 19:09:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2563 states and 2922 transitions. [2018-11-18 19:09:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2922 transitions. [2018-11-18 19:09:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 19:09:16,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:09:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2612 states and 2969 transitions. [2018-11-18 19:09:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2969 transitions. [2018-11-18 19:09:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 19:09:19,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:09:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2615 states and 2971 transitions. [2018-11-18 19:09:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 2971 transitions. [2018-11-18 19:09:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 19:09:20,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:09:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2627 states and 2982 transitions. [2018-11-18 19:09:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 2982 transitions. [2018-11-18 19:09:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 19:09:21,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:21,037 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-18 19:09:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2639 states and 2996 transitions. [2018-11-18 19:09:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 2996 transitions. [2018-11-18 19:09:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 19:09:21,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 19:09:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2650 states and 3009 transitions. [2018-11-18 19:09:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3009 transitions. [2018-11-18 19:09:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 19:09:22,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 19:09:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 2652 states and 3014 transitions. [2018-11-18 19:09:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3014 transitions. [2018-11-18 19:09:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 19:09:23,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 19:09:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2683 states and 3046 transitions. [2018-11-18 19:09:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3046 transitions. [2018-11-18 19:09:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 19:09:23,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 19:09:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2684 states and 3046 transitions. [2018-11-18 19:09:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3046 transitions. [2018-11-18 19:09:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 19:09:23,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 186 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 19:09:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 2692 states and 3053 transitions. [2018-11-18 19:09:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3053 transitions. [2018-11-18 19:09:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 19:09:24,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 186 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 19:09:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2700 states and 3060 transitions. [2018-11-18 19:09:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3060 transitions. [2018-11-18 19:09:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:24,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2735 states and 3104 transitions. [2018-11-18 19:09:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3104 transitions. [2018-11-18 19:09:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:26,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 2753 states and 3122 transitions. [2018-11-18 19:09:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3122 transitions. [2018-11-18 19:09:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:27,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2776 states and 3147 transitions. [2018-11-18 19:09:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3147 transitions. [2018-11-18 19:09:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:27,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2785 states and 3159 transitions. [2018-11-18 19:09:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3159 transitions. [2018-11-18 19:09:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:28,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2803 states and 3177 transitions. [2018-11-18 19:09:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3177 transitions. [2018-11-18 19:09:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:28,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 2806 states and 3180 transitions. [2018-11-18 19:09:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3180 transitions. [2018-11-18 19:09:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 19:09:29,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 19:09:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 2809 states and 3182 transitions. [2018-11-18 19:09:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3182 transitions. [2018-11-18 19:09:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 19:09:29,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 19:09:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 2816 states and 3193 transitions. [2018-11-18 19:09:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3193 transitions. [2018-11-18 19:09:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 19:09:30,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 19:09:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 2871 states and 3248 transitions. [2018-11-18 19:09:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3248 transitions. [2018-11-18 19:09:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 19:09:32,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 19:09:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2879 states and 3258 transitions. [2018-11-18 19:09:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3258 transitions. [2018-11-18 19:09:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 19:09:33,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 19:09:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 2882 states and 3260 transitions. [2018-11-18 19:09:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3260 transitions. [2018-11-18 19:09:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 19:09:33,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 185 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 19:09:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2893 states and 3271 transitions. [2018-11-18 19:09:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3271 transitions. [2018-11-18 19:09:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 19:09:34,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 19:09:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2894 states and 3271 transitions. [2018-11-18 19:09:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 3271 transitions. [2018-11-18 19:09:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 19:09:34,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 19:09:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 2934 states and 3322 transitions. [2018-11-18 19:09:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3322 transitions. [2018-11-18 19:09:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 19:09:35,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 19:09:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 2943 states and 3331 transitions. [2018-11-18 19:09:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3331 transitions. [2018-11-18 19:09:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 19:09:36,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 19:09:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 2950 states and 3337 transitions. [2018-11-18 19:09:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 3337 transitions. [2018-11-18 19:09:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 19:09:37,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 19:09:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 2959 states and 3345 transitions. [2018-11-18 19:09:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3345 transitions. [2018-11-18 19:09:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 19:09:37,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 19:09:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 2964 states and 3351 transitions. [2018-11-18 19:09:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3351 transitions. [2018-11-18 19:09:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 19:09:38,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 172 proven. 5 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 19:09:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:38,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 2970 states and 3361 transitions. [2018-11-18 19:09:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3361 transitions. [2018-11-18 19:09:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 19:09:38,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 19:09:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 2971 states and 3362 transitions. [2018-11-18 19:09:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3362 transitions. [2018-11-18 19:09:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:09:39,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 37 proven. 228 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 19:09:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3046 states and 3438 transitions. [2018-11-18 19:09:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3438 transitions. [2018-11-18 19:09:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:09:43,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 37 proven. 228 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 19:09:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3051 states and 3445 transitions. [2018-11-18 19:09:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3445 transitions. [2018-11-18 19:09:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 19:09:43,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:09:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:09:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-11-18 19:09:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:09:44,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 2984 states and 3377 transitions. [2018-11-18 19:09:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3377 transitions. [2018-11-18 19:09:44,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:09:44,270 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 128 iterations. [2018-11-18 19:09:44,277 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:09:44,460 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 42 [2018-11-18 19:09:44,752 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2018-11-18 19:09:44,960 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 42 [2018-11-18 19:09:45,097 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2018-11-18 19:09:45,554 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 41 [2018-11-18 19:09:45,715 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 41 [2018-11-18 19:09:46,342 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-11-18 19:09:46,474 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 16 [2018-11-18 19:09:46,574 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 16 [2018-11-18 19:09:46,906 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 41 [2018-11-18 19:09:47,311 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-11-18 19:09:47,489 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 16 [2018-11-18 19:09:47,710 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-11-18 19:09:47,932 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-11-18 19:09:48,171 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-11-18 19:09:48,478 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-11-18 19:09:48,789 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 49 [2018-11-18 19:09:48,989 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2018-11-18 19:09:49,358 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 16 [2018-11-18 19:09:49,718 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2018-11-18 19:09:50,168 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2018-11-18 19:09:50,320 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-11-18 19:09:50,540 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 41 [2018-11-18 19:09:50,869 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 16 [2018-11-18 19:09:51,031 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 42 [2018-11-18 19:09:51,474 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2018-11-18 19:09:51,626 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-11-18 19:09:51,731 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 16 [2018-11-18 19:09:51,964 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 49 [2018-11-18 19:09:52,184 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:09:52,186 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 19:09:52,193 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 19:09:52,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:09:52 ImpRootNode [2018-11-18 19:09:52,194 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:09:52,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:09:52,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:09:52,194 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:09:52,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:07:57" (3/4) ... [2018-11-18 19:09:52,198 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:09:52,214 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 19:09:52,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 19:09:52,216 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 19:09:52,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 19:09:52,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08822412-9865-4588-b4b2-a3f89bd2c106/bin-2019/ukojak/witness.graphml [2018-11-18 19:09:52,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:09:52,320 INFO L168 Benchmark]: Toolchain (without parser) took 117127.62 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 956.5 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 19:09:52,320 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:09:52,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.98 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 19:09:52,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:09:52,321 INFO L168 Benchmark]: Boogie Preprocessor took 42.84 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 19:09:52,321 INFO L168 Benchmark]: RCFGBuilder took 1616.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 881.5 MB in the end (delta: 244.6 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. [2018-11-18 19:09:52,321 INFO L168 Benchmark]: CodeCheck took 114856.97 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 881.5 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-11-18 19:09:52,321 INFO L168 Benchmark]: Witness Printer took 124.70 ms. Allocated memory is still 3.7 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:09:52,323 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, 228 locations, 1 error locations. SAFE Result, 106.9s OverallTime, 128 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1073875148 SDtfs, 1475788188 SDslu, 1930454624 SDs, 0 SdLazy, 790596104 SolverSat, 1105559744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 506.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149809 GetRequests, 145974 SyntacticMatches, 2607 SemanticMatches, 1228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127645 ImplicationChecksByTransitivity, 88.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 22557 NumberOfCodeBlocks, 22557 NumberOfCodeBlocksAsserted, 127 NumberOfCheckSat, 22430 ConstructedInterpolants, 0 QuantifiedInterpolants, 16507186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 127 InterpolantComputations, 101 PerfectInterpolantSequences, 18474/19241 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: 559]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || !(a19 == 1)) || !(a17 == 7)) || !(a28 == 9) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || !(a19 == 1)) || !(a17 == 7)) || !(a28 == 9) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.98 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.2 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 106.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.84 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 1616.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 881.5 MB in the end (delta: 244.6 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. * CodeCheck took 114856.97 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 881.5 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 124.70 ms. Allocated memory is still 3.7 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...