./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_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_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:02:47,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:02:47,774 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:02:47,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:02:47,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:02:47,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:02:47,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:02:47,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:02:47,784 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:02:47,784 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:02:47,785 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:02:47,785 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:02:47,786 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:02:47,786 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:02:47,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:02:47,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:02:47,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:02:47,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:02:47,790 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:02:47,791 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:02:47,792 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:02:47,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:02:47,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:02:47,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:02:47,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:02:47,795 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:02:47,796 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:02:47,796 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:02:47,797 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:02:47,797 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:02:47,797 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:02:47,798 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:02:47,798 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:02:47,798 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:02:47,799 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:02:47,799 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:02:47,799 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:02:47,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:02:47,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:02:47,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:02:47,808 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:02:47,808 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:02:47,808 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:02:47,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:02:47,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:02:47,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:02:47,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:02:47,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:02:47,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:02:47,810 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:02:47,810 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:02:47,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:02:47,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:02:47,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:02:47,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:02:47,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:02:47,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:02:47,811 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:02:47,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:02:47,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:02:47,812 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_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-11-18 13:02:47,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:02:47,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:02:47,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:02:47,848 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:02:47,849 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:02:47,849 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-18 13:02:47,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/data/e384c5532/b75da15a184c4fa0ab96876e71713c1c/FLAGd4fbb28cc [2018-11-18 13:02:48,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:02:48,357 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-18 13:02:48,366 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/data/e384c5532/b75da15a184c4fa0ab96876e71713c1c/FLAGd4fbb28cc [2018-11-18 13:02:48,396 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/data/e384c5532/b75da15a184c4fa0ab96876e71713c1c [2018-11-18 13:02:48,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:02:48,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:02:48,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:48,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:02:48,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:02:48,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48, skipping insertion in model container [2018-11-18 13:02:48,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:02:48,445 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:02:48,665 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:48,669 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:02:48,736 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:48,749 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:02:48,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48 WrapperNode [2018-11-18 13:02:48,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:48,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:02:48,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:02:48,750 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:02:48,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:02:48,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:02:48,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:02:48,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:02:48,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:02:48,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:02:48,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:02:48,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:02:48,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/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 13:02:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:02:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:02:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:02:50,370 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:02:50,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:50 BoogieIcfgContainer [2018-11-18 13:02:50,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:02:50,371 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:02:50,371 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:02:50,380 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:02:50,380 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:50" (1/1) ... [2018-11-18 13:02:50,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 13:02:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 13:02:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:02:50,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:50,681 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 13:02:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-11-18 13:02:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-11-18 13:02:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:02:51,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:02:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 222 states and 313 transitions. [2018-11-18 13:02:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 313 transitions. [2018-11-18 13:02:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:02:51,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 293 states and 388 transitions. [2018-11-18 13:02:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 388 transitions. [2018-11-18 13:02:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:02:52,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 301 states and 399 transitions. [2018-11-18 13:02:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 399 transitions. [2018-11-18 13:02:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:02:52,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 310 states and 412 transitions. [2018-11-18 13:02:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 412 transitions. [2018-11-18 13:02:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:02:52,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 318 states and 422 transitions. [2018-11-18 13:02:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 422 transitions. [2018-11-18 13:02:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:02:52,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 323 states and 427 transitions. [2018-11-18 13:02:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 427 transitions. [2018-11-18 13:02:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 13:02:52,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:02:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:53,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 328 states and 435 transitions. [2018-11-18 13:02:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2018-11-18 13:02:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 13:02:53,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:02:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 342 states and 452 transitions. [2018-11-18 13:02:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 452 transitions. [2018-11-18 13:02:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 13:02:53,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 352 states and 466 transitions. [2018-11-18 13:02:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 466 transitions. [2018-11-18 13:02:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 13:02:53,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 353 states and 468 transitions. [2018-11-18 13:02:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 468 transitions. [2018-11-18 13:02:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 13:02:54,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 368 states and 488 transitions. [2018-11-18 13:02:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 488 transitions. [2018-11-18 13:02:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 13:02:54,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 369 states and 490 transitions. [2018-11-18 13:02:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 490 transitions. [2018-11-18 13:02:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 13:02:54,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:54,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 373 states and 496 transitions. [2018-11-18 13:02:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 496 transitions. [2018-11-18 13:02:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 13:02:54,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 381 states and 507 transitions. [2018-11-18 13:02:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 507 transitions. [2018-11-18 13:02:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 13:02:55,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 404 states and 539 transitions. [2018-11-18 13:02:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 539 transitions. [2018-11-18 13:02:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 13:02:56,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:02:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-11-18 13:02:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-11-18 13:02:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 13:02:56,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 407 states and 542 transitions. [2018-11-18 13:02:56,407 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 542 transitions. [2018-11-18 13:02:56,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 13:02:56,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:02:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 421 states and 558 transitions. [2018-11-18 13:02:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 558 transitions. [2018-11-18 13:02:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 13:02:56,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:02:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 432 states and 569 transitions. [2018-11-18 13:02:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 569 transitions. [2018-11-18 13:02:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 13:02:56,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:02:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 433 states and 569 transitions. [2018-11-18 13:02:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 569 transitions. [2018-11-18 13:02:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 13:02:57,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:02:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 439 states and 577 transitions. [2018-11-18 13:02:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 577 transitions. [2018-11-18 13:02:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 13:02:57,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:02:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 454 states and 594 transitions. [2018-11-18 13:02:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 594 transitions. [2018-11-18 13:02:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 13:02:58,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 479 states and 626 transitions. [2018-11-18 13:02:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 626 transitions. [2018-11-18 13:02:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:02:58,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:02:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 484 states and 631 transitions. [2018-11-18 13:02:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 631 transitions. [2018-11-18 13:02:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:02:58,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:58,868 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:02:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 487 states and 634 transitions. [2018-11-18 13:02:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 634 transitions. [2018-11-18 13:02:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:02:58,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 494 states and 643 transitions. [2018-11-18 13:02:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 643 transitions. [2018-11-18 13:02:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:02:59,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:02:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 497 states and 647 transitions. [2018-11-18 13:02:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 647 transitions. [2018-11-18 13:02:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 13:02:59,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:02:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:02:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 499 states and 652 transitions. [2018-11-18 13:02:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 652 transitions. [2018-11-18 13:02:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 13:02:59,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:02:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 513 states and 671 transitions. [2018-11-18 13:03:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 671 transitions. [2018-11-18 13:03:00,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 13:03:00,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 517 states and 675 transitions. [2018-11-18 13:03:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 675 transitions. [2018-11-18 13:03:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 13:03:00,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 531 states and 693 transitions. [2018-11-18 13:03:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 693 transitions. [2018-11-18 13:03:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 13:03:00,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:00,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 540 states and 702 transitions. [2018-11-18 13:03:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 702 transitions. [2018-11-18 13:03:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 13:03:00,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:00,792 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 13:03:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 556 states and 722 transitions. [2018-11-18 13:03:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 722 transitions. [2018-11-18 13:03:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 13:03:01,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 582 states and 762 transitions. [2018-11-18 13:03:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 762 transitions. [2018-11-18 13:03:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 13:03:03,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:04,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 599 states and 784 transitions. [2018-11-18 13:03:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 784 transitions. [2018-11-18 13:03:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 13:03:04,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:03:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 608 states and 795 transitions. [2018-11-18 13:03:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 795 transitions. [2018-11-18 13:03:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 13:03:04,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 622 states and 812 transitions. [2018-11-18 13:03:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 812 transitions. [2018-11-18 13:03:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 13:03:05,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:03:06,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 639 states and 832 transitions. [2018-11-18 13:03:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 832 transitions. [2018-11-18 13:03:06,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 13:03:06,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:03:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 647 states and 840 transitions. [2018-11-18 13:03:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 840 transitions. [2018-11-18 13:03:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 13:03:06,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:03:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 654 states and 851 transitions. [2018-11-18 13:03:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 851 transitions. [2018-11-18 13:03:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 13:03:06,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:03:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 663 states and 860 transitions. [2018-11-18 13:03:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 860 transitions. [2018-11-18 13:03:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 13:03:07,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,103 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:03:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 664 states and 861 transitions. [2018-11-18 13:03:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 861 transitions. [2018-11-18 13:03:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 13:03:07,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:03:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 665 states and 863 transitions. [2018-11-18 13:03:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 863 transitions. [2018-11-18 13:03:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 13:03:07,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:03:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 667 states and 865 transitions. [2018-11-18 13:03:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 865 transitions. [2018-11-18 13:03:07,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:03:07,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 677 states and 883 transitions. [2018-11-18 13:03:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 883 transitions. [2018-11-18 13:03:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:03:08,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 694 states and 900 transitions. [2018-11-18 13:03:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 900 transitions. [2018-11-18 13:03:09,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:03:09,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 696 states and 902 transitions. [2018-11-18 13:03:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 902 transitions. [2018-11-18 13:03:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:03:09,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:03:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 699 states and 905 transitions. [2018-11-18 13:03:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 905 transitions. [2018-11-18 13:03:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 13:03:09,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 701 states and 907 transitions. [2018-11-18 13:03:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 907 transitions. [2018-11-18 13:03:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 13:03:10,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:03:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 704 states and 909 transitions. [2018-11-18 13:03:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 909 transitions. [2018-11-18 13:03:10,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:03:10,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:03:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 705 states and 910 transitions. [2018-11-18 13:03:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 910 transitions. [2018-11-18 13:03:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 13:03:10,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 750 states and 959 transitions. [2018-11-18 13:03:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 959 transitions. [2018-11-18 13:03:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 13:03:12,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:03:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 760 states and 974 transitions. [2018-11-18 13:03:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 974 transitions. [2018-11-18 13:03:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 13:03:12,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 794 states and 1010 transitions. [2018-11-18 13:03:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1010 transitions. [2018-11-18 13:03:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 13:03:13,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 815 states and 1035 transitions. [2018-11-18 13:03:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1035 transitions. [2018-11-18 13:03:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 13:03:14,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:03:15,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 825 states and 1046 transitions. [2018-11-18 13:03:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1046 transitions. [2018-11-18 13:03:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 13:03:15,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:03:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 826 states and 1046 transitions. [2018-11-18 13:03:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1046 transitions. [2018-11-18 13:03:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:03:15,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:03:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 831 states and 1052 transitions. [2018-11-18 13:03:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1052 transitions. [2018-11-18 13:03:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:03:15,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:03:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:16,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 841 states and 1068 transitions. [2018-11-18 13:03:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1068 transitions. [2018-11-18 13:03:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 13:03:16,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:03:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 887 states and 1118 transitions. [2018-11-18 13:03:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1118 transitions. [2018-11-18 13:03:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 13:03:18,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:03:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 901 states and 1136 transitions. [2018-11-18 13:03:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1136 transitions. [2018-11-18 13:03:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 13:03:18,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:03:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 915 states and 1157 transitions. [2018-11-18 13:03:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1157 transitions. [2018-11-18 13:03:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 13:03:20,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:20,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 932 states and 1176 transitions. [2018-11-18 13:03:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1176 transitions. [2018-11-18 13:03:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 13:03:20,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 951 states and 1199 transitions. [2018-11-18 13:03:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1199 transitions. [2018-11-18 13:03:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 13:03:20,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 13:03:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 953 states and 1209 transitions. [2018-11-18 13:03:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1209 transitions. [2018-11-18 13:03:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 13:03:20,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:03:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 970 states and 1227 transitions. [2018-11-18 13:03:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1227 transitions. [2018-11-18 13:03:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 13:03:20,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 13:03:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 974 states and 1230 transitions. [2018-11-18 13:03:21,057 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1230 transitions. [2018-11-18 13:03:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 13:03:21,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 986 states and 1242 transitions. [2018-11-18 13:03:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1242 transitions. [2018-11-18 13:03:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 13:03:21,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1001 states and 1268 transitions. [2018-11-18 13:03:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1268 transitions. [2018-11-18 13:03:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 13:03:22,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1011 states and 1281 transitions. [2018-11-18 13:03:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1281 transitions. [2018-11-18 13:03:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 13:03:23,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 13:03:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1015 states and 1285 transitions. [2018-11-18 13:03:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1285 transitions. [2018-11-18 13:03:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 13:03:23,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:24,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1041 states and 1314 transitions. [2018-11-18 13:03:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1314 transitions. [2018-11-18 13:03:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 13:03:24,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:24,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1042 states and 1314 transitions. [2018-11-18 13:03:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1314 transitions. [2018-11-18 13:03:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 13:03:24,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1051 states and 1320 transitions. [2018-11-18 13:03:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1320 transitions. [2018-11-18 13:03:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 13:03:25,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 13:03:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1060 states and 1329 transitions. [2018-11-18 13:03:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1329 transitions. [2018-11-18 13:03:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 13:03:25,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 13:03:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1168 states and 1445 transitions. [2018-11-18 13:03:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1445 transitions. [2018-11-18 13:03:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 13:03:27,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1193 states and 1472 transitions. [2018-11-18 13:03:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1472 transitions. [2018-11-18 13:03:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 13:03:29,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-18 13:03:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1194 states and 1472 transitions. [2018-11-18 13:03:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1472 transitions. [2018-11-18 13:03:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 13:03:29,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-18 13:03:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1195 states and 1472 transitions. [2018-11-18 13:03:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1472 transitions. [2018-11-18 13:03:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 13:03:29,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-18 13:03:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1196 states and 1472 transitions. [2018-11-18 13:03:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1472 transitions. [2018-11-18 13:03:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 13:03:30,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1265 states and 1551 transitions. [2018-11-18 13:03:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1551 transitions. [2018-11-18 13:03:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 13:03:31,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1296 states and 1582 transitions. [2018-11-18 13:03:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1582 transitions. [2018-11-18 13:03:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 13:03:33,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1315 states and 1600 transitions. [2018-11-18 13:03:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1600 transitions. [2018-11-18 13:03:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 13:03:33,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 13:03:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:34,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1341 states and 1631 transitions. [2018-11-18 13:03:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1631 transitions. [2018-11-18 13:03:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 13:03:34,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 13:03:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1352 states and 1641 transitions. [2018-11-18 13:03:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1641 transitions. [2018-11-18 13:03:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 13:03:34,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 13:03:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1359 states and 1647 transitions. [2018-11-18 13:03:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1647 transitions. [2018-11-18 13:03:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 13:03:35,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 13:03:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1365 states and 1652 transitions. [2018-11-18 13:03:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1652 transitions. [2018-11-18 13:03:35,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 13:03:35,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 13:03:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1369 states and 1655 transitions. [2018-11-18 13:03:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1655 transitions. [2018-11-18 13:03:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 13:03:35,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 13:03:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:35,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1374 states and 1663 transitions. [2018-11-18 13:03:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1663 transitions. [2018-11-18 13:03:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 13:03:35,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 13:03:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1378 states and 1666 transitions. [2018-11-18 13:03:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1666 transitions. [2018-11-18 13:03:36,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 13:03:36,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 13:03:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1383 states and 1670 transitions. [2018-11-18 13:03:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1670 transitions. [2018-11-18 13:03:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 13:03:36,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 13:03:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1389 states and 1678 transitions. [2018-11-18 13:03:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1678 transitions. [2018-11-18 13:03:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:37,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 13:03:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1392 states and 1680 transitions. [2018-11-18 13:03:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1680 transitions. [2018-11-18 13:03:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:37,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 13:03:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1409 states and 1704 transitions. [2018-11-18 13:03:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1704 transitions. [2018-11-18 13:03:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:38,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 13:03:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1415 states and 1710 transitions. [2018-11-18 13:03:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1710 transitions. [2018-11-18 13:03:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:38,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1485 states and 1797 transitions. [2018-11-18 13:03:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1797 transitions. [2018-11-18 13:03:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:43,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1524 states and 1842 transitions. [2018-11-18 13:03:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1842 transitions. [2018-11-18 13:03:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:44,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1541 states and 1858 transitions. [2018-11-18 13:03:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1858 transitions. [2018-11-18 13:03:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:44,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1542 states and 1858 transitions. [2018-11-18 13:03:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1858 transitions. [2018-11-18 13:03:45,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:45,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1551 states and 1868 transitions. [2018-11-18 13:03:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1868 transitions. [2018-11-18 13:03:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:03:46,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1556 states and 1872 transitions. [2018-11-18 13:03:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1872 transitions. [2018-11-18 13:03:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 13:03:46,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 13:03:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1576 states and 1890 transitions. [2018-11-18 13:03:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1890 transitions. [2018-11-18 13:03:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 13:03:47,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 225 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 13:03:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1585 states and 1899 transitions. [2018-11-18 13:03:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1899 transitions. [2018-11-18 13:03:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 13:03:48,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 225 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 13:03:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1590 states and 1903 transitions. [2018-11-18 13:03:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1903 transitions. [2018-11-18 13:03:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 13:03:48,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 13:03:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1592 states and 1905 transitions. [2018-11-18 13:03:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1905 transitions. [2018-11-18 13:03:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 13:03:48,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 13:03:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1597 states and 1917 transitions. [2018-11-18 13:03:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1917 transitions. [2018-11-18 13:03:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:03:49,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:52,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1665 states and 1992 transitions. [2018-11-18 13:03:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 1992 transitions. [2018-11-18 13:03:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:03:52,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:03:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1672 states and 1997 transitions. [2018-11-18 13:03:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1997 transitions. [2018-11-18 13:03:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:03:53,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 13:03:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1676 states and 2001 transitions. [2018-11-18 13:03:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2001 transitions. [2018-11-18 13:03:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:03:53,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 13:03:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:03:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1682 states and 2005 transitions. [2018-11-18 13:03:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2005 transitions. [2018-11-18 13:03:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:03:54,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:03:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 258 proven. 70 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 13:04:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1752 states and 2096 transitions. [2018-11-18 13:04:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2096 transitions. [2018-11-18 13:04:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:04:00,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 258 proven. 70 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 13:04:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1760 states and 2103 transitions. [2018-11-18 13:04:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2103 transitions. [2018-11-18 13:04:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 13:04:02,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 218 proven. 11 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 13:04:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1779 states and 2129 transitions. [2018-11-18 13:04:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2129 transitions. [2018-11-18 13:04:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 13:04:04,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1798 states and 2151 transitions. [2018-11-18 13:04:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2151 transitions. [2018-11-18 13:04:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 13:04:06,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 13:04:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1800 states and 2153 transitions. [2018-11-18 13:04:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2153 transitions. [2018-11-18 13:04:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 13:04:06,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-18 13:04:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1869 states and 2231 transitions. [2018-11-18 13:04:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2231 transitions. [2018-11-18 13:04:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:10,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1934 states and 2312 transitions. [2018-11-18 13:04:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2312 transitions. [2018-11-18 13:04:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:15,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 1968 states and 2357 transitions. [2018-11-18 13:04:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2357 transitions. [2018-11-18 13:04:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:17,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 1994 states and 2383 transitions. [2018-11-18 13:04:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2383 transitions. [2018-11-18 13:04:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:20,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2010 states and 2399 transitions. [2018-11-18 13:04:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2399 transitions. [2018-11-18 13:04:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:21,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2021 states and 2411 transitions. [2018-11-18 13:04:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2411 transitions. [2018-11-18 13:04:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:22,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2023 states and 2415 transitions. [2018-11-18 13:04:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2415 transitions. [2018-11-18 13:04:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:22,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:23,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2038 states and 2429 transitions. [2018-11-18 13:04:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2429 transitions. [2018-11-18 13:04:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:23,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2039 states and 2430 transitions. [2018-11-18 13:04:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2430 transitions. [2018-11-18 13:04:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:25,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2053 states and 2444 transitions. [2018-11-18 13:04:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2444 transitions. [2018-11-18 13:04:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 13:04:26,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-18 13:04:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2101 states and 2497 transitions. [2018-11-18 13:04:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2497 transitions. [2018-11-18 13:04:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 13:04:30,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-18 13:04:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2104 states and 2501 transitions. [2018-11-18 13:04:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2501 transitions. [2018-11-18 13:04:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 13:04:30,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:04:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2134 states and 2535 transitions. [2018-11-18 13:04:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2535 transitions. [2018-11-18 13:04:36,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 13:04:36,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:04:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2157 states and 2557 transitions. [2018-11-18 13:04:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2557 transitions. [2018-11-18 13:04:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 13:04:38,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:04:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2158 states and 2560 transitions. [2018-11-18 13:04:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2560 transitions. [2018-11-18 13:04:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 13:04:41,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:04:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2167 states and 2571 transitions. [2018-11-18 13:04:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2571 transitions. [2018-11-18 13:04:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 13:04:42,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:04:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2210 states and 2614 transitions. [2018-11-18 13:04:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2614 transitions. [2018-11-18 13:04:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 13:04:45,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2246 states and 2655 transitions. [2018-11-18 13:04:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2655 transitions. [2018-11-18 13:04:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 13:04:49,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2261 states and 2676 transitions. [2018-11-18 13:04:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2676 transitions. [2018-11-18 13:04:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 13:04:52,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2265 states and 2682 transitions. [2018-11-18 13:04:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2682 transitions. [2018-11-18 13:04:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 13:04:53,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:53,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2269 states and 2686 transitions. [2018-11-18 13:04:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2686 transitions. [2018-11-18 13:04:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 13:04:53,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 13:04:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2271 states and 2688 transitions. [2018-11-18 13:04:54,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2688 transitions. [2018-11-18 13:04:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 13:04:54,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 13:04:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2286 states and 2702 transitions. [2018-11-18 13:04:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2702 transitions. [2018-11-18 13:04:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 13:04:54,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 13:04:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2287 states and 2702 transitions. [2018-11-18 13:04:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2702 transitions. [2018-11-18 13:04:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 13:04:55,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 13:04:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2288 states and 2702 transitions. [2018-11-18 13:04:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2702 transitions. [2018-11-18 13:04:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 13:04:55,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 489 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:04:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:04:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2312 states and 2731 transitions. [2018-11-18 13:04:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2731 transitions. [2018-11-18 13:04:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 13:04:59,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:04:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:04:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 13:05:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2354 states and 2793 transitions. [2018-11-18 13:05:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2793 transitions. [2018-11-18 13:05:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 13:05:05,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 13:05:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2362 states and 2799 transitions. [2018-11-18 13:05:06,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2799 transitions. [2018-11-18 13:05:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 13:05:06,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 13:05:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2376 states and 2816 transitions. [2018-11-18 13:05:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2816 transitions. [2018-11-18 13:05:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 13:05:07,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 13:05:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2378 states and 2816 transitions. [2018-11-18 13:05:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2816 transitions. [2018-11-18 13:05:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 13:05:08,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 13:05:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2401 states and 2837 transitions. [2018-11-18 13:05:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2837 transitions. [2018-11-18 13:05:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 13:05:09,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 13:05:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2500 states and 2962 transitions. [2018-11-18 13:05:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2962 transitions. [2018-11-18 13:05:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 13:05:24,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 13:05:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2555 states and 3024 transitions. [2018-11-18 13:05:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3024 transitions. [2018-11-18 13:05:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 13:05:29,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:05:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 2566 states and 3036 transitions. [2018-11-18 13:05:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3036 transitions. [2018-11-18 13:05:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 13:05:31,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:05:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 2600 states and 3073 transitions. [2018-11-18 13:05:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3073 transitions. [2018-11-18 13:05:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 13:05:37,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 13:05:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2671 states and 3145 transitions. [2018-11-18 13:05:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3145 transitions. [2018-11-18 13:05:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 13:05:39,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:05:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:05:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 13:05:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:05:42,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2520 states and 2983 transitions. [2018-11-18 13:05:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2983 transitions. [2018-11-18 13:05:42,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:05:42,157 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 154 iterations. [2018-11-18 13:05:42,164 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:05:42,334 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2018-11-18 13:05:42,493 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2018-11-18 13:05:42,633 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 13:05:42,784 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-18 13:05:42,894 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2018-11-18 13:05:43,031 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2018-11-18 13:05:43,133 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2018-11-18 13:05:43,294 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 36 [2018-11-18 13:05:43,433 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 13:05:43,761 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 47 [2018-11-18 13:05:43,904 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 13:05:44,106 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2018-11-18 13:05:44,258 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-11-18 13:05:44,492 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 47 [2018-11-18 13:05:44,695 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-11-18 13:05:44,850 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2018-11-18 13:05:45,094 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-11-18 13:05:45,279 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-18 13:05:45,471 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-18 13:05:45,591 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-11-18 13:05:45,712 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-11-18 13:05:45,918 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2018-11-18 13:05:46,076 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2018-11-18 13:05:46,295 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-11-18 13:05:46,565 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-18 13:05:46,739 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 13:05:47,029 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-11-18 13:05:47,242 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 47 [2018-11-18 13:05:47,417 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-18 13:05:47,781 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 46 [2018-11-18 13:05:47,958 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-18 13:05:48,166 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-11-18 13:05:48,353 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2018-11-18 13:05:48,508 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-11-18 13:05:48,718 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 52 [2018-11-18 13:05:48,915 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-18 13:05:49,055 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-18 13:05:49,188 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2018-11-18 13:05:49,327 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-11-18 13:05:49,440 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-11-18 13:05:49,617 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 47 [2018-11-18 13:05:49,742 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 36 [2018-11-18 13:05:49,742 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:05:49,744 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 13:05:49,749 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 13:05:49,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:05:49 ImpRootNode [2018-11-18 13:05:49,750 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:05:49,751 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:05:49,751 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:05:49,751 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:05:49,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:50" (3/4) ... [2018-11-18 13:05:49,754 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:05:49,768 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 13:05:49,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 13:05:49,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 13:05:49,770 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:05:49,845 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_86daf7bd-7ea5-4b22-9ea0-4c736450eba9/bin-2019/ukojak/witness.graphml [2018-11-18 13:05:49,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:05:49,846 INFO L168 Benchmark]: Toolchain (without parser) took 181447.88 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 956.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,846 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:05:49,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,847 INFO L168 Benchmark]: Boogie Preprocessor took 44.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,847 INFO L168 Benchmark]: RCFGBuilder took 1478.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 882.0 MB in the end (delta: 237.1 MB). Peak memory consumption was 237.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,847 INFO L168 Benchmark]: CodeCheck took 179379.09 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 882.0 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,848 INFO L168 Benchmark]: Witness Printer took 94.65 ms. Allocated memory is still 4.5 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:05:49,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 171.7s OverallTime, 154 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 71840076 SDtfs, 472308394 SDslu, 531209794 SDs, 0 SdLazy, -1563416996 SolverSat, 1552989632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 484.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192169 GetRequests, 185573 SyntacticMatches, 4870 SemanticMatches, 1726 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2234761 ImplicationChecksByTransitivity, 150.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 23.3s InterpolantComputationTime, 29862 NumberOfCodeBlocks, 29862 NumberOfCodeBlocksAsserted, 153 NumberOfCheckSat, 29709 ConstructedInterpolants, 0 QuantifiedInterpolants, 38005768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 153 InterpolantComputations, 109 PerfectInterpolantSequences, 34661/36467 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: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a17 == 1)) || a8 == 15) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || a8 == 15) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1478.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 882.0 MB in the end (delta: 237.1 MB). Peak memory consumption was 237.1 MB. Max. memory is 11.5 GB. * CodeCheck took 179379.09 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 882.0 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 94.65 ms. Allocated memory is still 4.5 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...